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Issue 7, 2015
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Capping nanoparticles with graphene quantum dots for enhanced thermoelectric performance

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Abstract

Graphene quantum dots (GQDs) are shown to serve as phase transfer agents to transfer various types of nanoparticles (NPs) from non-polar to polar solvents. Thorough characterization of the NPs proves complete native ligand exchange. Pellets of this GQD–NP composite show that the GQDs limit the crystal size during spark plasma sintering, yielding enhanced thermoelectric performance compared with NPs exchanged with inorganic ions. A photoluminescence study of the GQD–NP composite also suggests energy transfer from GQDs to NPs.

Graphical abstract: Capping nanoparticles with graphene quantum dots for enhanced thermoelectric performance

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Publication details

The article was received on 12 Mar 2015, accepted on 13 Apr 2015 and first published on 13 Apr 2015


Article type: Edge Article
DOI: 10.1039/C5SC00910C
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Citation: Chem. Sci., 2015,6, 4103-4108
  • Open access: Creative Commons BY license
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    Capping nanoparticles with graphene quantum dots for enhanced thermoelectric performance

    Y. Liang, C. Lu, D. Ding, M. Zhao, D. Wang, C. Hu, J. Qiu, G. Xie and Z. Tang, Chem. Sci., 2015, 6, 4103
    DOI: 10.1039/C5SC00910C

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