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Determining the True Optical Gap in a High-Performance Organic Photovoltaic Polymer Using Single-Molecule Spectroscopy

Hedley, Gordon J. , Steiner, Florian, Vogelsang, Jan and Lupton, John M. (2017) Determining the True Optical Gap in a High-Performance Organic Photovoltaic Polymer Using Single-Molecule Spectroscopy. The Journal of Physical Chemistry Letters 8 (15), pp. 3494-3499.

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Other URL: http://doi.org/10.1021/acs.jpclett.7b01363


Abstract

Low-gap conjugated polymers have enabled an impressive increase in the efficiencies of organic solar cells, primarily due to their red absorption that allows harvesting of that part of the solar spectrum. Here we report that the true optical gap of one prototypical material, PTB7, is in fact at significantly higher energy than has previously been reported, indicating that the red absorption ...

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Item type:Article
Date:2017
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group John Lupton
Identification Number:
ValueType
10.1021/acs.jpclett.7b01363DOI
Keywords:POWER-CONVERSION EFFICIENCY; SOLAR-CELLS; INTENSITY FLUCTUATIONS; FLUORESCENCE; LIGHT; INTERFEROMETRY; RADIATION; PHOTONS; DESIGN;
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:39268
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