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教授   博士生导师   硕士生导师

性别: 男

毕业院校: 大连理工大学

学位: 博士

所在单位: 化工学院

学科: 应用化学. 精细化工. 生物化工

办公地点: 西校区E-204

联系方式: xiaoyi@dlut.edu.cn 0411-84986251

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Star-shaped carbazole-based BODIPY derivatives with improved hole transportation and near-infrared absorption for small-molecule organic solar cells with high open-circuit voltages

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论文类型: 期刊论文

发表时间: 2015-01-01

发表刊物: RSC ADVANCES

收录刊物: SCIE、EI、Scopus

卷号: 5

期号: 41

页面范围: 32283-32289

ISSN号: 2046-2069

摘要: A series of tunable absorbing star-shaped BODIPY derivatives containing a different number of carbazole units were designed and synthesized. With the extended conjugated skeleton, their absorption spectra become progressively bathochromic shifted from the red region to the near-infrared region. The compound TAC with four carbazole units exhibits a strong near-infrared absorption up to 850 nm with a high extinction coefficient over 135 000 M-1 cm(-1) and considerable intrinsic hole mobility of 4.82 x 10(-5) cm(2) V-1 s(-1) in SCLC devices. The near-infrared organic solar cells (OSCs) based on TAC exhibit a potential power conversion efficiency of 2.70% and a high open-circuit voltage of 0.85 V.

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