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Synthesis of large area graphitic carbon nitride nanosheet by chemical vapor deposition

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Title
Synthesis of large area graphitic carbon nitride nanosheet by chemical vapor deposition
Author(s)
Wu, Qinke; Jeong, Taehwan; Kim, Seong Heon; Young Jae Song
Publication Date
2022-04
Journal
Journal of Alloys and Compounds, v.900
Publisher
Elsevier Ltd
Abstract
© 2021 Elsevier B.V. All rights reserved.The polymerization of graphitic carbon nitride (g-C3N4) into large single crystals has been particularly challenging. This study presents a quick and simple method to grow high quality two-dimensional graphitic carbon nitride nanosheets with a large domain size (up to 40 µm) on copper (Cu) foils. The chemical vapor deposition (CVD) method was used with melamine (C₃H₆N₆) as the source. Electron backscatter diffraction (EBSD) revealed that graphitic carbon nitride prefers a Cu(111) surface to a Cu(211) surface, which is consistent with the theoretical calculations. Moreover, it was demonstrated that the carrier gas is critical for the growth of graphitic carbon nitride. The use of noble Ar gas is recommended because it has a weaker etching effect compared to that of the more commonly used hydrogen (H2) gas. Furthermore, CVD-grown high-quality graphitic carbon nitride films can be easily transferred onto other substrates for various applications, such as photodetectors or metal-free photocatalysts.
URI
https://pr.ibs.re.kr/handle/8788114/11565
DOI
10.1016/j.jallcom.2021.163310
ISSN
0925-8388
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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