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Efficient planar organic semiconductors containing fused triphenylamine for solution processed small molecule organic solar cells
- Issue Date
- 8월-2013
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Organic semiconductor; Planar structure; Intramolecular charge transfer; Bulk heterojunction; Organic solar cell
- Citation
- SOLAR ENERGY MATERIALS AND SOLAR CELLS, v.115, pp.52 - 57
- Indexed
- SCIE
SCOPUS
- Journal Title
- SOLAR ENERGY MATERIALS AND SOLAR CELLS
- Volume
- 115
- Start Page
- 52
- End Page
- 57
- ISSN
- 0927-0248
- Abstract
- A new and efficient push-pull organic semiconductor, DMM-TPA-Th-2-MMN, with a planar fused triphenylamine (DMM-TPA) donor and a methylene malononitrile (MMN) acceptor was synthesized. The planar semiconductor exhibited better p-type semiconducting performance with a power conversion efficiency of 4.04% in solution-processed small-molecule organic solar cells than did the tilted TPA-Th-2-MMN semiconductor, enhancing hole mobilities due to more favorable intermolecular pi-pi packing interactions. (C) 2013 Elsevier B.V. All rights reserved.
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