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Ligand-induced control of photoconductive gain and doping in a hybrid graphene-quantum dot transistor
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Turyanska, Lyudmila, Makarovsky, Oleg, Svatek, Simon A., Beton, Peter H., Mellor, Christopher J., Patanè, Amalia, Eaves, Laurence, Thomas, Neil R., Fay, Michael W., Marsden, Alexander J. and Wilson, Neil R. (2015) Ligand-induced control of photoconductive gain and doping in a hybrid graphene-quantum dot transistor. Advanced Electronic Materials , 1 (7). 1500062. doi:10.1002/aelm.201500062 ISSN 2199-160X.
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Official URL: http://dx.doi.org/10.1002/aelm.201500062
Abstract
In graphene devices decorated with a layer of near‐infrared colloidal PbS quantum dots (QDs), the choice of the QD capping ligands and the integrity of the QD layer have a strong influence on the doping, carrier mobility, and photoresponse. By using short (<1 nm) capping ligands, the photoresponsivity of the graphene devices is enhanced up to 109 A W−1.
Item Type: | Journal Article | ||||||||||||
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Subjects: | Q Science > QC Physics | ||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||
Library of Congress Subject Headings (LCSH): | Graphene -- Electric properties, Nanostructured materials, Quantum dots | ||||||||||||
Journal or Publication Title: | Advanced Electronic Materials | ||||||||||||
Publisher: | Wiley-Blackwell Publishing Ltd. | ||||||||||||
ISSN: | 2199-160X | ||||||||||||
Official Date: | 15 July 2015 | ||||||||||||
Dates: |
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Volume: | 1 | ||||||||||||
Number: | 7 | ||||||||||||
Article Number: | 1500062 | ||||||||||||
DOI: | 10.1002/aelm.201500062 | ||||||||||||
Status: | Peer Reviewed | ||||||||||||
Publication Status: | Published | ||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||
Date of first compliant deposit: | 29 July 2019 | ||||||||||||
Date of first compliant Open Access: | 29 July 2019 | ||||||||||||
RIOXX Funder/Project Grant: |
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