Highly flexible and bendable carbon nanosheets as transparent conducting electrodes for organic solar cells

We synthesized highly flexible carbon nanosheets (CNSs) as transparent conducting electrodes (TCEs) suitable for flexible organic solar cells (OSCs). The flexible electrodes were obtained by transferring CNSs, which were synthesized on recyclable silicon wafers using a catalyst-free process, onto a...

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Bibliographic Details
Published in:Carbon (New York) 2015-01, Vol.81, p.546-551
Main Authors: Son, Su-Young, Yun, Jin-Mun, Noh, Yong-Jin, Lee, Sungho, Jo, Hae-Na, Na, Seok-In, Joh, Han-Ik
Format: Article
Language:English
Subjects:
Applied sciences
Carbon
Conduction
Electrodes
Energy
Exact sciences and technology
Graphene
Nanostructure
Natural energy
Photovoltaic cells
Photovoltaic conversion
Silicon substrates
Solar cells
Solar cells. Photoelectrochemical cells
Solar energy
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Summary:We synthesized highly flexible carbon nanosheets (CNSs) as transparent conducting electrodes (TCEs) suitable for flexible organic solar cells (OSCs). The flexible electrodes were obtained by transferring CNSs, which were synthesized on recyclable silicon wafers using a catalyst-free process, onto a polyethylene terephthalate substrate. The TCEs exhibited a sheet resistance of ∼2.5kohm/sq. and a transmittance of 61% even after 200 bending cycles, leading to a high power conversion efficiency of approximately ∼1.33%, which is very high compared to that of flexible OSCs composed of pristine graphene generated by chemical vapor deposition or chemical exfoliation methods.
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2014.09.089