Enhanced Stabilization and Effective Utilization of Atomic Hydrogen on Pd-In Nanoparticles in a Flow-through Electrode

	Enhanced Stabilization and Effective Utilization of Atomic Hydrogen on Pd-In Nanoparticles in a Flow-through Electrode
	Zhou, Yujun ; Zhang, Gong ; Ji, Qinghua; Zhang, Wei ; Zhang, Junyu ; Liu, Huijuan ; Qu, Jiuhui
	2019-10-01
Source Publication	ENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN	0013-936X
Volume	53 Issue:19 Pages:11383-11390
Abstract	Surface-adsorbed active species are intermediates with strong activities in heterogeneous catalytic reactions. Effective stabilization of these intermediates is crucial to improve the catalytic performance. Here, we demonstrated highly active bimetallic palladium- indium (Pd-In) nanoparticles (NPs) that can stabilize atomic H* on the surface and show efficient electrocatalytic reduction performance toward bromate. The optimal atomic ratio of Pd to In was investigated with the aim of efficient formation and strong stabilization of H, thus facilitating the reduction and decontamination of carcinogenic bromate. Pd2In3 was the most active catalyst, with a high rate constant of 0.029 min(-1), whereas the rate constant for monometallic Pd NPs was only 0.009 min(-1). Density functional theory calculations suggest that Pd2In3 NPs decrease the work function and provide strong H stabilization ability. By employing a flow-through electrode coated with Pd2In3 NPs to enhance the mass transport, the utilization of H* could be boosted and the reduction kinetics increased up to 7.5 times.
Department	中国科学院饮用水科学与技术重点实验室
Document Type	期刊论文
Identifier	http://ir.rcees.ac.cn/handle/311016/43456
Collection	中国科学院饮用水科学与技术重点实验室
Affiliation	1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China 2.Tsinghua Univ, Ctr Water & Ecol, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation GB/T 7714	Zhou, Yujun,Zhang, Gong,Ji, Qinghua,et al. Enhanced Stabilization and Effective Utilization of Atomic Hydrogen on Pd-In Nanoparticles in a Flow-through Electrode[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2019,53(19):11383-11390.
APA	Zhou, Yujun.,Zhang, Gong.,Ji, Qinghua.,Zhang, Wei.,Zhang, Junyu.,...&Qu, Jiuhui.(2019).Enhanced Stabilization and Effective Utilization of Atomic Hydrogen on Pd-In Nanoparticles in a Flow-through Electrode.ENVIRONMENTAL SCIENCE & TECHNOLOGY,53(19),11383-11390.
MLA	Zhou, Yujun,et al."Enhanced Stabilization and Effective Utilization of Atomic Hydrogen on Pd-In Nanoparticles in a Flow-through Electrode".ENVIRONMENTAL SCIENCE & TECHNOLOGY 53.19(2019):11383-11390.

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