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Understanding nonin...
Understanding noninvasive charge transfer doping of graphene: a comparative study
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- Mehta, Ankit Nalin (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Mu, Wei, 1985 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Fingerprint Cards,Shanghai University
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- Murugesan, Murali, 1979 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,SHT Smart High-Tech AB
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- Jiao, Yang, 1985 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Fu, Yifeng, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hyldgaard, Per, 1964 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Liu, Johan, 1960 (author)
- Shanghai University,Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2018-02-08
- 2018
- English.
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In: Journal of Materials Science: Materials in Electronics. - : Springer Science and Business Media LLC. - 1573-482X .- 0957-4522. ; 29:7, s. 5239-5252
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Abstract
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- In this work, we systematically investigate and compare noninvasive doping of chemical vapor deposition graphene with three molecule dopants through spectroscopy and electrical conductivity techniques. Thionyl chloride shows the smallest improvement in conductivity with poor temporal and thermal stability and nitric acid induces the biggest sheet resistance reduction with modified stability. Molybdenum trioxide doping stands out, after thermal annealing, with both causing a significant sheet-resistance reduction and having superior temporal and thermal stability. These properties make it ideal for applications in advanced electronics. Theoretical studies based on the van der Waals density functional method suggest that cluster formation of molybdenum trioxide underpins the significant reduction in sheet resistance, and the stability, that arises after thermal annealing. Our comparative study clarifies charge transfer doping of graphene and brings understanding of the weak-interaction nature of such non-destructive doping of graphene. Our work also shows that we can use weak chemisorption to tailor the electronic properties of graphene, for example, to improve conductivity. This ability open up possibilities for further use of graphene in electronic interconnects, field effect transistors and other systems.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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- art (subject category)
- ref (subject category)
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- By the author/editor
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Mehta, Ankit Nal ...
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Mu, Wei, 1985
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Murugesan, Mural ...
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Jiao, Yang, 1985
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Fu, Yifeng, 1984
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Hyldgaard, Per, ...
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show more...
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Liu, Johan, 1960
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Inorganic Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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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 ...
- Articles in the publication
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Journal of Mater ...
- By the university
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Chalmers University of Technology