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Centimeter-long and large-scale micropatterns of reduced graphene oxide films : fabrication and sensing applications

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Centimeter-long and large-scale micropatterns of reduced graphene oxide films : fabrication and sensing applications

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dc.contributor.author He, Qiyuan
dc.contributor.author Sudibya, Herry Gunadi
dc.contributor.author Yin, Zongyou
dc.contributor.author Wu, Shixin
dc.contributor.author Li, Hai
dc.contributor.author Boey, Freddy Yin Chiang
dc.contributor.author Huang, Wei
dc.contributor.author Chen, Peng
dc.contributor.author Zhang, Hua
dc.date.accessioned 2012-09-24T08:03:45Z
dc.date.available 2012-09-24T08:03:45Z
dc.date.copyright 2010
dc.date.issued 2012-09-24
dc.identifier.citation He, Q., Sudibya, H. G., Yin, Z., Wu, S., Li, H., Boey, F. Y. C., et al. (2010). Centimeter-long and large-scale micropatterns of reduced graphene oxide films : fabrication and sensing applications. ACS Nano, 4(6), 3201-3208
dc.identifier.issn 1936-0851
dc.identifier.uri http://hdl.handle.net/10220/8628
dc.description.abstract Recently, the field-effect transistors (FETs) with graphene as the conducting channels have been used as a promising chemical and biological sensors. However, the lack of low cost and reliable and large-scale preparation of graphene films limits their applications. In this contribution, we report the fabrication of centimeter-long, ultrathin (1−3 nm), and electrically continuous micropatterns of highly uniform parallel arrays of reduced graphene oxide (rGO) films on various substrates including the flexible polyethylene terephthalate (PET) films by using the micromolding in capillary method. Compared to other methods for the fabrication of graphene patterns, our method is fast, facile, and substrate independent. In addition, we demonstrate that the nanoelectronic FETs based on our rGO patterns are able to label-freely detect the hormonal catecholamine molecules and their dynamic secretion from living cells.
dc.language.iso en
dc.relation.ispartofseries ACS nano
dc.rights © 2010 American Chemical Society.
dc.subject DRNTU::Engineering::Materials.
dc.title Centimeter-long and large-scale micropatterns of reduced graphene oxide films : fabrication and sensing applications
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1021/nn100780v

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