Ultraclean transfer of CVD-grown graphene and its application to flexible organic photovoltaic cells

We demonstrate a PMMA reverse transfer method, where a PMMA/graphene bilayer was reversely transferred onto target substrates, to better control both contamination and crack formation relative to conventional approaches. Based on this novel transfer process, the graphene sheet resistance was greatly...

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Bibliographic Details
Published in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2014-11, Vol.2 (48), p.20474-20480
Main Authors: An, Cheng Jin, Kim, Seon Joon, Choi, Hyung Ouk, Kim, Dae Woo, Jang, Sung Woo, Jin, Ming Liang, Park, Jong-Min, Choi, Jong Kil, Jung, Hee-Tae
Format: Article
Language:English
Subjects:
Cracks
Electrical resistivity
Graphene
Photovoltaic cells
Polymethyl methacrylates
Solar cells
Sustainability
Transmittance
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Summary:We demonstrate a PMMA reverse transfer method, where a PMMA/graphene bilayer was reversely transferred onto target substrates, to better control both contamination and crack formation relative to conventional approaches. Based on this novel transfer process, the graphene sheet resistance was greatly reduced by about 50% at the same transmittance, exhibiting similar to 200% higher efficiency when applied in a solar cell as the anode.
ISSN:2050-7488
2050-7496
DOI:10.1039/c4ta03432e