Realizing optimal hydrogen evolution reaction properties via tuning phosphorous and transition metal interactions
Hydrogen is one of the most attractive renewables for future energy application, therefore it is vital to develop cost-effective and highly-efficient electrocatalysts for the hydrogen evolution reaction (HER) to promote the generation of hydrogen from mild methods. In this work, Co–Mo phosphide nano...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2020-10-01
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| Series: | Green Energy & Environment |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2468025720301096 |
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| author | Haishun Jiang Siyu Zhao Wenyao Li Tobias P. Neville Isil Akpinar Paul R. Shearing Dan J.L. Brett Guanjie He |
| author_facet | Haishun Jiang Siyu Zhao Wenyao Li Tobias P. Neville Isil Akpinar Paul R. Shearing Dan J.L. Brett Guanjie He |
| author_sort | Haishun Jiang |
| collection | DOAJ |
| description | Hydrogen is one of the most attractive renewables for future energy application, therefore it is vital to develop cost-effective and highly-efficient electrocatalysts for the hydrogen evolution reaction (HER) to promote the generation of hydrogen from mild methods. In this work, Co–Mo phosphide nanosheets with the adjustable ratio of Co and Mo were fabricated on carbon cloth by a facile hydrothermal-annealing method. Owing to the unique nanostructures, abundant active surfaces and small resistance were achieved. Excellent electrocatalytic performances are obtained, such as the small overpotential of ∼67.3 mV to realize a current density of 10 mA cm−2 and a Tafel slope of 69.9 mV dec−1. Rapid recovery of the current response under multistep chronoamperometry is realized and excellent stability retained after the CV test for 2000 cycles. The change of electronic states of different elements was carefully studied which suggested the optimal electrochemical performance can be realized by tuning phosphorous and metal interactions. |
| first_indexed | 2024-12-14T20:07:09Z |
| format | Article |
| id | doaj.art-642b32557d6447debac6768dd84b82bd |
| institution | Directory Open Access Journal |
| issn | 2468-0257 |
| language | English |
| last_indexed | 2024-12-14T20:07:09Z |
| publishDate | 2020-10-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Green Energy & Environment |
| spelling | doaj.art-642b32557d6447debac6768dd84b82bd2022-12-21T22:49:00ZengKeAi Communications Co., Ltd.Green Energy & Environment2468-02572020-10-0154506512Realizing optimal hydrogen evolution reaction properties via tuning phosphorous and transition metal interactionsHaishun Jiang0Siyu Zhao1Wenyao Li2Tobias P. Neville3Isil Akpinar4Paul R. Shearing5Dan J.L. Brett6Guanjie He7School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, 201620, ChinaElectrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, United KingdomSchool of Materials Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China; Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, United Kingdom; Corresponding authors. School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China.Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, United KingdomElectrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, United Kingdom; Faculty of Engineering, Environmental Engineering, Aksaray University, Aksaray, 68100, TurkeyElectrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, United KingdomElectrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, United Kingdom; Corresponding authors. School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China.Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, United Kingdom; School of Chemistry, University of Lincoln, Joseph Banks Laboratories, Green Lane, Lincoln, LN6 7DL, United Kingdom; Corresponding authors. School of Materials Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China.Hydrogen is one of the most attractive renewables for future energy application, therefore it is vital to develop cost-effective and highly-efficient electrocatalysts for the hydrogen evolution reaction (HER) to promote the generation of hydrogen from mild methods. In this work, Co–Mo phosphide nanosheets with the adjustable ratio of Co and Mo were fabricated on carbon cloth by a facile hydrothermal-annealing method. Owing to the unique nanostructures, abundant active surfaces and small resistance were achieved. Excellent electrocatalytic performances are obtained, such as the small overpotential of ∼67.3 mV to realize a current density of 10 mA cm−2 and a Tafel slope of 69.9 mV dec−1. Rapid recovery of the current response under multistep chronoamperometry is realized and excellent stability retained after the CV test for 2000 cycles. The change of electronic states of different elements was carefully studied which suggested the optimal electrochemical performance can be realized by tuning phosphorous and metal interactions.http://www.sciencedirect.com/science/article/pii/S2468025720301096Co-Mo PhosphideNanosheetsHydrogen evolution reactionMetal-phosphorous interactions |
| spellingShingle | Haishun Jiang Siyu Zhao Wenyao Li Tobias P. Neville Isil Akpinar Paul R. Shearing Dan J.L. Brett Guanjie He Realizing optimal hydrogen evolution reaction properties via tuning phosphorous and transition metal interactions Green Energy & Environment Co-Mo Phosphide Nanosheets Hydrogen evolution reaction Metal-phosphorous interactions |
| title | Realizing optimal hydrogen evolution reaction properties via tuning phosphorous and transition metal interactions |
| title_full | Realizing optimal hydrogen evolution reaction properties via tuning phosphorous and transition metal interactions |
| title_fullStr | Realizing optimal hydrogen evolution reaction properties via tuning phosphorous and transition metal interactions |
| title_full_unstemmed | Realizing optimal hydrogen evolution reaction properties via tuning phosphorous and transition metal interactions |
| title_short | Realizing optimal hydrogen evolution reaction properties via tuning phosphorous and transition metal interactions |
| title_sort | realizing optimal hydrogen evolution reaction properties via tuning phosphorous and transition metal interactions |
| topic | Co-Mo Phosphide Nanosheets Hydrogen evolution reaction Metal-phosphorous interactions |
| url | http://www.sciencedirect.com/science/article/pii/S2468025720301096 |
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