A-D-A type organic donors employing coplanar heterocyclic cores for efficient small molecule organic solar cells
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- 作者：Chin-Lung Chunga ; Chien-Yu Chenb ; Hao-Wei Kangb ; Hao-Wu Linb ; hwlin@mx.nthu.edu.tw" class="auth_mail" title="E-mail the corresponding author ; Wei-Lun Tsaib ; Chou-Chun Hsua ; Ken-Tsung Wonga ; c ; kenwong@ntu.edu.tw" class="auth_mail" title="E-mail the corresponding author
- 关键词：A&ndash ; D&ndash ; A donor ; Anisotropic character ; Variable-angle spectroscopic ellipsometry ; Exciton diffusion length ; Planar-mixed heterojunction ; Small-molecule organic solar cells
- 刊名：Organic Electronics
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：28
- 期：Complete
- 页码：229-238
- 全文大小：2112 K
文摘
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Two A–D–A molecules employing rigid S,N-heteroacenes as D core were synthesized.
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The films of these dyes show uniaxial anisotropic feature and high absorptivity.
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The exciton diffusion length of DTPT and DTPTT is ~5 nm and ~4 nm, respectively.
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With C70 as acceptor, the DTPT-based PMHJ solar cell delivers a PCE up to 5.64%.