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High-Performance All-Polymer Solar Cells Via Side-Chain Engineering of the Polymer Acceptor: The Importance of the Polymer Packing Structure and the Nanoscale Blend Morphology
- Authors
- Lee, Changyeon; Kang, Hyunbum; Lee, Wonho; Kim, Taesu; Kim, Ki-Hyun; Woo, Han Young; Wang, Cheng; Kim, Bumjoon J.
- Issue Date
- Apr-2015
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- all-polymer solar cells; high efficiency; side-chain engineering; polymer crystallinity; BHJ morphology
- Citation
- ADVANCED MATERIALS, v.27, no.15, pp 2466 - 2471
- Pages
- 6
- Journal Title
- ADVANCED MATERIALS
- Volume
- 27
- Number
- 15
- Start Page
- 2466
- End Page
- 2471
- ISSN
- 0935-9648
1521-4095
- Abstract
- The effectiveness of side-chain engineering is demonstrated to produce highly efficient all-polymer solar cells (efficiency of 5.96%) using a series of naphthalene diimide-based polymer acceptors with controlled side chains. The dramatic changes in the polymer packing, blend morphology, and electron mobility of all-polymer solar cells elucidate clear trends in the photovoltaic performances. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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