dc.contributor.author | Wu, Yutai | |
dc.contributor.author | Wang, Hui | |
dc.contributor.author | Ji, Shan | |
dc.contributor.author | Pollet, Bruno | |
dc.contributor.author | Wang, Xuyun | |
dc.contributor.author | Wang, Rongfang | |
dc.date.accessioned | 2021-09-23T07:03:28Z | |
dc.date.available | 2021-09-23T07:03:28Z | |
dc.date.created | 2020-05-16T16:21:51Z | |
dc.date.issued | 2020 | |
dc.identifier.citation | Nano Reseach. 2020, 13 (8), 2098-2105. | en_US |
dc.identifier.issn | 1998-0124 | |
dc.identifier.uri | https://hdl.handle.net/11250/2780632 | |
dc.description.abstract | Transitional metal phosphides with array-like structure grown on conductive support materials are promising bifunctional catalysts for the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). In this study, a method was developed to synthesize directly porous Ni2P nanosheet arrays and Ni2P nanoparticles onto nickel foam via a hydrothermal reaction followed by a phosphorization process. Mechanistic studies revealed that the allomorphs of Ni2P nanosheets and Ni2P nanoparticles in the array-like structure were formed via the Kirkendall effect and Ostwald ripening. A fully functional water electrolyzer containing Ni2P as electrodes for the OER and HER exhibited promising activity and stability. At 10 mA·cm−2, a Ni2P cell voltage of 1.63 V was obtained, which was only 0.05 V smaller than that found for Pt/C/NF||RuO2/NF cell. The enhanced electrocatalytic performance resulted from the favorable porosity of the Ni2P arrays and the synergistic effect between Ni2P nanosheets and Ni2P nanoparticles. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | Springer | en_US |
dc.title | Engineered porous Ni2P-nanoparticle/Ni2P-nanosheet arrays via the Kirkendall effect and Ostwald ripening towards efficient overall water splitting | en_US |
dc.type | Peer reviewed | en_US |
dc.type | Journal article | en_US |
dc.description.version | publishedVersion | en_US |
dc.rights.holder | This version of the article will not be available due to copyright restrictions by Springer | en_US |
dc.source.pagenumber | 2098-2105 | en_US |
dc.source.volume | 13 | en_US |
dc.source.journal | Nano Reseach | en_US |
dc.source.issue | 8 | en_US |
dc.identifier.doi | 10.1007/s12274-020-2816-7 | |
dc.identifier.cristin | 1811354 | |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 1 | |