Lim, D.-S., Park, K.-W., Wiles, A. A. and Hong, J. (2019) Metal-free organic chromophores featuring an ethynyl-thienothiophene linker with an n-hexyl chain for translucent dye-sensitized solar cells. Materials, 12(11), 1741. (doi: 10.3390/ma12111741) (PMID:31146349) (PMCID:PMC6600718)
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Abstract
We report the simple synthesis of two organic chromophores featuring an ethynyl-thienothiophene linker with an n-hexyl chain (CSD-03 and CSD-04), their optical and electrochemical properties, and their use as photosensitizers in dye-sensitized solar cells (DSSCs). Our theoretical and experimental studies show that adding the second thienothiophene allows for narrowing the bandgap of the molecule and thus ensuring more light harvesting in the visible region. The efficiencies of both CSD-03 (5.46 ± 0.03%) and CSD-04 (5.20 ± 0.03%) are comparable to that of N719 (5.92 ± 0.01%) in translucent DSSCs fabricated with 5 μm-thick TiO2 photoanodes.
Item Type: | Articles |
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Additional Information: | This work was supported by the National Research Foundation of Korea (NRF) Grant funded by the Ministry of Science and ICT for First-Mover Program for Accelerating Disruptive Technology Development (NRF-2018M3C1B9088457) and the Chung-Ang University Research Grants in 2015. |
Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Wiles, Dr Alan |
Authors: | Lim, D.-S., Park, K.-W., Wiles, A. A., and Hong, J. |
College/School: | College of Science and Engineering > School of Chemistry |
Journal Name: | Materials |
Publisher: | MDPI |
ISSN: | 1996-1944 |
ISSN (Online): | 1996-1944 |
Published Online: | 29 May 2019 |
Copyright Holders: | Copyright © 2019 The Authors |
First Published: | First published in Materials 12(11): 1741 |
Publisher Policy: | Reproduced under a Creative Commons License |
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