Unlocking the Potential of Photoelectrochemical Water Splitting via Heterointerface Charge Polarization
Abstract The coupling of semiconductor (SC) and transition metal oxyhydroxide (TMOOH) is a promising approach for solar fuel production. However, the inevitable interfacial charge recombination and sluggish oxygen evolution reactions severely hinder the application of photoelectrochemical (PEC) devi...
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| Format: | Article |
| Language: | English |
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Wiley
2025-07-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202502384 |
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| author | Li Xu Xingming Ning Jingjing Quan Chenglong Li Lan Yao Qiang Weng Pei Chen Zhongwei An Xinbing Chen |
| author_facet | Li Xu Xingming Ning Jingjing Quan Chenglong Li Lan Yao Qiang Weng Pei Chen Zhongwei An Xinbing Chen |
| author_sort | Li Xu |
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| description | Abstract The coupling of semiconductor (SC) and transition metal oxyhydroxide (TMOOH) is a promising approach for solar fuel production. However, the inevitable interfacial charge recombination and sluggish oxygen evolution reactions severely hinder the application of photoelectrochemical (PEC) device. This study demonstrates an innovative charge polarization strategy that simultaneously enhances both long‐range charge transfer and surface catalytic reaction dynamics through the rational construction of CoOx/MnOx heterointerface in SC/TMOOH system. Kelvin probe force microscopy, in situ ultraviolet/visible spectroelectrochemistry, and density functional theory calculations indicate that the tunable charge polarization of Coδ− and Mnδ+ can affect influences the SC/TMOOH and TMOOH/electrolyte interfaces, primarily through inducing the accelerated charge transfer dynamics (Kh) and diminishing the adsorption of oxygen‐containing intermediates. As anticipated, the BiVO4/CoOx/MnOx/FeNiOOH exhibits an impressive photocurrent of 6.75 mA cm−2 at 1.23 VRHE, along with a superior photostability. Furthermore, the smart approach can also be harnessed in the BiVO4/CoOx/CeOx/FeNiOOH photoanode. This study provides a novel polarization strategy for the design of optimal photoanodes for PEC water splitting. |
| format | Article |
| id | doaj-art-186b4cf00ea2401385fb6b7572b6aa5f |
| institution | Kabale University |
| issn | 2198-3844 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj-art-186b4cf00ea2401385fb6b7572b6aa5f2025-08-20T03:36:57ZengWileyAdvanced Science2198-38442025-07-011226n/an/a10.1002/advs.202502384Unlocking the Potential of Photoelectrochemical Water Splitting via Heterointerface Charge PolarizationLi Xu0Xingming Ning1Jingjing Quan2Chenglong Li3Lan Yao4Qiang Weng5Pei Chen6Zhongwei An7Xinbing Chen8Key Laboratory of Applied Surface and Colloid Chemistry (MOE) Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Laboratory for Advanced Energy Technology International Joint Research Center of Shaanxi Province for Photoelectric Materials Science School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 P. R. ChinaKey Laboratory of Applied Surface and Colloid Chemistry (MOE) Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Laboratory for Advanced Energy Technology International Joint Research Center of Shaanxi Province for Photoelectric Materials Science School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 P. R. ChinaKey Laboratory of Applied Surface and Colloid Chemistry (MOE) Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Laboratory for Advanced Energy Technology International Joint Research Center of Shaanxi Province for Photoelectric Materials Science School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 P. R. ChinaKey Laboratory of Applied Surface and Colloid Chemistry (MOE) Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Laboratory for Advanced Energy Technology International Joint Research Center of Shaanxi Province for Photoelectric Materials Science School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 P. R. ChinaKey Laboratory of Applied Surface and Colloid Chemistry (MOE) Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Laboratory for Advanced Energy Technology International Joint Research Center of Shaanxi Province for Photoelectric Materials Science School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 P. R. ChinaKey Laboratory of Applied Surface and Colloid Chemistry (MOE) Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Laboratory for Advanced Energy Technology International Joint Research Center of Shaanxi Province for Photoelectric Materials Science School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 P. R. ChinaKey Laboratory of Applied Surface and Colloid Chemistry (MOE) Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Laboratory for Advanced Energy Technology International Joint Research Center of Shaanxi Province for Photoelectric Materials Science School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 P. R. ChinaKey Laboratory of Applied Surface and Colloid Chemistry (MOE) Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Laboratory for Advanced Energy Technology International Joint Research Center of Shaanxi Province for Photoelectric Materials Science School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 P. R. ChinaKey Laboratory of Applied Surface and Colloid Chemistry (MOE) Shaanxi Key Laboratory for Advanced Energy Devices Shaanxi Engineering Laboratory for Advanced Energy Technology International Joint Research Center of Shaanxi Province for Photoelectric Materials Science School of Materials Science and Engineering Shaanxi Normal University Xi'an 710119 P. R. ChinaAbstract The coupling of semiconductor (SC) and transition metal oxyhydroxide (TMOOH) is a promising approach for solar fuel production. However, the inevitable interfacial charge recombination and sluggish oxygen evolution reactions severely hinder the application of photoelectrochemical (PEC) device. This study demonstrates an innovative charge polarization strategy that simultaneously enhances both long‐range charge transfer and surface catalytic reaction dynamics through the rational construction of CoOx/MnOx heterointerface in SC/TMOOH system. Kelvin probe force microscopy, in situ ultraviolet/visible spectroelectrochemistry, and density functional theory calculations indicate that the tunable charge polarization of Coδ− and Mnδ+ can affect influences the SC/TMOOH and TMOOH/electrolyte interfaces, primarily through inducing the accelerated charge transfer dynamics (Kh) and diminishing the adsorption of oxygen‐containing intermediates. As anticipated, the BiVO4/CoOx/MnOx/FeNiOOH exhibits an impressive photocurrent of 6.75 mA cm−2 at 1.23 VRHE, along with a superior photostability. Furthermore, the smart approach can also be harnessed in the BiVO4/CoOx/CeOx/FeNiOOH photoanode. This study provides a novel polarization strategy for the design of optimal photoanodes for PEC water splitting.https://doi.org/10.1002/advs.202502384charge polarizationcharge transfer dynamicsheterointerfacein situ characterizationphotoelectrochemical water splitting |
| spellingShingle | Li Xu Xingming Ning Jingjing Quan Chenglong Li Lan Yao Qiang Weng Pei Chen Zhongwei An Xinbing Chen Unlocking the Potential of Photoelectrochemical Water Splitting via Heterointerface Charge Polarization Advanced Science charge polarization charge transfer dynamics heterointerface in situ characterization photoelectrochemical water splitting |
| title | Unlocking the Potential of Photoelectrochemical Water Splitting via Heterointerface Charge Polarization |
| title_full | Unlocking the Potential of Photoelectrochemical Water Splitting via Heterointerface Charge Polarization |
| title_fullStr | Unlocking the Potential of Photoelectrochemical Water Splitting via Heterointerface Charge Polarization |
| title_full_unstemmed | Unlocking the Potential of Photoelectrochemical Water Splitting via Heterointerface Charge Polarization |
| title_short | Unlocking the Potential of Photoelectrochemical Water Splitting via Heterointerface Charge Polarization |
| title_sort | unlocking the potential of photoelectrochemical water splitting via heterointerface charge polarization |
| topic | charge polarization charge transfer dynamics heterointerface in situ characterization photoelectrochemical water splitting |
| url | https://doi.org/10.1002/advs.202502384 |
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