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Ni2P active site ensembles tune electrocatalytic nitrate reduction selectivity.
Nishiwaki, Emily; Rice, Peter S; Kuo, Ding-Yuan; Dou, Florence Y; Pyka, Anthony; Reid, Bryce; Nguyen, Hao A; Stuve, Eric M; Raugei, Simone; Cossairt, Brandi M.
Afiliação
  • Nishiwaki E; Department of Chemistry, University of Washington, Seattle, WA 98195, USA. cossairt@uw.edu.
  • Rice PS; Pacific Northwest National Laboratory, Richland, Washington, WA 99352, USA.
  • Kuo DY; Department of Chemistry, University of Washington, Seattle, WA 98195, USA. cossairt@uw.edu.
  • Dou FY; Department of Chemistry, University of Washington, Seattle, WA 98195, USA. cossairt@uw.edu.
  • Pyka A; Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA.
  • Reid B; Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA.
  • Nguyen HA; Department of Chemistry, University of Washington, Seattle, WA 98195, USA. cossairt@uw.edu.
  • Stuve EM; Department of Chemical Engineering, University of Washington, Seattle, WA 98195, USA.
  • Raugei S; Pacific Northwest National Laboratory, Richland, Washington, WA 99352, USA.
  • Cossairt BM; Department of Chemistry, University of Washington, Seattle, WA 98195, USA. cossairt@uw.edu.
Chem Commun (Camb) ; 60(54): 6941-6944, 2024 Jul 02.
Article em En | MEDLINE | ID: mdl-38885011
ABSTRACT
We demonstrate that active site ensembles on transition metal phosphides tune the selectivity of the nitrate reduction reaction. Using Ni2P nanocrystals as a case study, we report a mechanism involving competitive co-adsorption of H* and NOx* intermediates. A near 100% faradaic efficiency for nitrate reduction over hydrogen evolution is observed at -0.4 V, while NH3 selectivity is maximized at -0.2 V vs. RHE.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Chem Commun (Camb) / Chem. commun. (Lond., 1996, Online) / Chemical communications (London. 1996. Online) Assunto da revista: QUIMICA Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Estados Unidos
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Chem Commun (Camb) / Chem. commun. (Lond., 1996, Online) / Chemical communications (London. 1996. Online) Assunto da revista: QUIMICA Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Estados Unidos