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Title: Centimeter-long and large-scale micropatterns of reduced graphene oxide films : fabrication and sensing applications
Authors: He, Qiyuan
Sudibya, Herry Gunadi
Yin, Zongyou
Wu, Shixin
Li, Hai
Boey, Freddy Yin Chiang
Huang, Wei
Chen, Peng
Zhang, Hua
Keywords: DRNTU::Engineering::Materials
Issue Date: 2010
Source: 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
Series/Report no.: ACS nano
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.
ISSN: 1936-0851
DOI: 10.1021/nn100780v
Rights: © 2010 American Chemical Society.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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