Dithienopicenocarbazole as the kernel module of low-energy-gap organic dyes for efficient conversion of sunlight to electricity?
Energy & Environmental Science Pub Date: 2015-09-24 DOI: 10.1039/C5EE02822A
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).
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Journal Name：Energy & Environmental Science
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CAS no.: 89640-58-4
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