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Remarkable synergy of borate and interfacial hole transporter on BiVO4 photoanodes for photoelectrochemical water oxidation

Meng, Qijun, 1990- (författare)
KTH,Organisk kemi,Glykovetenskap,Department of Chemistry;KTH Royal Institute of Technology;10044 Stockholm;Sweden,Licheng Sun
Zhang, Biaobiao (författare)
Center of Artificial Photosynthesis for Solar Fuels;School of Science;Westlake University;310024 Hangzhou;China
Yang, Hao (författare)
Department of Chemistry;KTH Royal Institute of Technology;10044 Stockholm;Sweden
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Liu, Chang (författare)
State Key Laboratory of Fine Chemicals;Institute of Artificial Photosynthesis;DUT-KTH Joint Education and Research Center on Molecular Devices;Dalian University of Technology (DUT);116024 Dalian
Li, Yingzheng (författare)
State Key Laboratory of Fine Chemicals;Institute of Artificial Photosynthesis;DUT-KTH Joint Education and Research Center on Molecular Devices;Dalian University of Technology (DUT);116024 Dalian
Kravchenko, Oleksandr (författare)
KTH,Organisk kemi,Department of Chemistry;KTH Royal Institute of Technology;10044 Stockholm;Sweden
Sheng, Xia (författare)
Department of Chemistry;KTH Royal Institute of Technology;10044 Stockholm;Sweden
Fan, Lizhou (författare)
KTH,Organisk kemi,Department of Chemistry;KTH Royal Institute of Technology;10044 Stockholm;Sweden
Li, Fusheng (författare)
State Key Laboratory of Fine Chemicals;Institute of Artificial Photosynthesis;DUT-KTH Joint Education and Research Center on Molecular Devices;Dalian University of Technology (DUT);116024 Dalian
Sun, Licheng, 1962- (författare)
KTH,Organisk kemi,Department of Chemistry;KTH Royal Institute of Technology;10044 Stockholm;Sweden;Center of Artificial Photosynthesis for Solar Fuels
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 (creator_code:org_t)
2021
2021
Engelska.
Ingår i: Materials Advances. - : Royal Society of Chemistry (RSC). - 2633-5409. ; 2:13, s. 4323-4332
Relaterad länk:
https://doi.org/10.1...
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https://pubs.rsc.org...
https://urn.kb.se/re...
https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Bismuth vanadate (BiVO4) is one of the most fascinating building blocks for the design and assembly of highly efficient artificial photosynthesis devices for solar water splitting. Our recent report has shown that borate treated BiVO4 (B-BiVO4) results in an improved water oxidation performance. In this study, further improvement of both the photoelectrochemical (PEC) activity and stability of B-BiVO4 was successfully achieved by introducing NiFeV LDHs as an oxygen evolution catalyst and interfacial hole transporter. Benefiting from the synergistic effect of co-catalyst and borate pretreatment, the as-prepared NiFeV/B-BiVO4 exhibited a high photocurrent density of 4.6 mA cm−2 at 1.23 VRHE and an outstanding onset potential of ∼0.2 VRHE with good long-term stability. More importantly, NiFeV was found to play a pivotal role in the critically efficient suppression of charge combination on the BiVO4 surface and acceleration of charge transfer rather than a mere electrocatalyst for water oxidation.

Ämnesord

NATURVETENSKAP  -- Kemi -- Materialkemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Materials Chemistry (hsv//eng)

Nyckelord

Kemi
Chemistry

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