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Atomic-Scale Tuning...
Atomic-Scale Tuning of Graphene/Cubic SiC Schottky Junction for Stable Low-Bias Photoelectrochemical Solar-to-Fuel Conversion
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- Li, Hao (author)
- Linköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten
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- Shi, Yuchen (author)
- Linköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten
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- Shang, Huan (author)
- Central China Normal University (CCNU),Cent China Normal Univ, Peoples R China
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- Wang, Weimin (author)
- Linköpings universitet,Linköping University,Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Halvledarmaterial,Tekniska fakulteten,Max IV Lab, Sweden
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- Lu, Jun (author)
- Linköpings universitet,Linköping University,Tunnfilmsfysik,Tekniska fakulteten
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- Zakharov, Alexei A. (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Max IV Lab, Sweden
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- Hultman, Lars (author)
- Linköpings universitet,Linköping University,Tunnfilmsfysik,Tekniska fakulteten
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- Uhrberg, Roger (author)
- Linköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten
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- Syväjärvi, Mikael (author)
- Linköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten
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- Yakimova, Rositsa (author)
- Linköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten
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- Zhang, Lizhi (author)
- Central China Normal University (CCNU),Cent China Normal Univ, Peoples R China
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- Sun, Jianwu (author)
- Linköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten
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(creator_code:org_t)
- 2020-04-03
- 2020
- English 11 s.
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In: ACS Nano. - : American Chemical Society (ACS). - 1936-086X .- 1936-0851. ; 14:4, s. 4905-4915
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https://lup.lub.lu.s...
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Abstract
Subject headings
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- Engineering tunable graphene-semiconductor interfaces while simultaneously preserving the superior properties of graphene is critical to graphene-based devices for electronic, optoelectronic, biomedical, and photoelectrochemical applications. Here, we demonstrate this challenge can be surmounted by constructing an interesting atomic Schottky junction via epitaxial growth of high-quality and uniform graphene on cubic SiC (3C-SiC). By tailoring the graphene layers, the junction structure described herein exhibits an atomic-scale tunable Schottky junction with an inherent built-in electric field, making it a perfect prototype to systematically comprehend interfacial electronic properties and transport mechanisms. As a proof-of-concept study, the atomic-scale-tuned Schottky junction is demonstrated to promote both the separation and transport of charge carriers in a typical photoelectrochemical system for solar-to-fuel conversion under low bias. Simultaneously, the as-grown monolayer graphene with an extremely high conductivity protects the surface of 3C-SiC from photocorrosion and energetically delivers charge carriers to the loaded cocatalyst, achieving a synergetic enhancement of the catalytic stability and efficiency.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- CO2 reduction
- graphene
- photoelectrochemistry
- Schottky junction
- SiC
- SiC; graphene; Schottky junction; photoelectrochemishy; CO2 reduction
Publication and Content Type
- art (subject category)
- ref (subject category)
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ACS Nano
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- By the author/editor
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Li, Hao
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Shi, Yuchen
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Shang, Huan
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Wang, Weimin
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Lu, Jun
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Zakharov, Alexei ...
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show more...
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Hultman, Lars
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Uhrberg, Roger
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Syväjärvi, Mikae ...
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Yakimova, Rosits ...
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Zhang, Lizhi
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Sun, Jianwu
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
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ACS Nano
- By the university
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Lund University
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Linköping University