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Title: A general and facile method for preparation of large-scale reduced graphene oxide films with controlled structures
Authors: Bi, Hengchang
Wan, Shu
Cao, Xiehong
Wu, Xing
Zhou, Yilong
Yin, Kuibo
Su, Shi
Ma, Qinglang
Sindoro, Melinda
Zhu, Jingfang
Zhang, Zhuoran
Zhang, Hua
Sun, Litao
Keywords: Engineering::Materials
Issue Date: 2019
Source: Bi, H., Wan, S., Cao, X., Wu, X., Zhou, Y., Yin, K., Su, S., Ma, Q., Sindoro, M., Zhu, J., Zhang, Z., Zhang, H. & Sun, L. (2019). A general and facile method for preparation of large-scale reduced graphene oxide films with controlled structures. Carbon, 143, 162-171.
Project: MOE2014-T2-2-093
Journal: Carbon
Abstract: Graphene or reduced graphene oxide films (rGOFs) can be prepared by a number of methods including chemical vapor deposition (CVD), filtration, and spin-coating for a variety of applications. However, controlling their surface morphologies and microstructures to meet the requirements of specific applications is still a great challenge. Here, controlled microstructure of large-size rGOF with good electrical and thermal conductivities as well as high sorption ability is produced through a heating-assisted spray method. By simply tuning the heating temperature, the smooth surface and close-packed layered structure of rGOF can be changed to rough surface and porous structure. Impressively, the rapid preparation of rGOF with area as large as ∼216 cm2 in only 6 h has been successfully achieved, which is significant since normally it takes several days to prepare a rGOF with small area of ∼10 cm2 by using conventional filtration method. More importantly, our rGOFs show promising applications in oil sorption, supercapacitors, and thermally/electrically conductive films.
ISSN: 0008-6223
DOI: 10.1016/j.carbon.2018.11.007
Rights: © 2018 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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