Johannes Sprafke, PhD

Affiliations: 
University of California, Santa Barbara, Santa Barbara, CA, United States 
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"Johannes Sprafke"
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Publications

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Yong CK, Parkinson P, Kondratuk DV, et al. (2015) Ultrafast delocalization of excitation in synthetic light-harvesting nanorings. Chemical Science. 6: 181-189
Yong CK, Parkinson P, Kondratuk DV, et al. (2015) Ultrafast delocalization of excitation in synthetic light-harvesting nanorings Chemical Science. 6: 181-189
Sprafke JK, Spruell JM, Mattson KM, et al. (2015) Revisiting thiol-yne chemistry: Selective and efficient monoaddition for block and graft copolymer formation Journal of Polymer Science, Part a: Polymer Chemistry. 53: 319-326
Kondratuk DV, Sprafke JK, O'Sullivan MC, et al. (2014) Vernier-templated synthesis, crystal structure, and supramolecular chemistry of a 12-porphyrin nanoring. Chemistry (Weinheim An Der Bergstrasse, Germany). 20: 12826-34
Sforazzini G, Kahnt A, Wykes M, et al. (2014) Synthesis and photophysics of coaxial threaded molecular wires: Polyrotaxanes with triarylamine jackets Journal of Physical Chemistry C. 118: 4553-4566
Hutin M, Sprafke JK, Odell B, et al. (2013) A discrete three-layer stack aggregate of a linear porphyrin tetramer: solution-phase structure elucidation by NMR and X-ray scattering. Journal of the American Chemical Society. 135: 12798-807
Lee BF, Wolffs M, Delaney KT, et al. (2012) Reactivity ratios, and mechanistic insight for anionic ring-opening copolymerization of epoxides. Macromolecules. 45: 3722-3731
Kärnbratt J, Gilbert M, Sprafke JK, et al. (2012) Self-assembly of linear porphyrin oligomers into well-defined aggregates Journal of Physical Chemistry C. 116: 19630-19635
Hogben HJ, Sprafke JK, Hoffmann M, et al. (2011) Stepwise effective molarities in porphyrin oligomer complexes: preorganization results in exceptionally strong chelate cooperativity. Journal of the American Chemical Society. 133: 20962-9
Sprafke JK, Kondratuk DV, Wykes M, et al. (2011) Belt-shaped π-systems: relating geometry to electronic structure in a six-porphyrin nanoring. Journal of the American Chemical Society. 133: 17262-73
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