Ternary polymer solar cell based on two donors and one acceptor for improving morphology and power conversion efficiency

Um, Hyun Ah; Lee, Dae Hee; Park, Gi Eun; Cho, Min Ju; Choi, Dong Hoon

doi:10.1016/j.synthmet.2016.07.009

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Ternary polymer solar cell based on two donors and one acceptor for improving morphology and power conversion efficiency

Um, Hyun Ah;
Lee, Dae Hee;
Park, Gi Eun;
Cho, Min Ju;
Choi, Dong Hoon

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초록

We synthesized isoindigo-based two donor-acceptor (D-A) copolymers to optimize the morphology in ternary blend films with two p-type polymers and n-type phenyl-C61-butyric acid methyl ester (PC61BM). Compared to binary systems with a single copolymer and PC61BM, the ternary polymer solar cell with two copolymers and PC61BM showed highly enhanced power conversion efficiency of 5.13% with a high short circuit current of 13.23 mA cm(-2). These results were supported by atomic force microscopy (AFM) and transmission electron microscopy (TEM) observations of the surface and internal morphology of the thin film, respectively. (C) 2016 Elsevier B.V. All rights reserved.

키워드

Isoindigo; Copolymer; Polymer blend; Morphology; Polymer solar cell; Power conversion efficiency; CHARGE-CARRIER MOBILITY; OPEN-CIRCUIT VOLTAGE; HIGH FILL FACTOR; ISOINDIGO; ORIGIN

제목: Ternary polymer solar cell based on two donors and one acceptor for improving morphology and power conversion efficiency

저자: Um, Hyun Ah; Lee, Dae Hee; Park, Gi Eun; Cho, Min Ju; Choi, Dong Hoon

DOI: 10.1016/j.synthmet.2016.07.009

발행일: 2016-10

유형: Article

저널명: Synthetic Metals

권: 220

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