N-Annulated perylene as a donor in cyclopentadithiophene based sensitizers: the effect of the linking mode

Jie Luo; Xingzhu Wang; Li Fan; Gongqiang Li; Qingbiao Qi; Kuo-Wei Huang; Teck Lip Dexter Tam; Jie Zhang; Qing Wang; Jishan Wu

doi:10.1039/C5TC03623B

N-Annulated perylene as a donor in cyclopentadithiophene based sensitizers: the effect of the linking mode†

Jie Luo,‡^a Xingzhu Wang,‡^b Li Fan,^b Gongqiang Li,^a Qingbiao Qi,^c Kuo-Wei Huang,^d Teck Lip Dexter Tam,^a Jie Zhang,*^a Qing Wang*^b and Jishan Wu*^ac

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* Corresponding authors

^a Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, #08-03, Singapore, Singapore
E-mail: zhangj@imre.a-star.edu.sg

^b Department of Materials Science and Engineering, NUSNNI-NanoCore, National University of Singapore, 9 Engineering Drive 1, Singapore, Singapore
E-mail: qing.wang@nus.edu.sg

^c Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, Singapore
E-mail: chmwuj@nus.edu.sg

^d Division of Physical Science and Engineering and KAUST Catalysis Center, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Kingdom of Saudi Arabia

Abstract

Two types of cyclopentadithiophene dyes with different linking modes with an N-annulated perylene (NP) donor were designed and synthesized. These new dyes were applied in Co(II)/(III) based dye-sensitized solar cells and an efficiency up to 7.8% could be obtained for peri-NP linked CPD-1. The effect of the linking mode on the material properties and device performance was discussed.

This article is part of the themed collection: Small Molecules and Monodisperse Oligomers for Organic Electronics

Journal of Materials Chemistry C

N-Annulated perylene as a donor in cyclopentadithiophene based sensitizers: the effect of the linking mode†

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N-Annulated perylene as a donor in cyclopentadithiophene based sensitizers: the effect of the linking mode

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