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The Effect of Processing Additives on Energetic Disorder in Highly Efficient Organic Photovoltaics: A Case Study on PBDTTT-C-T:PC71 BM

Feng Gao, Scott Himmelberger, Mattias Andersson, David Hanifi, Yuxin Xia, Shaoqing Zhang, Jianpu Wang, Jianhui Hou, Alberto Salleo, Olle Inganäs

Adv Mater. 2015 Jul 8;27(26):3868-73.

PMID: 26016473

Abstract:

Energetic disorder, an important parameter affecting the performance of organic photovoltaics, is significantly decreased upon the addition of processing additives in a highly efficient benzodithiophene-based copolymer blend (PBDTTT-C-T:PC71 BM). Wide-angle and small-angle X-ray scattering measurements suggest that the origin of this reduced energetic disorder is due to increased aggregation and a larger average fullerene domain size together with purer phases.

Chemicals Related in the Paper:

Catalog Number Product Name Structure CAS Number Price
AP1393932530 PBDTTT-C-T PBDTTT-C-T 1393932-53-0 Price
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