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Manipulating open-circuit voltage in an organic photovoltaic device via a phenylalkyl side chain
Swee Ling Lam1, Xiaoqian Liu, Fangli Zhao
1Centre of Biomedical and Life Sciences, Singapore Polytechnic, 500 Dover Road, Singapore 139651, Singapore.
Abstract:
We report the use of a phenylalkyl side chain modified donor molecule to increase the open-circuit voltage (Voc) of an organic photovoltaic device. The bulky side chain is able to alter the donor/acceptor interface without interfering in the molecular packing. As a result, both Voc and device performance are improved.
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