Haitao Zhao
Microwave-induced activation of additional active edge sites on the MoS₂ surface for enhanced Hgᴼ capture
Zhao, Haitao; Mu, Xueliang; Yang, Gang; Zheng, Chengheng; Sun, Chenggong; Gao, Xiang; Wu, Tao
Authors
Xueliang Mu
Gang Yang
Chengheng Zheng
Chenggong Sun
Xiang Gao
Tao Wu
Abstract
In recent years, significant effort has been made in the development of novel materials for the removal of mercury from coal-derived flue gas. In this research, microwave irradiation was adopted to induce the creation of additional active sites on the MoS₂ surface. The results showed that Hgᴼcapture efficiency of the adsorbent containing MoS₂ nanosheets being microwave treated was as high as 97%, while the sample prepared via conventional method only showed an efficiency of 94% in its first 180 min testing. After the adsorbent was treated by microwave irradiation for 3 more times, its mercury removal efficiency was still noticeably higher than that of the sample prepared via conventional method. Characterization of surface structure of the MoS₂ containing material together with DFT study further revealed that the (001) basal planes of MoS₂ crystal structure were cracked into (100) edge planes (with an angle of approximately 75◦) under microwave treatment, which subsequently resulted in the formation of additional active edge sites on the MoS₂ surface and led to the improved performance on Hgᴼ capture.
Citation
Zhao, H., Mu, X., Yang, G., Zheng, C., Sun, C., Gao, X., & Wu, T. (2017). Microwave-induced activation of additional active edge sites on the MoS₂ surface for enhanced Hgᴼ capture. Applied Surface Science, 420, 439-445. https://doi.org/10.1016/j.apsusc.2017.05.161
Journal Article Type | Article |
---|---|
Acceptance Date | May 18, 2017 |
Online Publication Date | May 22, 2017 |
Publication Date | 2017-10 |
Deposit Date | Jul 20, 2017 |
Publicly Available Date | Jul 20, 2017 |
Journal | Applied Surface Science |
Print ISSN | 0169-4332 |
Electronic ISSN | 0169-4332 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 420 |
Pages | 439-445 |
DOI | https://doi.org/10.1016/j.apsusc.2017.05.161 |
Keywords | MoS₂surface; Mercury capture; Microwave irradiation; Additional active edge site |
Public URL | https://nottingham-repository.worktribe.com/output/861569 |
Publisher URL | http://www.sciencedirect.com/science/article/pii/S0169433217315167?via%3Dihub |
Additional Information | This article is maintained by: Elsevier; Article Title: Microwave-induced activation of additional active edge sites on the MoS2 surface for enhanced Hg0 capture; Journal Title: Applied Surface Science; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.apsusc.2017.05.161; Content Type: article; Copyright: © 2017 Elsevier B.V. All rights reserved. |
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