Dithienopicenocarbazole as the kernel module of low-energy-gap organic dyes for efficient conversion of sunlight to electricity. Issue 11 (1st October 2015)

• Record Type: Journal Article
• Authors: Yao, Zhaoyang; Wu, Heng; Li, Yang; Wang, Junting; Zhang, Jing; Zhang, Min; Guo, Yanchun; Wang, Peng
• Is Part Of: Energy & environmental science. Volume 8:Issue 11(2015)
• Page Start: 3192
• Page End: 3197
• Publication Date: 2015-10-01
• Subjects: Energy conversion -- Periodicals; Fuel switching -- Periodicals; Environmental sciences -- Periodicals; Environmental chemistry -- Periodicals; 333.79
• DOI: 10.1039/c5ee02822a
• Languages: English
• ISSNs: 1754-5692

Abstract

Abstract : A metal-free organic dye-sensitized solar cell attains 13% power conversion efficiency under AM1.5G full sunlight. 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 ).