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Facile large-scale synthesis of three-dimensional graphene-like ordered microporous carbon via ethylene carbonization in CaX zeolite template

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Title
Facile large-scale synthesis of three-dimensional graphene-like ordered microporous carbon via ethylene carbonization in CaX zeolite template
Author(s)
Kyoungsoo Kim; Yonghyun Kwon; Taekyoung Lee; Sung June Cho; Ryong Ryoo
Publication Date
2017-07
Journal
CARBON, v.118, no.2017, pp.517 - 523
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
Recently, our laboratory has developed a zeolite-templated synthesis route to microporous threedimensional (3D) graphene-like carbons via lanthanum-catalyzed carbonization of ethylene. In the present work, we optimized the ethylene carbonization conditions for a zeolite X template, using an inexpensive Ca2þ-ion catalyst instead of La3þ-ion catalyst. This synthesis gave a high carbon yield based on the template pore volume, and exhibited no significant amount of carbon deposition on the external surfaces. Single crystal X-ray diffraction analysis indicated that the carbon had 3D graphene- or nanotube-like frameworks along the surface of the zeolite pore walls, similar to the case of La3þ catalyst. With a 70-g batch of carbon synthesis, we demonstrated the potential of this synthesis route for largescale production that would bring about a wide range of practical applications. © 2017 Elsevier Ltd. All rights reserved
URI
https://pr.ibs.re.kr/handle/8788114/3417
ISSN
0008-6223
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
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