Issue 4, 2014

Binary additives synergistically boost the efficiency of all-polymer solar cells up to 3.45%

Abstract

Binary additives synergistically boost the power conversion efficiency of all-polymer solar cells up to 3.45%. The nonvolatile additive PDI-2DTT suppresses aggregation of the acceptor PPDIDTT and enhances donor/acceptor mixing, while the additive DIO facilitates aggregation and crystallization of the donor PBDTTT-C-T as well as improves phase separation. Combination of DIO and PDI-2DTT leads to suitable phase separation and improved and balanced charge transport, which is beneficial to efficiency enhancement.

Graphical abstract: Binary additives synergistically boost the efficiency of all-polymer solar cells up to 3.45%

Supplementary files

Article information

Article type
Communication
Submitted
10 Sep 2013
Accepted
18 Oct 2013
First published
21 Oct 2013

Energy Environ. Sci., 2014,7, 1351-1356

Binary additives synergistically boost the efficiency of all-polymer solar cells up to 3.45%

P. Cheng, L. Ye, X. Zhao, J. Hou, Y. Li and X. Zhan, Energy Environ. Sci., 2014, 7, 1351 DOI: 10.1039/C3EE43041C

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