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Single Cobalt Atom Anchored Black Phosphorous Nanosheets as an Effective Cocatalyst Promotes Photocatalysis
| Title: | Single Cobalt Atom Anchored Black Phosphorous Nanosheets as an Effective Cocatalyst Promotes Photocatalysis |
| Authors: | Ren, Xiaohui Browse this author | | Shi, Li Browse this author | | Li, Yunxiang Browse this author | | Song, Shuang Browse this author | | Wang, Qi Browse this author | | Luo, Shunqin Browse this author | | Ren, Long Browse this author | | Zhang, Hongwei Browse this author | | Izumi, Yasuo Browse this author | | Peng, Xinsheng Browse this author | | Philo, Davin Browse this author | | Ichihara, Fumihiko Browse this author | | Ye, Jinhua Browse this author →KAKEN DB |
| Keywords: | two-dimensional | | black phosphorus | | single atom | | photocatalysis |
| Issue Date: | 6-Aug-2020 |
| Publisher: | Wiley-Blackwell |
| Journal Title: | ChemCatChem |
| Volume: | 12 |
| Issue: | 15 |
| Start Page: | 3870 |
| End Page: | 3879 |
| Publisher DOI: | 10.1002/cctc.202000546 |
| Abstract: | Exploring novel cocatalysts with sufficient active sites and rapid photogenerated carrier separation remains challenge for boosting photocatalytic reactions. Recently, two-dimensional (2D) black phosphorus (BP) has been developed and recognized to be an ideal platform for anchoring metal ions through lone pair electrons. Herein, we propose a new structure that cobalt atomically dispersed on BP nanosheets (BP-Co), and apply it as cocatalyst for photocatalytic H-2 evolution and CO2 reduction under visible light (>420 nm) irradiation. Both scanning transmission electron microscope and X-ray absorption near edge structure verified the existence of phosphorous-coordinated Co sites. The interaction between Co and P brings greatly improvement on photocatalytic activities, and 18-fold enhancement can be achieved on CdS when taking BP-Co as a noble-metal-free cocatalyst for H-2 evolution, which is higher than that of Pt under the same conditions. Besides, BP-Co can also be used as an effective cocatalyst to promote photocatalytic CO2 reduction in the presence of photosensitizer [Ru(2, 2'-bipyridy)(3)]Cl-2 with a CO evolution rate of 88.6 mu mol h(-1), superior to those obtained from the state-of-the-art cocatalysts. It is anticipated that the current work might provide basic understanding as well as new opportunities on 2D BP nanosheets for versatile photocatalytic reactions. |
| Rights: | This is the peer reviewed version of the following article: X. Ren, L. Shi, Y. Li, S. Song, Q. Wang, S. Luo, L. Ren, H. Zhang, Y. Izumi, X. Peng, D. Philo, F. Ichihara, J. Ye, ChemCatChem 2020 , 12 , 3870. , which has been published in final form at https://doi.org/10.1002/cctc.202000546. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/82435 |
| Appears in Collections: | 総合化学院 (Graduate School of Chemical Sciences and Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 葉 金花
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