A new compound Pt3Bi2S2 with superior performance for the hydrogen evolution reaction
The exploration of efficient electrocatalysts for the hydrogen evolution reaction (HER) is beneficial to obtain renewable clean energy. Herein, a new parkerite-type compound Pt3Bi2S2 was synthesized, constructed by [PtBi4S2] octahedra. The Bi 6p orbital electrons upshift the Pt 5d band to promote hy...
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| Veröffentlicht in: | Chemical communications (Cambridge, England) England), 2021-08, Vol.57 (64), p.7946-7949 |
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| container_title | Chemical communications (Cambridge, England) |
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| creator | Fang, Yuqiang Wang, Sishun Lin, Gaoxin Wang, Xin Huang, Fuqiang |
| description | The exploration of efficient electrocatalysts for the hydrogen evolution reaction (HER) is beneficial to obtain renewable clean energy. Herein, a new parkerite-type compound Pt3Bi2S2 was synthesized, constructed by [PtBi4S2] octahedra. The Bi 6p orbital electrons upshift the Pt 5d band to promote hydrogen adsorption. Moreover, the Bi–Pt orbital hybridization greatly improves the conductivity and accelerates the charge transfer during the electrocatalytic process. Hence, Pt3Bi2S2 exhibits a superior catalytic activity for the HER with a low overpotential of 61 mV (at j = 10 mA cm−2) and a Tafel slope of 51 mV dec−1. In addition, Pt3Bi2S2 has higher stability than commercial Pt/C. This work proposes a promising strategy for designing new excellent HER catalysts. |
| doi_str_mv | 10.1039/d1cc02741g |
| format | Article |
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Herein, a new parkerite-type compound Pt3Bi2S2 was synthesized, constructed by [PtBi4S2] octahedra. The Bi 6p orbital electrons upshift the Pt 5d band to promote hydrogen adsorption. Moreover, the Bi–Pt orbital hybridization greatly improves the conductivity and accelerates the charge transfer during the electrocatalytic process. Hence, Pt3Bi2S2 exhibits a superior catalytic activity for the HER with a low overpotential of 61 mV (at j = 10 mA cm−2) and a Tafel slope of 51 mV dec−1. In addition, Pt3Bi2S2 has higher stability than commercial Pt/C. This work proposes a promising strategy for designing new excellent HER catalysts.</description><identifier>ISSN: 1359-7345</identifier><identifier>EISSN: 1364-548X</identifier><identifier>DOI: 10.1039/d1cc02741g</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Catalytic activity ; Charge transfer ; Clean energy ; Crystallography ; Electrocatalysts ; Hydrogen evolution reactions</subject><ispartof>Chemical communications (Cambridge, England), 2021-08, Vol.57 (64), p.7946-7949</ispartof><rights>Copyright Royal Society of Chemistry 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Fang, Yuqiang</creatorcontrib><creatorcontrib>Wang, Sishun</creatorcontrib><creatorcontrib>Lin, Gaoxin</creatorcontrib><creatorcontrib>Wang, Xin</creatorcontrib><creatorcontrib>Huang, Fuqiang</creatorcontrib><title>A new compound Pt3Bi2S2 with superior performance for the hydrogen evolution reaction</title><title>Chemical communications (Cambridge, England)</title><description>The exploration of efficient electrocatalysts for the hydrogen evolution reaction (HER) is beneficial to obtain renewable clean energy. Herein, a new parkerite-type compound Pt3Bi2S2 was synthesized, constructed by [PtBi4S2] octahedra. The Bi 6p orbital electrons upshift the Pt 5d band to promote hydrogen adsorption. Moreover, the Bi–Pt orbital hybridization greatly improves the conductivity and accelerates the charge transfer during the electrocatalytic process. Hence, Pt3Bi2S2 exhibits a superior catalytic activity for the HER with a low overpotential of 61 mV (at j = 10 mA cm−2) and a Tafel slope of 51 mV dec−1. In addition, Pt3Bi2S2 has higher stability than commercial Pt/C. 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Herein, a new parkerite-type compound Pt3Bi2S2 was synthesized, constructed by [PtBi4S2] octahedra. The Bi 6p orbital electrons upshift the Pt 5d band to promote hydrogen adsorption. Moreover, the Bi–Pt orbital hybridization greatly improves the conductivity and accelerates the charge transfer during the electrocatalytic process. Hence, Pt3Bi2S2 exhibits a superior catalytic activity for the HER with a low overpotential of 61 mV (at j = 10 mA cm−2) and a Tafel slope of 51 mV dec−1. In addition, Pt3Bi2S2 has higher stability than commercial Pt/C. This work proposes a promising strategy for designing new excellent HER catalysts.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d1cc02741g</doi><tpages>4</tpages></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Catalytic activity Charge transfer Clean energy Crystallography Electrocatalysts Hydrogen evolution reactions |
| title | A new compound Pt3Bi2S2 with superior performance for the hydrogen evolution reaction |
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