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Two Novel Carbazole...
Two Novel Carbazole Dyes for Dye-Sensitized Solar Cells with Open-Circuit Voltages up to 1 V Based on Br-/Br3- Electrolytes.
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Teng, Chao (författare)
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Yang, Xichuan (författare)
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Yuan, Chunze (författare)
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Li, Chaoyan (författare)
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Chen, Ruikui (författare)
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Tian, Haining (författare)
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Li, Shifeng (författare)
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- Hagfeldt, Anders (författare)
- KTH,Organisk kemi
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- Sun, Licheng (författare)
- KTH,Organisk kemi
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(creator_code:org_t)
- 2009-11-09
- 2009
- Engelska.
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Ingår i: Organic Letters. - : American Chemical Society (ACS). - 1523-7060 .- 1523-7052. ; 11:23, s. 5542-5545
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Dye-sensitized solar cells (DSCs) based on two novel carbazole dyes and a Br-/Br3- redox mediator in dry CH3CN solns. as electrolytes yielded a Voc of 1.156 V and a η value of 3.68% and a Voc of 0.939 V and a η value of 5.22% under simulated AM 1.5, resp. The dyes have more pos. HOMO levels (1.59 and 1.38 V vs NHE) than the redox potential of Br-/Br3--based electrolytes, which have sufficient driving force to regenerate dyes. Under similar conditions with an I-/I3- instead of a Br-/Br3- redox mediator, DSCs sensitized by the dyes produced a Voc of 0.696 V and a η value of 2.36% and a Voc of 0.621 V and a η value of 4.10%, resp. [on SciFinder(R)]
Nyckelord
- carbazole dye sensitizer solar cell
- bromide electrolyte carbazole dye sensitizer solar cell
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