| Year |
Citation |
Score |
| 2023 |
Ragassi G, Dourado AHB, Varela H. The oscillatory electro-oxidation of 2-propanol on platinum: the effect of temperature and addition of methanol. Physical Chemistry Chemical Physics : Pccp. 25: 32345-32355. PMID 37901945 DOI: 10.1039/d3cp03995a |
0.389 |
|
| 2020 |
Rodrigues CDS, Dos Santos CGP, de Miranda RCC, Parma E, Varela H, Nagao R. A numerical investigation of the effect of external resistance and applied potential on the distribution of periodicity and chaos in the anodic dissolution of nickel. Physical Chemistry Chemical Physics : Pccp. PMID 32966443 DOI: 10.1039/D0Cp04238B |
0.605 |
|
| 2020 |
Freire JG, Calderón-Cárdenas A, Varela H, Gallas JAC. Phase diagrams and dynamical evolution of the triple-pathway electro-oxidation of formic acid on platinum. Physical Chemistry Chemical Physics : Pccp. PMID 31894215 DOI: 10.1039/C9Cp04324A |
0.441 |
|
| 2020 |
Puppin LG, Khalid M, Silva GTTd, Ribeiro C, Varela H, Lopes OF. Electrochemical reduction of CO2 to formic acid on Bi2O2CO3/carbon fiber electrodes Journal of Materials Research. 35: 272-280. DOI: 10.1557/Jmr.2020.16 |
0.717 |
|
| 2020 |
Romano RL, Oliveira MG, Varela H. The Impact of Water Concentration on the Electro-Oxidation of Methanol on Platinum Journal of the Electrochemical Society. 167: 46506. DOI: 10.1149/1945-7111/Ab75C7 |
0.351 |
|
| 2020 |
Khalid M, Honorato AMB, Filho GT, Varela H. Trifunctional catalytic activities of trimetallic FeCoNi alloy nanoparticles embedded in a carbon shell for efficient overall water splitting Journal of Materials Chemistry. 8: 9021-9031. DOI: 10.1039/C9Ta13637A |
0.324 |
|
| 2020 |
Del Colle V, Perroni PB, Feliu JM, Tremiliosi-Filho G, Varela H. The Role of Surface Sites on the Oscillatory Oxidation of Methanol on Stepped Pt[n(111) × (110)] Electrodes The Journal of Physical Chemistry C. 124: 10993-11004. DOI: 10.1021/Acs.Jpcc.0C01897 |
0.577 |
|
| 2020 |
Nogueira JA, Varela H. Direct Liquid Fuel Cells – The Influence of Temperature and Dynamic Instabilities Energy & Fuels. DOI: 10.1021/Acs.Energyfuels.0C02491 |
0.348 |
|
| 2020 |
Khalid M, Paul R, Honorato AMB, Varela H. Pinus nigra pine derived hierarchical carbon foam for high performance supercapacitors Journal of Electroanalytical Chemistry. 863: 114053. DOI: 10.1016/J.Jelechem.2020.114053 |
0.327 |
|
| 2020 |
Araújo KCdF, Silva DRd, Santos EVd, Varela H, Martínez-Huitle CA. Investigation of persulfate production on BDD anode by understanding the impact of water concentration Journal of Electroanalytical Chemistry. 860: 113927. DOI: 10.1016/J.Jelechem.2020.113927 |
0.396 |
|
| 2020 |
Colle VD, Varela H, Tremiliosi-Filho G. Electrocatalytic oxidation of small organic molecules on well-defined Pt single-crystal surfaces with controlled density of electrochemically generated defects Current Opinion in Electrochemistry. 23: 123-130. DOI: 10.1016/J.Coelec.2020.06.010 |
0.366 |
|
| 2020 |
Perini N, Delmonde MVF, Ranjan C, Varela H. Mechanistic aspects of the comparative oscillatory electrochemical oxidation of formic acid and methanol on platinum electrode Journal of Solid State Electrochemistry. 24: 1811-1818. DOI: 10.1007/S10008-020-04609-Y |
0.511 |
|
| 2019 |
Nogueira JA, Krischer K, Varela H. Coupled dynamics of anode and cathode in PEM fuel cells. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. PMID 31322819 DOI: 10.1002/Cphc.201900531 |
0.573 |
|
| 2019 |
Dourado AHB, Munhos RL, Silva NA, Colle VD, Carvalho GGA, Oliveira PV, Arenz M, Varela H, Torresi SICd. Opportunities and Knowledge Gaps of SO 2 Electrocatalytic Oxidation for H 2 Electrochemical Generation Acs Catalysis. 9: 8136-8143. DOI: 10.1021/Acscatal.9B01336 |
0.452 |
|
| 2019 |
Stempien Z, Khalid M, Kozicki M, Kozanecki M, Varela H, Filipczak P, Pawlak R, Korzeniewska E, Sąsiadek E. In-situ deposition of reduced graphene oxide layers on textile surfaces by the reactive inkjet printing technique and their use in supercapacitor applications Synthetic Metals. 256: 116144. DOI: 10.1016/J.Synthmet.2019.116144 |
0.322 |
|
| 2019 |
Khalid M, Hassan A, Honorato AM, Crespilho FN, Varela H. 8-Hydroxyquinoline-5-sulfonic acid on reduced graphene oxide layers as a metal-free electrode material for supercapacitor applications Journal of Electroanalytical Chemistry. 847: 113193. DOI: 10.1016/J.Jelechem.2019.113193 |
0.36 |
|
| 2019 |
Tripković DV, Popović KD, Jovanović VM, Nogueira JA, Varela H, Lopes PP, Strmcnik D, Stamenkovic VR, Markovic NM. Tuning of catalytic properties for electrooxidation of small organic molecules on Pt-based thin films via controlled thermal treatment Journal of Catalysis. 371: 96-105. DOI: 10.1016/J.Jcat.2019.01.038 |
0.36 |
|
| 2019 |
Silva MF, Delmonde MV, Batista BC, Boscheto E, Varela H, Camara GA. Oscillatory electro-oxidation of ethanol on platinum studied by in situ ATR-SEIRAS Electrochimica Acta. 293: 166-173. DOI: 10.1016/J.Electacta.2018.10.019 |
0.755 |
|
| 2019 |
Calderón-Cárdenas A, Hartl FW, Gallas JAC, Varela H. Modeling the triple-path electro-oxidation of formic acid on platinum: Cyclic voltammetry and oscillations Catalysis Today. DOI: 10.1016/J.Cattod.2019.04.054 |
0.472 |
|
| 2018 |
Khalid M, Hassan A, Honorato AMB, Crespilho FN, Varela H. Nano-flocks of a bimetallic organic framework for efficient hydrogen evolution electrocatalysis. Chemical Communications (Cambridge, England). PMID 30221275 DOI: 10.1039/C8Cc06918B |
0.335 |
|
| 2018 |
Previdello BAF, Fernández PS, Tremiliosi-Filho G, Varela H. Probing the surface fine structure through electrochemical oscillations. Physical Chemistry Chemical Physics : Pccp. PMID 29424846 DOI: 10.1039/C7Cp08028J |
0.435 |
|
| 2018 |
Khalid M, Honorato AMB, Ticianelli EA, Varela H. Uniformly self-decorated Co3O4 nanoparticles on N, S co-doped carbon layers derived from a camphor sulfonic acid and metal–organic framework hybrid as an oxygen evolution electrocatalyst Journal of Materials Chemistry. 6: 12106-12114. DOI: 10.1039/C8Ta02926A |
0.339 |
|
| 2018 |
Khalid M, Varela H. A general potentiodynamic approach for red phosphorus and sulfur nanodot incorporation on reduced graphene oxide sheets: metal-free and binder-free electrodes for supercapacitor and hydrogen evolution activities Journal of Materials Chemistry. 6: 3141-3150. DOI: 10.1039/C7Ta11342K |
0.371 |
|
| 2018 |
Dourado AHB, Munhos RL, Varela H, Torresi SICD, Arenz M. Influence of the Electrode and Chaotropicity of the Electrolyte on the Oscillatory Behavior of the Electrocatalytic Oxidation of SO2 Journal of Physical Chemistry C. 122: 1243. DOI: 10.1021/Acs.Jpcc.7B11460 |
0.482 |
|
| 2018 |
Khalid M, Honorato AM, Varela H, Dai L. Multifunctional electrocatalysts derived from conducting polymer and metal organic framework complexes Nano Energy. 45: 127-135. DOI: 10.1016/J.Nanoen.2017.12.045 |
0.353 |
|
| 2018 |
Melle GB, Hartl FW, Varela H, Sitta E. The effect of solution pH on the oscillatory electro-oxidation of methanol Journal of Electroanalytical Chemistry. 826: 164-169. DOI: 10.1016/J.Jelechem.2018.08.033 |
0.724 |
|
| 2018 |
Lopes OF, Varela H. Effect of Annealing Treatment on Electrocatalytic Properties of Copper Electrodes toward Enhanced CO2
Reduction Chemistryselect. 3: 9046-9055. DOI: 10.1002/SLCT.201802102 |
0.679 |
|
| 2017 |
Nogueira JA, Varela H. Voltage Oscillations in a Polymer Electrolyte Membrane Fuel Cell with Pd-Pt/C and Pd/C Anodes. Chemistryopen. 6: 629-636. PMID 29046857 DOI: 10.1002/Open.201700098 |
0.412 |
|
| 2017 |
Machado EG, Delmonde MVF, Varela H. Spectrometric Evidence of the Synergy between Formic Acid and Hydrazine on Their Electro-Oxidation Journal of the Electrochemical Society. 164. DOI: 10.1149/2.1291709Jes |
0.386 |
|
| 2017 |
Ferreira GCA, Napporn TW, Kokoh KB, Varela H. Complex Oscillatory Kinetics in the Electro-Oxidation of Glucose on Gold Journal of the Electrochemical Society. 164. DOI: 10.1149/2.072179Jes |
0.353 |
|
| 2017 |
Hartl FW, Zulke AAA, Fonte BJ, Varela H. Temperature dependence of the evolving oscillations along the electrocatalytic oxidation of methanol Journal of Electroanalytical Chemistry. 800: 99-105. DOI: 10.1016/J.Jelechem.2016.11.032 |
0.462 |
|
| 2017 |
Cabello G, Davoglio RA, Hartl FW, Marco JF, Pereira EC, Biaggio SR, Varela H, Cuesta A. Microwave-Assisted Synthesis of Pt-Au Nanoparticles with Enhanced Electrocatalytic Activity for the Oxidation of Formic Acid Electrochimica Acta. 224: 56-63. DOI: 10.1016/J.Electacta.2016.12.022 |
0.398 |
|
| 2017 |
Monteiro EV, Varela H, Faria RB. The effect of flow rate on the oscillatory activation energy of an oscillating reaction Chemical Physics Letters. 684: 219-224. DOI: 10.1016/J.Cplett.2017.06.059 |
0.313 |
|
| 2016 |
Zülke AA, Varela H. The effect of temperature on the coupled slow and fast dynamics of an electrochemical oscillator. Scientific Reports. 6: 24553. PMID 27079514 DOI: 10.1038/Srep24553 |
0.39 |
|
| 2016 |
Nagao R, Varela H. Padrões de Turing em sistemas químicos QuíMica Nova. 39: 474-485. DOI: 10.5935/0100-4042.20160026 |
0.564 |
|
| 2016 |
Machado EG, Varela H. Complex dynamics in the electro-oxidation of formic acid assisted by hydrazine in acidic media Journal of the Electrochemical Society. 163: H186-H191. DOI: 10.1149/2.0671603Jes |
0.352 |
|
| 2016 |
Delmonde MVF, Sallum LF, Perini N, Gonzalez ER, Schlögl R, Varela H. Electrocatalytic Efficiency of the Oxidation of Small Organic Molecules under Oscillatory Regime The Journal of Physical Chemistry C. 120: 22365-22374. DOI: 10.1021/Acs.Jpcc.6B06692 |
0.492 |
|
| 2016 |
Nogueira JA, Arias IKP, Hanke-Rauschenbach R, Vidakovic-Koch T, Varela H, Sundmacher K. Autonomous Voltage Oscillations in a Direct Methanol Fuel Cell Electrochimica Acta. 212: 545-552. DOI: 10.1016/J.Electacta.2016.07.050 |
0.395 |
|
| 2016 |
Previdello BAF, Fernández PS, Tremiliosi-Filho G, Varela H. Oscillatory Electro-oxidation of Methanol on Platinum Single Crystal Electrodes Electrocatalysis. 7: 276-279. DOI: 10.1007/S12678-016-0317-Y |
0.397 |
|
| 2015 |
Zimer AM, Medina da Silva M, Machado EG, Varela H, Mascaro LH, Pereira EC. Development of a versatile rotating ring-disc electrode for in situ pH measurements. Analytica Chimica Acta. 897: 17-23. PMID 26515001 DOI: 10.1016/J.Aca.2015.09.047 |
0.329 |
|
| 2015 |
Nagao R, Nascimento MA, Varela H. Electrochemical setup for a multichannel data acquisition system with spatiotemporal resolution | Aparato eletroquímico para sistema de aquisição de dados multicanal com resolução espaço-temporal aparato eletroquímico para sistema de aquisição de dados multicanal com resolução espaço-temporal Quimica Nova. 38: 136-143. DOI: 10.5935/0100-4042.20140281 |
0.724 |
|
| 2015 |
Sitta E, Nagao R, Kiss IZ, Varela H. Impact of the alkali cation on the oscillatory electro-oxidation of ethylene glycol on platinum Journal of Physical Chemistry C. 119: 1464-1472. DOI: 10.1021/Jp5105505 |
0.816 |
|
| 2015 |
Nagao R, Freitas RG, Silva CD, Varela H, Pereira EC. Oscillatory electro-oxidation of methanol on nanoarchitectured Ptpc/Rh/Pt metallic multilayer Acs Catalysis. 5: 1045-1052. DOI: 10.1021/Cs501652U |
0.653 |
|
| 2015 |
Nascimento MA, Varela H, Gallas JAC. Periodicity hubs and spirals in an electrochemical oscillator Journal of Solid State Electrochemistry. DOI: 10.1007/S10008-015-2800-4 |
0.65 |
|
| 2014 |
Nascimento MA, Nagao R, Eiswirth M, Varela H. Coupled slow and fast surface dynamics in an electrocatalytic oscillator: model and simulations. The Journal of Chemical Physics. 141: 234701. PMID 25527951 DOI: 10.1063/1.4903172 |
0.785 |
|
| 2014 |
Perini N, Batista BC, Angelo AC, Epstein IR, Varela H. Long-lasting oscillations in the electro-oxidation of formic acid on PtSn intermetallic surfaces. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. 15: 1753-60. PMID 24789345 DOI: 10.1002/Cphc.201301186 |
0.804 |
|
| 2014 |
Machado EG, Varela H. Oscillatory instabilities in the electrooxidation of borohydride on platinum Journal of the Brazilian Chemical Society. 25: 442-447. DOI: 10.5935/0103-5053.20130243 |
0.389 |
|
| 2014 |
Nascimento MA, Nagao R, Eiswirth M, Varela H. Coupled slow and fast surface dynamics in an electrocatalytic oscillator: Model and simulations Journal of Chemical Physics. 141. DOI: 10.1063/1.4903172 |
0.752 |
|
| 2014 |
Nogueira PA, Batista BC, Faria RB, Varela H. The effect of temperature on the dynamics of a homogeneous oscillatory system operated in batch and under flow Rsc Advances. 4: 30412-30421. DOI: 10.1039/C4Ra03539A |
0.776 |
|
| 2014 |
Previdello BAF, Machado EG, Varela H. The effect of the alkali metal cation on the electrocatalytic oxidation of formate on platinum Rsc Advances. 4: 15271-15275. DOI: 10.1039/C4Ra00769G |
0.395 |
|
| 2014 |
Delmonde MVF, Nascimento MA, Nagao R, Cantane DA, Lima FHB, Varela H. Production of volatile species during the oscillatory electro-oxidation of small organic molecules Journal of Physical Chemistry C. 118: 17699-17709. DOI: 10.1021/Jp5044915 |
0.738 |
|
| 2014 |
Bi W, He Y, Cabral MF, Varela H, Yang J, Jiang R, Gao Q. Oscillatory electro-oxidation of thiosulfate on gold Electrochimica Acta. 133: 308-315. DOI: 10.1016/J.Electacta.2014.04.055 |
0.475 |
|
| 2014 |
Perini N, Batista BC, Angelo ACD, Epstein IR, Varela H. Cover Picture: Long-Lasting Oscillations in the Electro-Oxidation of Formic Acid on PtSn Intermetallic Surfaces (ChemPhysChem 9/2014) Chemphyschem. 15: 1713-1713. DOI: 10.1002/Cphc.201490040 |
0.787 |
|
| 2014 |
Perini N, Batista BC, Angelo ACD, Epstein IR, Varela H. Long-lasting oscillations in the electro-oxidation of formic acid on PtSn intermetallic surfaces Chemphyschem. 15: 1753-1760. DOI: 10.1002/cphc.201301186 |
0.777 |
|
| 2013 |
Sitta E, Nagao R, Varela H. The Electro-Oxidation of Ethylene Glycol on Platinum over a Wide pH Range: Oscillations and Temperature Effects Plos One. 8. PMID 24058650 DOI: 10.1371/Journal.Pone.0075086 |
0.771 |
|
| 2013 |
Cabral MF, Nagao R, Sitta E, Eiswirth M, Varela H. Mechanistic aspects of the linear stabilization of non-stationary electrochemical oscillations. Physical Chemistry Chemical Physics : Pccp. 15: 1437-42. PMID 23165655 DOI: 10.1039/C2Cp42890C |
0.822 |
|
| 2013 |
Cabral MF, Nagao R, Sitta E, Eiswirth M, Varela H. Mechanistic aspects of the linear stabilization of non-stationary electrochemical oscillations Physical Chemistry Chemical Physics. 15: 1437-1442. DOI: 10.1039/c2cp42890c |
0.788 |
|
| 2013 |
Nagao R, Cantane DA, Lima FHB, Varela H. Influence of anion adsorption on the parallel reaction pathways in the oscillatory electro-oxidation of methanol Journal of Physical Chemistry C. 117: 15098-15105. DOI: 10.1021/Jp4028047 |
0.622 |
|
| 2013 |
Santos AL, Nagao R, Oliveira CP, de Lima RB, Varela H. Reprint of: Reply to the "Comment on the paper 'The role of HBF4 in electro-catalysis: Arsenic contamination and anion adsorption' by A.L. Santos, R. Nagao, C.P. Oliveira, R.B. de Lima, H. Varela [J. Electroanal. Chem. 660 (2011) 147-152]" Journal of Electroanalytical Chemistry. DOI: 10.1016/J.Jelechem.2012.09.031 |
0.506 |
|
| 2013 |
Yang J, Song Y, Varela H, Epstein IR, Bi W, Yu H, Zhao Y, Gao Q. The effect of chloride on spatiotemporal dynamics in the electro-oxidation of sulfide on platinum Electrochimica Acta. 98: 116-122. DOI: 10.1016/J.Electacta.2013.03.042 |
0.614 |
|
| 2013 |
Angelucci CA, Varela H, Tremiliosi-Filho G, Gomes JF. The significance of non-covalent interactions on the electro-oxidation of alcohols on Pt and Au in alkaline media Electrochemistry Communications. 33: 10-13. DOI: 10.1016/J.Elecom.2013.03.039 |
0.397 |
|
| 2013 |
Gong S, Tang X, Zheng J, Nascimento MA, Varela H, Zhao Y, Gao Q. Amplitude-modulated spiral waves arising from a secondary Hopf bifurcation in mixed-mode oscillatory media Chemical Physics Letters. 567: 55-59. DOI: 10.1016/J.Cplett.2013.02.042 |
0.577 |
|
| 2013 |
Nogueira PA, Faria RB, Varela H. On the failure of sustained oscillations in the bromate/hypophosphite- acetone/dual catalyst flow system Chemical Physics Letters. 557: 191-193. DOI: 10.1016/J.Cplett.2012.12.029 |
0.609 |
|
| 2013 |
Perini N, Sitta E, Angelo ACD, Varela H. Electrocatalytic activity under oscillatory regime: The electro-oxidation of formic acid on ordered Pt3Sn intermetallic phase Catalysis Communications. 30: 23-26. DOI: 10.1016/J.Catcom.2012.10.019 |
0.787 |
|
| 2013 |
Lopes PP, Batista BC, Saglietti GA, Varela H, Ticianelli EA. Real-time determination of CO2 production and estimation of adsorbate coverage on a proton exchange membrane fuel cell under oscillatory operation Journal of Solid State Electrochemistry. 17: 1851-1859. DOI: 10.1007/S10008-013-2048-9 |
0.73 |
|
| 2012 |
Varela H. Spatiotemporal Pattern Formation during Electrochemical Oxidation of Hydrogen on Platinum. Chemistryopen. 1: 165-8. PMID 24551505 DOI: 10.1002/Open.201200017 |
0.434 |
|
| 2012 |
Ferreira GC, Batista BC, Varela H. Experimental assessment of the sensitiveness of an electrochemical oscillator towards chemical perturbations. Plos One. 7: e50145. PMID 23185559 DOI: 10.1371/Journal.Pone.0050145 |
0.772 |
|
| 2012 |
Nagao R, Cantane DA, Lima FH, Varela H. The dual pathway in action: decoupling parallel routes for CO2 production during the oscillatory electro-oxidation of methanol. Physical Chemistry Chemical Physics : Pccp. 14: 8294-8. PMID 22395562 DOI: 10.1039/C2Cp00037G |
0.628 |
|
| 2012 |
Silva MF, Batista BC, Boscheto E, Varela H, Camara GA. Electrooxidation of ethanol on Pt and PtRu surfaces investigated by atr surface-enhanced infrared absorption spectroscopy Journal of the Brazilian Chemical Society. 23: 831-837. DOI: 10.1590/S0103-50532012000500007 |
0.74 |
|
| 2012 |
Oliveira HCL, Oliveira TB, Varela H. Oscillatory dynamics in systems containing bromate and 1,4-cyclohexanedione in acidic media. I. The effect of temperature | Dinâmica oscilatória em sistemas contendo bromato e 1,4-ciclo-hexanodiona em meio ácido. I. Efeito da temperatura Quimica Nova. 35: 348-354. DOI: 10.1590/S0100-40422012000200022 |
0.336 |
|
| 2012 |
Nagao R, Cantane DA, Lima FHB, Varela H. The dual pathway in action: Decoupling parallel routes for CO 2 production during the oscillatory electro-oxidation of methanol Physical Chemistry Chemical Physics. 14: 8294-8298. DOI: 10.1039/c2cp00037g |
0.554 |
|
| 2012 |
Kiss IZ, Sitta E, Varela H. On the limit of frequency of electrochemical oscillators and its relationship to kinetic parameters Journal of Physical Chemistry C. 116: 9561-9567. DOI: 10.1021/Jp300714W |
0.769 |
|
| 2012 |
Santos AL, Nagao R, Oliveira CP, De Lima RB, Varela H. Reply to the "comment on the paper 'The role of HBF4 in electro-catalysis: Arsenic contamination and anion adsorption' by A.L. Santos, R. Nagao, C.P. Oliveira, R.B. de Lima, H. Varela [J. Electroanal. Chem. 660 (2011) 147-152]" Journal of Electroanalytical Chemistry. 687: 1-2. DOI: 10.1016/j.jelechem.2012.09.031 |
0.455 |
|
| 2012 |
Oliveira CP, Lussari NV, Sitta E, Varela H. Oscillatory electro-oxidation of glycerol on platinum Electrochimica Acta. 85: 674-679. DOI: 10.1016/J.Electacta.2012.08.087 |
0.761 |
|
| 2012 |
MacHado EG, Sitta E, De Lima FHB, Lee J, Varela H. Open circuit interaction of borohydride with oxidized platinum surfaces Electrochemistry Communications. 16: 107-109. DOI: 10.1016/J.Elecom.2011.12.011 |
0.743 |
|
| 2012 |
Nogueira PA, Varela H, Faria RB. The role of Ce(III) in BZ oscillating reactions Chemical Physics Letters. 530: 137-139. DOI: 10.1016/J.Cplett.2012.01.066 |
0.625 |
|
| 2011 |
Sitta E, Batista BC, Varela H. The impact of the alkali cation on the mechanism of the electro-oxidation of ethylene glycol on Pt. Chemical Communications (Cambridge, England). 47: 3775-7. PMID 21344098 DOI: 10.1039/C0Cc05353H |
0.807 |
|
| 2011 |
Nascimento MA, Gallas JA, Varela H. Self-organized distribution of periodicity and chaos in an electrochemical oscillator. Physical Chemistry Chemical Physics : Pccp. 13: 441-6. PMID 20944854 DOI: 10.1039/C0Cp01038C |
0.631 |
|
| 2011 |
Batista BC, Ferreira GCA, Varela H. The effect of poisoning species on the oscillatory dynamics of an electrochemical reaction Journal of Physics: Conference Series. 285. DOI: 10.1088/1742-6596/285/1/012003 |
0.693 |
|
| 2011 |
Nascimento MA, Gallas JAC, Varela H. Self-organized distribution of periodicity and chaos in an electrochemical oscillator Physical Chemistry Chemical Physics. 13: 441-446. DOI: 10.1039/c0cp01038c |
0.553 |
|
| 2011 |
Sitta E, Batista BC, Varela H. The impact of the alkali cation on the mechanism of the electro-oxidation of ethylene glycol on Pt Chemical Communications. 47: 3775-3777. DOI: 10.1039/c0cc05353h |
0.804 |
|
| 2011 |
Zhao Y, Wang S, Varela H, Gao Q, Hu X, Yang J, Epstein IR. Spatiotemporal pattern formation in the oscillatory electro-oxidation of sulfide on a platinum disk Journal of Physical Chemistry C. 115: 12965-12971. DOI: 10.1021/Jp202881H |
0.594 |
|
| 2011 |
Varela H, Sitta E, Machado EG. Comment on electrochemical quartz crystal microbalance study of borohydride electro-oxidation on pt: The effect of borohydride concentration and thiourea adsorption Journal of Physical Chemistry C. 115: 10310-10311. DOI: 10.1021/Jp2009385 |
0.729 |
|
| 2011 |
Lopes PP, Ticianelli EA, Varela H. Potential oscillations in a proton exchange membrane fuel cell with a Pd-Pt/C anode Journal of Power Sources. 196: 84-89. DOI: 10.1016/J.Jpowsour.2010.07.034 |
0.393 |
|
| 2011 |
Santos AL, Nagao R, Oliveira CP, De Lima RB, Varela H. The role of HBF4 in electro-catalysis: Arsenic contamination and anion adsorption Journal of Electroanalytical Chemistry. 660: 147-152. DOI: 10.1016/J.Jelechem.2011.06.023 |
0.646 |
|
| 2011 |
Kiss IZ, Varela H, Trulove P. ECS Transactions: Preface Ecs Transactions. 33: iii. |
0.324 |
|
| 2010 |
Sitta E, Nascimento MA, Varela H. Complex kinetics, high frequency oscillations and temperature compensation in the electro-oxidation of ethylene glycol on platinum. Physical Chemistry Chemical Physics : Pccp. 12: 15195-206. PMID 20661518 DOI: 10.1039/C002574G |
0.815 |
|
| 2010 |
Sauerbrei S, Nascimento MA, Eiswirth M, Varela H. Mechanism and model of the oscillatory electro-oxidation of methanol. The Journal of Chemical Physics. 132: 154901. PMID 20423195 DOI: 10.1063/1.3368790 |
0.716 |
|
| 2010 |
Camargo APM, Previdello BAF, Varela H, Gonzalez ER. Effect of temperature on the electro-oxidation of ethanol on platinum Quimica Nova. 33: 2143-2147. DOI: 10.1590/S0100-40422010001000026 |
0.414 |
|
| 2010 |
Mota A, Lopes PP, Ticianelli EA, Gonzalez ER, Varela H. Complex oscillatory response of a PEM fuel cell fed with H2/CO and oxygen Journal of the Electrochemical Society. 157: B1301-B1304. DOI: 10.1149/1.3463725 |
0.412 |
|
| 2010 |
Sauerbrei S, Nascimento MA, Eiswirth M, Varela H. Mechanism and model of the oscillatory electro-oxidation of methanol Journal of Chemical Physics. 132. DOI: 10.1063/1.3368790 |
0.717 |
|
| 2010 |
Sitta E, Nascimento MA, Varela H. Complex kinetics, high frequency oscillations and temperature compensation in the electro-oxidation of ethylene glycol on platinum Physical Chemistry Chemical Physics. 12: 15195-15206. DOI: 10.1039/c002574g |
0.785 |
|
| 2010 |
Nagao R, Sitta E, Varela H. Stabilizing nonstationary electrochemical time series Journal of Physical Chemistry C. 114: 22262-22268. DOI: 10.1021/Jp109554R |
0.783 |
|
| 2010 |
Batista BC, Varela H. Open circuit interaction of formic acid with oxidized Pt surfaces: Experiments, modeling, and simulations Journal of Physical Chemistry C. 114: 18494-18500. DOI: 10.1021/Jp104650X |
0.752 |
|
| 2010 |
Boscheto E, Batista BC, Lima RB, Varela H. A surface-enhanced infrared absorption spectroscopic (SEIRAS) study of the oscillatory electro-oxidation of methanol on platinum Journal of Electroanalytical Chemistry. 642: 17-21. DOI: 10.1016/J.Jelechem.2010.01.026 |
0.775 |
|
| 2010 |
Camargo APM, Previdello BAF, Varela H, Gonzalez ER. The impact of water concentration on the catalytic oxidation of ethanol on platinum electrode in concentrated phosphoric acid Electrochemistry Communications. 12: 140-143. DOI: 10.1016/J.Elecom.2009.11.008 |
0.417 |
|
| 2010 |
Sitta E, Varela H. Beta Oscillations in the Electro-oxidation of Ethylene Glycol on Platinum Electrocatalysis. 1: 19-21. DOI: 10.1007/S12678-010-0005-2 |
0.77 |
|
| 2009 |
Carbonio EA, Nagao R, Gonzalez ER, Varela H. Temperature effects on the oscillatory electro-oxidation of methanol on platinum. Physical Chemistry Chemical Physics : Pccp. 11: 665-70. PMID 19835088 DOI: 10.1039/B811636A |
0.63 |
|
| 2009 |
Angelucci CA, Varela H, Herrero E, Feliu JM. Activation energies of the electrooxidation of formic acid on Pt(100) Journal of Physical Chemistry C. 113: 18835-18841. DOI: 10.1021/Jp907723K |
0.534 |
|
| 2009 |
Jerkiewicz G, Alsabet M, Grden M, Varela H, Tremiliosi-Filho G. Erratum to: “Comprehensive study of the growth of thin oxide layers on Pt electrodes under well-defined temperature, potential, and time conditions” [Journal of Electroanalytical Chemistry, 589 (2006) 120–127] Journal of Electroanalytical Chemistry. 625: 172-174. DOI: 10.1016/J.Jelechem.2008.10.015 |
0.432 |
|
| 2009 |
Sitta E, Santos AL, Nagao R, Varela H. Nanogravimetric study of the complex voltammetric response in the electro-oxidation of methanol on platinum Electrochimica Acta. 55: 404-409. DOI: 10.1016/J.Electacta.2009.02.069 |
0.805 |
|
| 2008 |
Nogueira PA, Oliveira HC, Varela H. Time evolution of the activation energy in a batch chemical oscillator. The Journal of Physical Chemistry. A. 112: 12412-5. PMID 18998654 DOI: 10.1021/Jp808901R |
0.652 |
|
| 2008 |
Batista BC, Sitta E, Eiswirth M, Varela H. Autocatalysis in the open circuit interaction of alcohol molecules with oxidized Pt surfaces Physical Chemistry Chemical Physics. 10: 6686-6692. PMID 18989481 DOI: 10.1039/B811787J |
0.803 |
|
| 2008 |
Nagao R, Epstein IR, Gonzalez ER, Varela H. Temperature (over)compensation in an oscillatory surface reaction. The Journal of Physical Chemistry. A. 112: 4617-24. PMID 18433166 DOI: 10.1021/Jp801361J |
0.666 |
|
| 2008 |
Martins AL, Batista BC, Sitta E, Varela H. Oscillatory instabilities during the electrocatalytic oxidation of methanol on platinum Journal of the Brazilian Chemical Society. 19: 679-687. DOI: 10.1590/S0103-50532008000400011 |
0.824 |
|
| 2008 |
Joanni E, Gonzalez ER, Varela H. Oscillatory co-electrodeposition of copper and tin | Co-eletrodeposição oscilatória de cobre e estanho Quimica Nova. 31: 1444-1449. DOI: 10.1590/S0100-40422008000600031 |
0.415 |
|
| 2008 |
Santos AL, Jay Deiner L, Varela H. The effect of ultra-low proton concentration on the electrocatalytic reduction of nitrate over platinum Catalysis Communications. 9: 269-272. DOI: 10.1016/J.Catcom.2007.04.008 |
0.342 |
|
| 2008 |
Sitta E, Varela H. On the open-circuit interaction between methanol and oxidized platinum electrodes Journal of Solid State Electrochemistry. 12: 559-567. DOI: 10.1007/S10008-007-0349-6 |
0.753 |
|
| 2008 |
de Lima RB, Varela H. Catalytic oxidation of ethanol on gold electrode in alkaline media Gold Bulletin. 41: 15-22. DOI: 10.1007/Bf03215619 |
0.362 |
|
| 2007 |
Tokoro G, Oliveira HCL, Varela H. Dinâmica complexa no sistema bromato/hipofosfito/acetona/manganês e ferroína QuíMica Nova. 30: 1930-1937. DOI: 10.1590/S0100-40422007000800026 |
0.429 |
|
| 2007 |
Andrade FV, Deiner LJ, Varela H, De Castro JFR, Rodrigues IA, Nart FC. Electrocatalytic reduction of nitrate over palladium nanoparticle catalysts: A temperature-dependent study Journal of the Electrochemical Society. 154: F159-F164. DOI: 10.1149/1.2752114 |
0.304 |
|
| 2006 |
Ferreira M, Varela H, Torresi RM, Tremiliosi-Filho G. Electrode passivation caused by polymerization of different phenolic compounds Electrochimica Acta. 52: 434-442. DOI: 10.1016/J.Electacta.2006.05.025 |
0.376 |
|
| 2005 |
Bonnefont A, Varela H, Krischer K. Stationary spatial patterns during bulk CO electrooxidation on platinum. The Journal of Physical Chemistry. B. 109: 3408-15. PMID 16851372 DOI: 10.1021/Jp045821V |
0.599 |
|
| 2005 |
Plenge F, Varela H, Krischer K. Pattern formation in stiff oscillatory media with nonlocal coupling: a numerical study of the hydrogen oxidation reaction on Pt electrodes in the presence of poisons. Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics. 72: 066211. PMID 16486044 DOI: 10.1103/Physreve.72.066211 |
0.638 |
|
| 2005 |
Plenge F, Varela H, Krischer K. Asymmetric target patterns in one-dimensional oscillatory media with genuine nonlocal coupling Physical Review Letters. 94. PMID 16090220 DOI: 10.1103/Physrevlett.94.198301 |
0.689 |
|
| 2005 |
Varela H, Beta C, Bonnefont A, Krischer K. A hierarchy of global coupling induced cluster patterns during the oscillatory H2-electrooxidation reaction on a Pt ring-electrode. Physical Chemistry Chemical Physics : Pccp. 7: 2429-39. PMID 15962026 DOI: 10.1039/B502027A |
0.57 |
|
| 2005 |
Varela H, Beta C, Bonnefont A, Krischer K. Transitions to electrochemical turbulence. Physical Review Letters. 94: 174104. PMID 15904297 DOI: 10.1103/Physrevlett.94.174104 |
0.559 |
|
| 2005 |
Varela H, Beta C, Bonnefont A, Krischer K. Transitions to electrochemical turbulence Physical Review Letters. 94. DOI: 10.1103/PhysRevLett.94.174104 |
0.448 |
|
| 2005 |
Plenge F, Varela H, Krischer K. Pattern formation in stiff oscillatory media with nonlocal coupling: A numerical study of the hydrogen oxidation reaction on Pt electrodes in the presence of poisons Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 72. DOI: 10.1103/PhysRevE.72.066211 |
0.605 |
|
| 2005 |
Varela H, Beta C, Bonnefont A, Krischer K. A hierarchy of global coupling induced cluster patterns during the oscillatory H2-electrooxidation reaction on a Pt ring-electrode Physical Chemistry Chemical Physics. 7: 2429-2439. DOI: 10.1039/b502027a |
0.527 |
|
| 2005 |
Bonnefont A, Varela H, Krischer K. Stationary spatial patterns during bulk CO electrooxidation on platinum Journal of Physical Chemistry B. 109: 3408-3415. DOI: 10.1021/jp045821v |
0.45 |
|
| 2003 |
Varela H, Bonnefont A, Krischer K. Trapping electrochemical oscillations between self-organized potential walls. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. 4: 1348-51. PMID 14714385 DOI: 10.1002/Cphc.200300922 |
0.562 |
|
| 2003 |
Bonnefont A, Varela H, Krischer K. Stationary small and large amplitude patterns during bulk CO electrooxidation on platinum. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. 4: 1260-3. PMID 14653011 DOI: 10.1002/Cphc.200300874 |
0.652 |
|
| 2003 |
Plenge F, Varela H, Lübke M, Krischer K. Quantitative modeling of the oscillatory electrooxidation of hydrogen on Pt in the presence of poisons Zeitschrift Fur Physikalische Chemie. 217: 365-381. DOI: 10.1524/Zpch.217.4.365.20387 |
0.597 |
|
| 2003 |
Varela H, Bruno RL, Torresi RM. Ionic transport in conducting polymers/nickel tetrasulfonated phthalocyanine modified electrodes Polymer. 44: 5369-5379. DOI: 10.1016/S0032-3861(03)00526-3 |
0.325 |
|
| 2003 |
Krischer K, Varela H, Bîrzu A, Plenge F, Bonnefont A. Stability of uniform electrode states in the presence of ohmic drop compensation Electrochimica Acta. 49: 103-115. DOI: 10.1016/J.Electacta.2003.04.006 |
0.59 |
|
| 2003 |
Varela H, Bonnefont A, Krischer K. Trapping Electrochemical Oscillations between Self-Organized Potential Walls Chemphyschem. 4: 1348-1351. DOI: 10.1002/cphc.200300922 |
0.503 |
|
| 2003 |
Bonnefont A, Varela H, Krischer K. Stationary Small and Large Amplitude Patterns during Bulk CO Electrooxidation on Platinum Chemphyschem. 4: 1260-1263. DOI: 10.1002/cphc.200300874 |
0.493 |
|
| 2002 |
Varela H, Torresi RM, Gonzalez ER. Aspectos relacionados à utilização da equação logística quadrática em processos eletroquímicos QuíMica Nova. 25: 99-106. DOI: 10.1590/S0100-40422002000100017 |
0.305 |
|
| 2002 |
Varela H, Krischer K. Deciphering the origin of high-order periodic and aperiodic cyclic voltammetric responses during oxidation processes on platinum Journal of Physical Chemistry B. 106: 12258-12266. DOI: 10.1021/Jp026673G |
0.664 |
|
| 2001 |
Grauel P, Varela H, Krischer K. Spatial bifurcations of fixed points and limit cycles during the electrochemical oxidation of H2 on Pt ring-electrodes. Faraday Discussions. 165-78; discussion 1. PMID 11901673 DOI: 10.1039/B103345J |
0.63 |
|
| 2001 |
Varela H, Krischer K. Nonlinear phenomena during electrochemical oxidation of hydrogen on platinum electrodes Catalysis Today. 70: 411-425. DOI: 10.1016/S0920-5861(01)00347-9 |
0.668 |
|
| 2001 |
Varela H, De Albuquerque Maranhão SL, Mello RMQ, Ticianelli EA, Torresi RM. Comparisons of charge compensation process in aqueous media of polyaniline and self-doped polyanilines Synthetic Metals. 122: 321-327. DOI: 10.1016/S0379-6779(00)00359-3 |
0.319 |
|
| 2001 |
Varela H, Malta M, Torresi RM. Microgravimetric study of the influence of the solvent on the redox properties of polypyrrole modified electrodes Journal of Power Sources. 92: 50-55. DOI: 10.1016/S0378-7753(00)00524-3 |
0.328 |
|
| 2001 |
Grauel P, Varela H, Krischer K. Spatial bifurcations of fixed points and limit cycles during the electrochemical oxidation of H2 on Pt ring-electrodes Faraday Discussions. 120: 165-178. |
0.57 |
|
| 2000 |
Varela H, Câmara GA, Scatena Júnior H, Gonzalez ER. Reação de geração de oxigênio em eletrodos de Mn2O3 suportados em aço inoxidável QuíMica Nova. 23: 721-726. DOI: 10.1590/S0100-40422000000600002 |
0.342 |
|
| 2000 |
Varela H, Malta M, Torresi RM. Técnicas in situ de baixo custo em eletroquímica: a microbalança a cristal de quartzo QuíMica Nova. 23: 664-679. DOI: 10.1590/S0100-40422000000500016 |
0.322 |
|
| 2000 |
Varela H, Torresi RM. Ionic exchange phenomena related to the redox processes of polyaniline in nonaqueous media Journal of the Electrochemical Society. 147: 665-670. DOI: 10.1149/1.1393250 |
0.31 |
|
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