Issue 11, 2015

Dithienopicenocarbazole as the kernel module of low-energy-gap organic dyes for efficient conversion of sunlight to electricity

Abstract

An electron-donor with a polycyclic aromatic hydrocarbon dithieno[2′,3′:2,3;3′′,2′′:10,11]piceno[1,14,13,12-bcdefgh]carbazole (DTPC) as the primary skeleton and also decorated with multiple solubilizing groups is coupled to 4-(benzo[c][1,2,5]thiadiazol-4-ylethynyl)benzoic acid, for a metal-free organic dye (C281). The near-infrared photosensitizing dye exhibits over 80% external quantum efficiency in a broad spectral range from 480 nm to 735 nm, and a high power conversion efficiency of 13.0% under irradiance of simulated AM 1.5G sunlight (100 mW cm−2).

Graphical abstract: Dithienopicenocarbazole as the kernel module of low-energy-gap organic dyes for efficient conversion of sunlight to electricity

Supplementary files

Article information

Article type
Communication
Submitted
12 Sep 2015
Accepted
23 Sep 2015
First published
24 Sep 2015

Energy Environ. Sci., 2015,8, 3192-3197

Dithienopicenocarbazole as the kernel module of low-energy-gap organic dyes for efficient conversion of sunlight to electricity

Z. Yao, H. Wu, Y. Li, J. Wang, J. Zhang, M. Zhang, Y. Guo and P. Wang, Energy Environ. Sci., 2015, 8, 3192 DOI: 10.1039/C5EE02822A

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