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  • Li, HaoLinköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten (author)

Atomic-Scale Tuning of Graphene/Cubic SiC Schottky Junction for Stable Low-Bias Photoelectrochemical Solar-to-Fuel Conversion

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-04-03
  • American Chemical Society (ACS),2020
  • 11 s.

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:062ff3dc-1664-4d26-8d4a-012968ebfdd6
  • https://lup.lub.lu.se/record/062ff3dc-1664-4d26-8d4a-012968ebfdd6URI
  • https://doi.org/10.1021/acsnano.0c00986DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-165945URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Funding Agencies|Swedish Research Council (Vetenskapsradet)Swedish Research Council [621-2014-5461, 2018-04670, 621-2014-5805, 2018-04962]; Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (FORMAS)Swedish Research Council Formas [2016-00559]; Swedish Foundation for International Cooperation in Research and Higher Education (STINT) [CH2016-6722]; AForsk foundation [16-399, 18-370]; Stiftelsen Olle Engkvist ByggmastareSwedish Research Council [189-0243]; Siftelsen for Strategisk Forskning [RMA15-0024]
  • 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 and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Shi, YuchenLinköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten(Swepub:liu)yucsh91 (author)
  • Shang, HuanCentral China Normal University (CCNU),Cent China Normal Univ, Peoples R China (author)
  • Wang, WeiminLinköpings universitet,Linköping University,Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Halvledarmaterial,Tekniska fakulteten,Max IV Lab, Sweden(Swepub:liu)weiwa49 (author)
  • Lu, JunLinköpings universitet,Linköping University,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)junlu07 (author)
  • Zakharov, Alexei A.Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Max IV Lab, Sweden(Swepub:lu)maxl-aza (author)
  • Hultman, LarsLinköpings universitet,Linköping University,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)larhu75 (author)
  • Uhrberg, RogerLinköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten(Swepub:liu)roguh04 (author)
  • Syväjärvi, MikaelLinköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten(Swepub:liu)miksy08 (author)
  • Yakimova, RositsaLinköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten(Swepub:liu)rosia15 (author)
  • Zhang, LizhiCentral China Normal University (CCNU),Cent China Normal Univ, Peoples R China (author)
  • Sun, JianwuLinköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten(Swepub:liu)jiasu75 (author)
  • Linköping UniversityHalvledarmaterial (creator_code:org_t)

Related titles

  • In:ACS Nano: American Chemical Society (ACS)14:4, s. 4905-49151936-086X1936-0851

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