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Carbon-Tailored Sem...
Carbon-Tailored Semimetal MoP as an Efficient Hydrogen Evolution Electrocatalyst in Both Alkaline and Acid Media
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- Li, Guowei (författare)
- Max Planck Inst Chem Phys Solids, Germany
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- Sun, Yan (författare)
- Max Planck Inst Chem Phys Solids, Germany
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- Rao, Jiancun (författare)
- Univ Maryland, MD 20742 USA
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- Wu, Jiquan (författare)
- Linköpings universitet,Ytors Fysik och Kemi,Tekniska fakulteten
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- Kumar, Anil (författare)
- Univ Groningen, Netherlands
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- Xu, Qiu Nan (författare)
- Max Planck Inst Chem Phys Solids, Germany
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- Fu, Chenguang (författare)
- Max Planck Inst Chem Phys Solids, Germany
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- Liu, Enke (författare)
- Max Planck Inst Chem Phys Solids, Germany
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- Blake, Graeme R. (författare)
- Univ Groningen, Netherlands
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- Werner, Peter (författare)
- Max Planck Inst Microstruct Phys, Germany
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- Shao, Baiqi (författare)
- Chinese Acad Sci, Peoples R China
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- Liu, Kai (författare)
- Chinese Acad Sci, Peoples R China
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- Parkin, Stuart (författare)
- Max Planck Inst Microstruct Phys, Germany
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- Liu, Xianjie (författare)
- Linköpings universitet,Ytors Fysik och Kemi,Tekniska fakulteten
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- Fahlman, Mats (författare)
- Linköpings universitet,Ytors Fysik och Kemi,Tekniska fakulteten
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- Liou, Sz-Chian (författare)
- Univ Maryland, MD 20742 USA
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- Auffermann, Gudrun (författare)
- Max Planck Inst Chem Phys Solids, Germany
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- Zhang, Jian (författare)
- Tech Univ Dresden, Germany; Tech Univ Dresden, Germany
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- Felser, Claudia (författare)
- Max Planck Inst Chem Phys Solids, Germany
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- Feng, Xinliang (författare)
- Tech Univ Dresden, Germany; Tech Univ Dresden, Germany
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(creator_code:org_t)
- 2018-06-25
- 2018
- Engelska.
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Ingår i: Advanced Energy Materials. - : WILEY-V C H VERLAG GMBH. - 1614-6832 .- 1614-6840. ; 8:24
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The electrolysis processes such as hydrogen evolution reaction (HER) require high efficient catalysts with robust surface stability. A high conductivity is also necessary to speed up the charge transport between the catalyst and the electrolyte. Recently, the observation of exceedingly high conductivity in the topological semimetal MoP, has provided a model catalyst to investigate the correlation between the electrical transport and the electrocatalytic activity for the HER. Thus, MoP is encapsulated in a Mo, P codoped carbon layer (MoP@C). This composite material exhibits outstanding HER performance, with an extremely low overpotential of 49 mV at a current density of 10 mA cm(-2) and a Tafel slope of 54 mV dec(-1) in an alkaline medium. In addition, electron transport analysis indicates that MoP exhibits high conductivity and mobility due to the existence of triple-point fermions and a complex Fermi surface. Furthermore, the presence of P-C and Mo-C bonds at the interface between the carbon layer and the MoP particles modulates the band structure of MoP@C and facilitates fast electron transfer, accumulation, and subsequent delocalization, which are in turn responsible for the excellent HER activity.
Ämnesord
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
Nyckelord
- electrocatalysts; hydrogen evolution reaction; MoP; topological semimetals
Publikations- och innehållstyp
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- art (ämneskategori)
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Li, Guowei
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Sun, Yan
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Rao, Jiancun
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Wu, Jiquan
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Kumar, Anil
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Xu, Qiu Nan
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visa fler...
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Fu, Chenguang
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Liu, Enke
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Blake, Graeme R.
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Werner, Peter
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Shao, Baiqi
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Liu, Kai
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Parkin, Stuart
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Liu, Xianjie
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Fahlman, Mats
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Liou, Sz-Chian
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Auffermann, Gudr ...
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Zhang, Jian
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Felser, Claudia
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Feng, Xinliang
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