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Gradient Heating Epitaxial Growth Gives Well Lattice-Matched Mo2C-Mo2N Heterointerfaces that Boost Both Electrocatalytic Hydrogen Evolution and Water Vapor Splitting

Zhang, Youzi (författare)
Northwestern Polytech Univ, Ctr Nano Energy Mat, Sch Mat Sci & Engn, State Key Lab Solidificat Proc, Xian 710072, Peoples R China.
Guo, Peng (författare)
Northwestern Polytech Univ, Ctr Nano Energy Mat, Sch Mat Sci & Engn, State Key Lab Solidificat Proc, Xian 710072, Peoples R China.
Guo, Shaohui (författare)
Taiyuan Univ Technol, Coll Chem, Taiyuan 030024, Peoples R China.
visa fler...
Xin, Xu (författare)
Northwestern Polytech Univ, Ctr Nano Energy Mat, Sch Mat Sci & Engn, State Key Lab Solidificat Proc, Xian 710072, Peoples R China.
Wang, Yijin (författare)
Northwestern Polytech Univ, Ctr Nano Energy Mat, Sch Mat Sci & Engn, State Key Lab Solidificat Proc, Xian 710072, Peoples R China.
Huang, Wenjing (författare)
Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore.
Wang, Maohuai (författare)
City Univ Hong Kong, Dept Mat Sci & Engn, Hong Kong, Peoples R China.
Yang, Bowen (författare)
Uppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Sch Basic Sci, Inst Chem Sci & Engn, Lab Photomol Sci, CH-1015 Lausanne, Switzerland.
Sobrido, Ana Jorge (författare)
Queen Mary Univ London, Fac Sci & Engn, Sch Engn & Mat Sci, Mat Res Inst, Mile End Rd, London E1 4NS, England.
Ghasemi, Jahan B. (författare)
Univ Tehran, Dept Chem, Dist 6, Tehran, Iran.
Yu, Jiaguo (författare)
China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Peoples R China.
Li, Xuanhua (författare)
Northwestern Polytech Univ, Ctr Nano Energy Mat, Sch Mat Sci & Engn, State Key Lab Solidificat Proc, Xian 710072, Peoples R China.
visa färre...
Northwestern Polytech Univ, Ctr Nano Energy Mat, Sch Mat Sci & Engn, State Key Lab Solidificat Proc, Xian 710072, Peoples R China Taiyuan Univ Technol, Coll Chem, Taiyuan 030024, Peoples R China. (creator_code:org_t)
2022-10-25
2022
Engelska.
Ingår i: Angewandte Chemie International Edition. - : Wiley-Blackwell. - 1433-7851 .- 1521-3773. ; 61:47
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • An optimized approach to producing lattice-matched heterointerfaces for electrocatalytic hydrogen evolution has not yet been reported. Herein, we present the synthesis of lattice-matched Mo2C-Mo2N heterostructures using a gradient heating epitaxial growth method. The well lattice-matched heterointerface of Mo2C-Mo2N generates near-zero hydrogen-adsorption free energy and facilitates water dissociation in acid and alkaline media. The lattice-matched Mo2C-Mo2N heterostructures have low overpotentials of 73 mV and 80 mV at 10 mA cm(-2) in acid and alkaline solutions, respectively, comparable to commercial Pt/C. A novel photothermal-electrocatalytic water vapor splitting device using the lattice-matched Mo2C-Mo2N heterostructure as a hydrogen evolution electrocatalyst displays a competitive cell voltage for electrocatalytic water splitting.

Ämnesord

NATURVETENSKAP  -- Kemi -- Fysikalisk kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Physical Chemistry (hsv//eng)

Nyckelord

Heterointerfaces
Hydrogen Evolution
Lattice-Matched
Mo2C-Mo2N
Water Vapor Splitting

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