期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 46, 期 49, 页码 25175-25188出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2021.05.043
关键词
Laser ablation; Palladium nanoparticles; Hardystonite; Hydrogen storage; Cr(VI) reduction
资金
- Iranian Nano Council
- Bu-Ali Sina University
- University of Qom
In this study, a hardystonite/palladium nanocomposite was synthesized by laser ablation in liquid method and exhibited good catalytic performance for the hydrogen evolution reaction and reduction of organic pollutants in water, showing potential for practical applications.
In this work, the catalytic performance of hardystonite/palladium nanocomposite (HT/Pd) for hydrogen evolution reaction (HER) and reduction of organic pollutants in water has been studied. For this purpose, palladium nanoparticles (Pd NPs) were synthesized by laser ablation in liquid (LAL) method in different concentrations and decorated on hardystonite substrate using a simple method. HT/Pd nanocomposite was characterized using X-ray diffraction (XRD), Fourier transform infrared (FTIR), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), and Brunauer-Emmett-Teller (BET) analyses. The prepared nanocomposites were coated on a stainless steel mesh and their HER activity was investigated using cyclic voltammetry (CV). The results indicated that HT/Pd catalyst had good HER performance and capability of hydrogen storage. Moreover, HT/Pd nano composite with high surface area exhibited excellent catalytic activity in Cr(VI) reduction within 2.5 min. (c) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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