Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 261, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2019.118233
Keywords
Single-site; Ni; Photocatalyst; Water-splitting
Funding
- National Natural Science Foundation of China [21676123, 21575052, U1732110]
- Natural Science Foundation of Jiangsu Province [BK20161127]
- Fundamental Research Funds for the Central Universities [JUSRP51623A]
- Opening Foundation of Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals from Shandong Normal University [ZDSYS-KF201504]
- MOE & SAFEA for the 111 Project [B13025]
- National First-class Discipline Program of Food Science and Technology [JUFSTR20180301]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX18_1815]
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Up to now, hydrogen production with a low-cost and efficient system driven by sunlight still remains a great challenge. Herein, atomically dispersed Ni modified CdS nanorods (NRs) hybrid photocatalyst (Ni-1/CdS) with Ni loading up to 2.85 wt% was prepared by a facile, rapid and scalable photochemical method. Under optimal conditions, the highest rate for H-2 evolution of Ni-1/CdS photocatalyst is 630.1 mmol g(-1) h(-1) under visible light, which is one of the most robust photocatalytic HER systems based on CdS currently. Furthermore, the Ni-1/CdS catalyst exhibits good stability and durability for hydrogen evolution reaction (HER) and outstanding photo catalytic activity under sunlight and aerobic conditions, indicating the great practical value of present reaction system. Density functional theory (DFT) calculations reveal that the introduction of single Ni atom on the CdS can improve the hydrogen binding energy and electronic properties, thus greatly boosting the photocatalytic H-2 production activity.
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