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Preparation of mesoporous carbon nitride structure by the dealloying of Ni/a-CN nanocomposite films
journal contribution
posted on 2020-04-01, 15:30 authored by Han Zhou, Yongqing Shen, Jie Huang, Bin Liao, Xianying Wu, Xu ZhangThe preparation of mesoporous carbon nitride (p-CN) structure by the selective dealloying process of Ni/a-CN nanocomposite films is investigated. The composition and structure of the Ni/a-CN nanocomposite films and porous carbon nitride (p-CN) films are determined by scan electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. Phase separated structure including nickel carbide phase and the surrounding amorphous carbon nitride (a-CN) matrix are detected for the as-deposited films. Though the bulk diffusion is introduced in the film during the annealing process, the grain sizes for the post-annealed films are around 10 nm and change little comparing with the ones of the as-deposited films, which is associated with the thermostability of the CN surrounding in the film. The p-CN skeleton with its pore size around 12.5 nm is formed by etching the post-annealed films, indicative of the stability of the phase separated structure during the annealing process.
Funding
National Natural Science Foundation of China under Grant No. 51171028
History
School
- Mechanical, Electrical and Manufacturing Engineering
Published in
Applied Surface ScienceVolume
440Pages
448 - 457Publisher
Elsevier BVVersion
- VoR (Version of Record)
Rights holder
© ElsevierPublisher statement
This paper was accepted for publication in the journal Applied Surface Science and the definitive published version is available at https://doi.org/10.1016/j.apsusc.2017.12.210.Acceptance date
2017-12-22Publication date
2018-01-08Copyright date
2018ISSN
0169-4332Publisher version
Language
- en
Depositor
Dr HAN ZHOU. Deposit date: 31 March 2020Usage metrics
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