Solubilizing Side Chain Engineering: Efficient Strategy to Improve the Photovoltaic Performance of Novel Benzodithiophene-Based (X-DADAD)n Conjugated Polymers

Ilya E. Kuznetsov, Sergey L. Nikitenko, Petr M. Kuznetsov, Nadezhda N. Dremova, Pavel A. Troshin, Alexander V. Akkuratov

Результат исследований: Вклад в журналСтатьярецензирование

2 Цитирования (Scopus)

Аннотация

Conjugated polymers represent a promising family of semiconductor materials for thin-film organic solar cells (OSCs). An efficient approach to improve the photovoltaic performance of conjugated polymers is engineering the side chains attached to the polymer backbone. This work reports the impact of different alkyl substituents on the optoelectronic properties, charge carrier mobilities, thin film morphology, and photovoltaic performance of novel (X-DADAD)n conjugated polymers incorporating benzo[1,2-b:4,5-b′]dithiophene moieties. It has been shown that loading conjugated polymers with appropriate alkyl side chains results in a spectacular performance improvement from 6.8% to 9% in OCSs using a model fullerene acceptor [6,6]-phenyl-C71-butyric acid methyl ester. The obtained results feature side-chain engineering as a facile and efficient strategy for designing high-performance conjugated polymers for organic photovoltaics.

Язык оригиналаАнглийский
Номер статьи2000430
ЖурналMacromolecular Rapid Communications
Том41
Номер выпуска22
DOI
СостояниеОпубликовано - нояб. 2020

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