Graphene oxide liquid crystals: a frontier 2D soft material for graphene-based functional materials

Chemical Society Reviews
Suchithra Padmajan SasikalaSang Ouk Kim

Abstract

Graphene, despite being the best known strong and electrical/thermal conductive material, has found limited success in practical applications, mostly due to difficulties in the formation of desired large-scale highly organized structures. Our discovery of a liquid crystalline phase formation in graphene oxide dispersion has enabled a broad spectrum of highly aligned graphene-based structures, including films, fibers, membranes, and mesoscale structures. In this review, the current understanding of the structure-property relationship of graphene oxide liquid crystals (GOLCs) is overviewed. Various synthetic methods and parameters that can be optimized for GOLC phase formation are highlighted. Along with the results from different characterization methods for the identification of the GOLC phases, the typical characteristics of different types of GOLC phases introduced so far, including nematic, lamellar and chiral phases, are carefully discussed. Finally, various interesting applications of GOLCs are outlined together with the future prospects for their further developments.

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Citations

Apr 4, 2020·Advanced Materials·Gyoung Hwa JeongSang Ouk Kim
Mar 15, 2020·Environmental Science and Pollution Research International·Rasidi Sule, Ajay Kumar Mishra
Sep 5, 2019·Nanoscale·Benjamin T HoganAnna Baldycheva
Nov 24, 2020·The European Physical Journal. Special Topics·Jon Otto Fossum
Jul 30, 2021·ACS Nano·Yul Hui ShimSo Youn Kim
Jul 30, 2020·ACS Central Science·Peining Chen, Huisheng Peng
Jul 30, 2020·ACS Central Science·Hong Ju JungSang Ouk Kim
Oct 30, 2018·ACS Applied Materials & Interfaces·Alexander SolodovAyrat M Dimiev
Nov 18, 2018·Journal of the American Chemical Society·Xiang WangTakuzo Aida
Jan 28, 2020·ACS Applied Materials & Interfaces·Sung Hyun NohTae Hee Han
Nov 9, 2021·Chemical Reviews·Zhiwei LiYadong Yin

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Methods Mentioned

BETA
X ray
scanning
transmission electron microscopy
X-ray
nuclear magnetic resonance
electron diffraction
Scanning electron microscopy
polarized optical microscopy
rheology
chemical treatments

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