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Bis(1,1-bis(2-pyrid...
Bis(1,1-bis(2-pyridyl)ethane)copper(I/II) as an efficient redox couple for liquid dye-sensitized solar cells
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- Cong, Jiayan (författare)
- KTH Royal Institute of Technology, Sweden
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- Kinschel, Dominik (författare)
- KTH Royal Institute of Technology, Sweden; Dyenamo AB, Sweden
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- Daniel, Quentin (författare)
- KTH Royal Institute of Technology, Sweden
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- Safdari, Majid (författare)
- KTH Royal Institute of Technology, Sweden
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- Gabrielsson, Erik (författare)
- Dyenamo AB, Sweden
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- Chen, Hong (författare)
- KTH Royal Institute of Technology, Sweden
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- Svensson, Per H. (författare)
- RISE,Analys och fastfas,KTH Royal Institute of Technology, Sweden
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- Sun, Licheng (författare)
- KTH Royal Institute of Technology, Sweden; DUT Dalian University of Technology, China
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- Kloo, Lars (författare)
- KTH Royal Institute of Technology, Sweden
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(creator_code:org_t)
- 2016
- 2016
- Engelska.
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Ingår i: Journal of Materials Chemistry. - 0959-9428 .- 1364-5501. ; 4:38, s. 14550-14554
- Relaterad länk:
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https://ri.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A new redox couple, [Cu(bpye)2]+/2+, has been synthesized, and applied in dye-sensitized solar cells (DSSCs). Overall efficiencies of 9.0% at 1 sun and 9.9% at 0.5 sun were obtained, which are considerably higher than those obtained for cells containing the reference redox couple, [Co(bpy)3]2+/3+. These results represent a record for copper-based complex redox systems in liquid DSSCs. Fast dye regeneration, sluggish recombination loss processes, faster electron self-exchange reactions and suitable redox potentials are the main reasons for the observed increase in efficiency. In particular, the main disadvantage of cobalt complex-based redox couples, charge-transport problems, appears to be resolved by a change to copper complex redox couples. The results make copper complex-based redox couples very promising for further development of highly efficient DSSCs.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
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