Self‐assemble and in situ formation of Ni1 − xFexPS3 nanomosaic‐decorated MXene hybrids for overall water splitting
Herein, the authors present the development of novel 0D–2D nanohybrids consisting of a nickel-based bimetal phosphorus trisulfide (Ni1−xFexPS3) nanomosaic that decorates on the surface of MXene nanosheets (denoted as NFPS@MXene). The nanohybrids are obtained through a facile self-assemble process of...
| Main Authors: | , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
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2020
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| Online Access: | https://hdl.handle.net/10356/139261 |
| _version_ | 1811688386933555200 |
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| author | Du, Cheng-Feng Dinh, Khang Ngoc Liang, Qinghua Zheng, Yun Luo, Yubo Zhang, Jianli Yan, Qingyu |
| author2 | School of Materials Science & Engineering |
| author_facet | School of Materials Science & Engineering Du, Cheng-Feng Dinh, Khang Ngoc Liang, Qinghua Zheng, Yun Luo, Yubo Zhang, Jianli Yan, Qingyu |
| author_sort | Du, Cheng-Feng |
| collection | NTU |
| description | Herein, the authors present the development of novel 0D–2D nanohybrids consisting of a nickel-based bimetal phosphorus trisulfide (Ni1−xFexPS3) nanomosaic that decorates on the surface of MXene nanosheets (denoted as NFPS@MXene). The nanohybrids are obtained through a facile self-assemble process of transition metal layered double hydroxide (TMLDH) on MXene surface; followed by a low temperature in situ solid-state reaction step. By tuning the Ni:Fe ratio, the as-synthesized NFPS@MXene nanohybrids exhibit excellent activities when tested as electrocatalysts for overall water splitting. Particularly, with the initial Ni:Fe ratio of 7:3, the obtained Ni0.7Fe0.3PS3@MXene nanohybrid reveals low overpotential (282 mV) and Tafel slope (36.5 mV dec−1) for oxygen evolution reaction (OER) in 1 m KOH solution. Meanwhile, the Ni0.9Fe0.1PS3@MXene shows low overpotential (196 mV) for the hydrogen evolution reaction (HER) in 1 m KOH solution. When integrated for overall water splitting, the Ni0.7Fe0.3PS3@MXene || Ni0.9Fe0.1PS3@MXene couple shows a low onset potential of 1.42 V and needs only 1.65 V to reach a current density of 10 mA cm−2, which is better than the all noble metal IrO2 || Pt/C electrocatalyst (1.71 mV@10 mA cm−2). Given the chemical versatility of Ni1−xFexPS3 and the convenient self-assemble process, the nanohybrids demonstrated in this work are promising for energy conversion applications. |
| first_indexed | 2024-10-01T05:31:23Z |
| format | Journal Article |
| id | ntu-10356/139261 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T05:31:23Z |
| publishDate | 2020 |
| record_format | dspace |
| spelling | ntu-10356/1392612020-06-01T10:21:28Z Self‐assemble and in situ formation of Ni1 − xFexPS3 nanomosaic‐decorated MXene hybrids for overall water splitting Du, Cheng-Feng Dinh, Khang Ngoc Liang, Qinghua Zheng, Yun Luo, Yubo Zhang, Jianli Yan, Qingyu School of Materials Science & Engineering Engineering::Materials Metal Phosphorus Trisulfides MXene Herein, the authors present the development of novel 0D–2D nanohybrids consisting of a nickel-based bimetal phosphorus trisulfide (Ni1−xFexPS3) nanomosaic that decorates on the surface of MXene nanosheets (denoted as NFPS@MXene). The nanohybrids are obtained through a facile self-assemble process of transition metal layered double hydroxide (TMLDH) on MXene surface; followed by a low temperature in situ solid-state reaction step. By tuning the Ni:Fe ratio, the as-synthesized NFPS@MXene nanohybrids exhibit excellent activities when tested as electrocatalysts for overall water splitting. Particularly, with the initial Ni:Fe ratio of 7:3, the obtained Ni0.7Fe0.3PS3@MXene nanohybrid reveals low overpotential (282 mV) and Tafel slope (36.5 mV dec−1) for oxygen evolution reaction (OER) in 1 m KOH solution. Meanwhile, the Ni0.9Fe0.1PS3@MXene shows low overpotential (196 mV) for the hydrogen evolution reaction (HER) in 1 m KOH solution. When integrated for overall water splitting, the Ni0.7Fe0.3PS3@MXene || Ni0.9Fe0.1PS3@MXene couple shows a low onset potential of 1.42 V and needs only 1.65 V to reach a current density of 10 mA cm−2, which is better than the all noble metal IrO2 || Pt/C electrocatalyst (1.71 mV@10 mA cm−2). Given the chemical versatility of Ni1−xFexPS3 and the convenient self-assemble process, the nanohybrids demonstrated in this work are promising for energy conversion applications. NRF (Natl Research Foundation, S’pore) MOE (Min. of Education, S’pore) 2020-05-18T07:25:13Z 2020-05-18T07:25:13Z 2018 Journal Article Du, C.-F., Dinh, K. N., Liang, Q., Zheng, Y., Luo, Y., Zhang, J., & Yan, Q. (2018). Self‐assemble and in situ formation of Ni1 − xFexPS3 nanomosaic‐decorated MXene hybrids for overall water splitting. Advanced Energy Materials, 8(26), 1801127-. doi:10.1002/aenm.201801127 1614-6832 https://hdl.handle.net/10356/139261 10.1002/aenm.201801127 2-s2.0-85052476913 26 8 en Advanced Energy Materials © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved. |
| spellingShingle | Engineering::Materials Metal Phosphorus Trisulfides MXene Du, Cheng-Feng Dinh, Khang Ngoc Liang, Qinghua Zheng, Yun Luo, Yubo Zhang, Jianli Yan, Qingyu Self‐assemble and in situ formation of Ni1 − xFexPS3 nanomosaic‐decorated MXene hybrids for overall water splitting |
| title | Self‐assemble and in situ formation of Ni1 − xFexPS3 nanomosaic‐decorated MXene hybrids for overall water splitting |
| title_full | Self‐assemble and in situ formation of Ni1 − xFexPS3 nanomosaic‐decorated MXene hybrids for overall water splitting |
| title_fullStr | Self‐assemble and in situ formation of Ni1 − xFexPS3 nanomosaic‐decorated MXene hybrids for overall water splitting |
| title_full_unstemmed | Self‐assemble and in situ formation of Ni1 − xFexPS3 nanomosaic‐decorated MXene hybrids for overall water splitting |
| title_short | Self‐assemble and in situ formation of Ni1 − xFexPS3 nanomosaic‐decorated MXene hybrids for overall water splitting |
| title_sort | self assemble and in situ formation of ni1 xfexps3 nanomosaic decorated mxene hybrids for overall water splitting |
| topic | Engineering::Materials Metal Phosphorus Trisulfides MXene |
| url | https://hdl.handle.net/10356/139261 |
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