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Issue 49, 2015
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Solution processed graphene–silicon Schottky junction solar cells

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Abstract

Here, surfactant-assisted exfoliated graphene (SAEG) has been used to make transparent conducting graphene films which for the first time were used to make SAEG–silicon Schottky junctions for photovoltaics. The graphene films were characterised using UV-Vis spectroscopy, Raman spectroscopy, atomic force microscopy and four point probe sheet resistance measurements. The effects of film thickness, thermal annealing and chemical doping of the graphene films on the power conversion efficiency (PCE) of the cells were investigated. Mild annealing of thickness optimised films resulted in a doubling of the PCE. Additionally, chemical doping resulted in a further 300% increase of the peak PCE. These results indicate that SAEG has the potential to compete with chemical vapour deposited graphene in graphene–silicon Schottky junction applications.

Graphical abstract: Solution processed graphene–silicon Schottky junction solar cells

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Publication details

The article was received on 06 Mar 2015, accepted on 20 Apr 2015 and first published on 20 Apr 2015


Article type: Paper
DOI: 10.1039/C5RA03965G
Citation: RSC Adv., 2015,5, 38851-38858
  • Open access: Creative Commons BY license
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    Solution processed graphene–silicon Schottky junction solar cells

    L. J. Larsen, C. J. Shearer, A. V. Ellis and J. G. Shapter, RSC Adv., 2015, 5, 38851
    DOI: 10.1039/C5RA03965G

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