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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Liang, Qinghua | en_US |
dc.contributor.author | Zhong, Lixiang | en_US |
dc.contributor.author | Du, Chengfeng | en_US |
dc.contributor.author | Luo, Yubo | en_US |
dc.contributor.author | Zheng, Yun | en_US |
dc.contributor.author | Li, Shuzhou | en_US |
dc.contributor.author | Yan, Qingyu | en_US |
dc.date.accessioned | 2020-05-20T06:35:09Z | - |
dc.date.available | 2020-05-20T06:35:09Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Liang, Q., Zhong, L., Du, C., Luo, Y., Zheng, Y., Li, S., & Yan, Q. (2018). Achieving highly efficient electrocatalytic oxygen evolution with ultrathin 2D Fe-doped nickel thiophosphate nanosheets. Nano Energy, 47, 257-265. doi:10.1016/j.nanoen.2018.02.048 | en_US |
dc.identifier.issn | 2211-2855 | en_US |
dc.identifier.uri | https://hdl.handle.net/10356/139578 | - |
dc.description.abstract | Exploring earth-abundant electrocatalysts to realize efficient oxygen evolution reaction (OER) is highly desired for developing sustainable electrochemical energy storage and conversion technologies. Herein, ultrathin single-crystalline Fe-doped nickel thiophosphate (NiPS3) nanosheets prepared in large scale by an easy solid-state method were demonstrated to be highly efficient OER electrocatalysts. The density functional theory (DFT) calculations reveal that the Fe-doping effectively decreases the energy barrier of OER path by reducing the binding of the oxygen-containing species on the surface of NiPS3. As such, the Fe-doped NiPS3 nanosheets show a low overpotential of 256 mV to reach a current density of 30 mA cm−2 and a small Tafel slope of 46 mV dec−1. To our knowledge, this is one of the best OER electrocatalysts in alkaline medium to date. The in-depth mechanism study demonstrates that the in-situ formed Fe-doped nickel oxides/hydroxides shell, resulting from the surface oxidation during the OER process, not only may serve as favorable electrocatalytic species but also improves the chemical stability of the Fe-doped NiPS3 in alkaline electrolyte. This work provides a new perspective for designing highly efficient OER electrocatalysts based on the ternary two-dimensional layered metal thiophosphates. | en_US |
dc.description.sponsorship | NRF (Natl Research Foundation, S’pore) | en_US |
dc.description.sponsorship | MOE (Min. of Education, S’pore) | en_US |
dc.language.iso | en | en_US |
dc.relation.ispartof | Nano Energy | en_US |
dc.rights | © 2018 Elsevier Ltd. All rights reserved. | en_US |
dc.subject | Engineering::Materials | en_US |
dc.title | Achieving highly efficient electrocatalytic oxygen evolution with ultrathin 2D Fe-doped nickel thiophosphate nanosheets | en_US |
dc.type | Journal Article | en |
dc.contributor.school | School of Materials Science & Engineering | en_US |
dc.identifier.doi | 10.1016/j.nanoen.2018.02.048 | - |
dc.identifier.scopus | 2-s2.0-85043363738 | - |
dc.identifier.volume | 47 | en_US |
dc.identifier.spage | 257 | en_US |
dc.identifier.epage | 265 | en_US |
dc.subject.keywords | 2D Nanomaterials | en_US |
dc.subject.keywords | NiPS3 Nanosheets | en_US |
item.fulltext | No Fulltext | - |
item.grantfulltext | none | - |
Appears in Collections: | MSE Journal Articles |
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