Single Cobalt Atom Anchored Black Phosphorous Nanosheets as an Effective Cocatalyst Promotes Photocatalysis

Ren, Xiaohui; Shi, Li; Li, Yunxiang; Song, Shuang; Wang, Qi; Luo, Shunqin; Ren, Long; Zhang, Hongwei; Izumi, Yasuo; Peng, Xinsheng; Philo, Davin; Ichihara, Fumihiko; Ye, Jinhua

Single Cobalt Atom Anchored Black Phosphorous Nanosheets as an Effective Cocatalyst Promotes Photocatalysis

Ren, Xiaohui; Shi, Li; Li, Yunxiang et al.

ChemCatChem, 2020, 12(15), 3870-3879

Permalink : https://hdl.handle.net/2115/82435

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アクセス権	open access
URI	https://hdl.handle.net/2115/82435
タイトル	Single Cobalt Atom Anchored Black Phosphorous Nanosheets as an Effective Cocatalyst Promotes Photocatalysis
著者	Ren, Xiaohui ; Shi, Li ; Li, Yunxiang ; Song, Shuang ; Wang, Qi ; Luo, Shunqin ; Ren, Long ; Zhang, Hongwei ; Izumi, Yasuo ; Peng, Xinsheng ; Philo, Davin ; Ichihara, Fumihiko ; Ye, Jinhua
著者名 Ren, Xiaohui
著者名 Shi, Li
著者名 Li, Yunxiang
著者名 Song, Shuang
著者名 Wang, Qi
著者名 Luo, Shunqin
著者名 Ren, Long
著者名 Zhang, Hongwei
著者名 Izumi, Yasuo
著者名 Peng, Xinsheng
著者名 Philo, Davin
著者名 Ichihara, Fumihiko
e-Rad_Researcher 90230630 著者名 Ye, Jinhua
言語	英語
キーワード	two-dimensional
	black phosphorus
	single atom
	photocatalysis
発行日	2020-08-06
出版者	Wiley-Blackwell
収録物名	ChemCatChem
巻(号)	12(15)
ページ	3870-3879
抄録	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.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	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.
PISSN	1867-3880
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1002/cctc.202000546