Publication: Facile preparation of graphene-metal phthalocyanine hybrid material by electrolytic exfoliation
Issued Date
2012-09-07
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ISSN
13645501
09599428
09599428
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2-s2.0-84865480931
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Materials Chemistry. Vol.22, No.33 (2012), 17094-17099
Suggested Citation
Johannes Philipp Mensing, Teerakiat Kerdcharoen, Chakrit Sriprachuabwong, Anurat Wisitsoraat, Ditsayut Phokharatkul, Tanom Lomas, Adisorn Tuantranont Facile preparation of graphene-metal phthalocyanine hybrid material by electrolytic exfoliation. Journal of Materials Chemistry. Vol.22, No.33 (2012), 17094-17099. doi:10.1039/c2jm32588h Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/13945
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Title
Facile preparation of graphene-metal phthalocyanine hybrid material by electrolytic exfoliation
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Abstract
In this article, we present a new, facile and efficient electrochemical method for the production of a stable aqueous dispersion of a graphene-metal phthalocyanine hybrid material. The material has been prepared by electrolytic exfoliation of graphite in an electrolyte containing copper phthalocyanine-3, 4′,4′′,4′′′-tetrasulfonic acid tetrasodium salt (TSCuPc). Single- and few-layer graphene sheets, decorated with metal phthalocyanine molecules, are generated during the electrolysis and stably dispersed in the electrolyte with no further chemical treatment. Scanning electron/atomic force microscopic characterization shows that the TSCuPc-graphene hybrid structure has a sharp-edged particle morphology with thicknesses ranging from 2 nm to 6 nm, corresponding to 1 to 6 graphene-stacked layers and largely varied lateral dimensions from a few tens to several hundreds of nanometers. In addition, Raman/FTIR/UV-Vis spectra and X-ray diffraction reveal characteristic peaks that suggest that the TSCuPc-graphene hybrid is formed by non-covalent π-π interactions between graphene sheets and metal phthalocyanine and indicate a high quality graphene hybrid structure that can potentially be used in practical applications. © The Royal Society of Chemistry 2012.