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Regulating the Charge Migration in CuInSe(2)/N‐Doped Carbon Nanorod Arrays via Interfacial Engineering for Boosting Photoelectrochemical Water Splitting

Regulating the charge migration and separation in photoactive materials is a great challenge for developing photoelectrochemical (PEC) applications. Herein, inspired by capacitors, well‐defined CuInSe(2)/N‐doped carbon (CISe/N‐C) nanorod arrays are synthesized by Cu/In‐metal organic frame‐derived me...

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Autores principales: Wang, Cheng, Sun, Shengdong, Zhang, Hui, Zhang, Jun, Li, Chuanhao, Chen, Wei, Li, Shikuo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10288260/
https://www.ncbi.nlm.nih.gov/pubmed/37088791
http://dx.doi.org/10.1002/advs.202300034
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author Wang, Cheng
Sun, Shengdong
Zhang, Hui
Zhang, Jun
Li, Chuanhao
Chen, Wei
Li, Shikuo
author_facet Wang, Cheng
Sun, Shengdong
Zhang, Hui
Zhang, Jun
Li, Chuanhao
Chen, Wei
Li, Shikuo
author_sort Wang, Cheng
collection PubMed
description Regulating the charge migration and separation in photoactive materials is a great challenge for developing photoelectrochemical (PEC) applications. Herein, inspired by capacitors, well‐defined CuInSe(2)/N‐doped carbon (CISe/N‐C) nanorod arrays are synthesized by Cu/In‐metal organic frame‐derived method. Like the charge process of capacitor, the N‐doped carbon can capture the photogenerated electron of CISe, and the strong interfacial coupling between CISe and N‐doped carbon can modulate the charge migration and separation. The optimized the CISe/N‐C photoanode achieves a maximum photocurrent of 4.28 mA cm(−2) at 1.23 V versus reversible hydrogen electrode (RHE) in neutral electrolyte solution under AM 1.5 G simulated sunlight (100 mW cm(‐2)), which is 8.4 times higher than that of the CuInSe(2) photoanode (0.51 mA cm(‐2)). And a benefit of the strong electronic coupling between CISe and N‐doped carbon, the charge transfer rate is increased to 1.3–13 times higher than that of CISe in the range of 0.6–1.1 V versus RHE. The interfacial coupling effects on modulating the carrier transfer dynamics are investigated by Kelvin probe force microscopy analysis and density functional theory calculation. This work provides new insights into bulk phase carrier modulation to improve the performance of photoanode for PEC water splitting.
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spelling pubmed-102882602023-06-24 Regulating the Charge Migration in CuInSe(2)/N‐Doped Carbon Nanorod Arrays via Interfacial Engineering for Boosting Photoelectrochemical Water Splitting Wang, Cheng Sun, Shengdong Zhang, Hui Zhang, Jun Li, Chuanhao Chen, Wei Li, Shikuo Adv Sci (Weinh) Research Articles Regulating the charge migration and separation in photoactive materials is a great challenge for developing photoelectrochemical (PEC) applications. Herein, inspired by capacitors, well‐defined CuInSe(2)/N‐doped carbon (CISe/N‐C) nanorod arrays are synthesized by Cu/In‐metal organic frame‐derived method. Like the charge process of capacitor, the N‐doped carbon can capture the photogenerated electron of CISe, and the strong interfacial coupling between CISe and N‐doped carbon can modulate the charge migration and separation. The optimized the CISe/N‐C photoanode achieves a maximum photocurrent of 4.28 mA cm(−2) at 1.23 V versus reversible hydrogen electrode (RHE) in neutral electrolyte solution under AM 1.5 G simulated sunlight (100 mW cm(‐2)), which is 8.4 times higher than that of the CuInSe(2) photoanode (0.51 mA cm(‐2)). And a benefit of the strong electronic coupling between CISe and N‐doped carbon, the charge transfer rate is increased to 1.3–13 times higher than that of CISe in the range of 0.6–1.1 V versus RHE. The interfacial coupling effects on modulating the carrier transfer dynamics are investigated by Kelvin probe force microscopy analysis and density functional theory calculation. This work provides new insights into bulk phase carrier modulation to improve the performance of photoanode for PEC water splitting. John Wiley and Sons Inc. 2023-04-23 /pmc/articles/PMC10288260/ /pubmed/37088791 http://dx.doi.org/10.1002/advs.202300034 Text en © 2023 The Authors. Advanced Science published by Wiley‐VCH GmbH https://creativecommons.org/licenses/by/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Articles
Wang, Cheng
Sun, Shengdong
Zhang, Hui
Zhang, Jun
Li, Chuanhao
Chen, Wei
Li, Shikuo
Regulating the Charge Migration in CuInSe(2)/N‐Doped Carbon Nanorod Arrays via Interfacial Engineering for Boosting Photoelectrochemical Water Splitting
title Regulating the Charge Migration in CuInSe(2)/N‐Doped Carbon Nanorod Arrays via Interfacial Engineering for Boosting Photoelectrochemical Water Splitting
title_full Regulating the Charge Migration in CuInSe(2)/N‐Doped Carbon Nanorod Arrays via Interfacial Engineering for Boosting Photoelectrochemical Water Splitting
title_fullStr Regulating the Charge Migration in CuInSe(2)/N‐Doped Carbon Nanorod Arrays via Interfacial Engineering for Boosting Photoelectrochemical Water Splitting
title_full_unstemmed Regulating the Charge Migration in CuInSe(2)/N‐Doped Carbon Nanorod Arrays via Interfacial Engineering for Boosting Photoelectrochemical Water Splitting
title_short Regulating the Charge Migration in CuInSe(2)/N‐Doped Carbon Nanorod Arrays via Interfacial Engineering for Boosting Photoelectrochemical Water Splitting
title_sort regulating the charge migration in cuinse(2)/n‐doped carbon nanorod arrays via interfacial engineering for boosting photoelectrochemical water splitting
topic Research Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10288260/
https://www.ncbi.nlm.nih.gov/pubmed/37088791
http://dx.doi.org/10.1002/advs.202300034
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