Electrochemical study of nitrobenzene reduction on galvanically replaced nanoscale Fe/Au particles

被引：39

作者：

Chen, Zhe ^{[1
]}

Wang, Zi ^{[1
]}

Wu, Deli ^{[1
]}

Ma, Luming ^{[1
]}

机构：

[1] Tongji Univ, Natl Engn Res Ctr Urban Pollut Control, Shanghai 200092, Peoples R China

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2011年 / 197卷

基金：

美国国家科学基金会;

关键词：

Galvanic replacement; Electrocatalyst; Nitrobenzene; Electrochemical reduction; CHEMICAL-PROPERTIES; WASTE-WATER; CARBON; DEGRADATION; TRANSITION; OXIDATION; CATALYSTS; ELECTRODE; METALS;

D O I：

10.1016/j.jhazmat.2011.09.054

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Nanoscale Fe/Au particles were fabricated on glassy carbon substrates by electrodeposition of Fe and the subsequent galvanic replacement with Au. The particles were characterized by scanning electron microscopy and transmission electron microscopy, and a hollow structure was found. The process and mechanism of electrochemical reduction of nitrobenzene on Fe/Au particles were studied by cyclic voltammetry and constant-potential electrolysis. The results showed that nanoscale Fe/Au particles exhibited higher catalytic activity than bulk gold for nitrobenzene reduction. Nitrobenzene reduction proceeded following different pathways with different electrolyte compositions. The removal rate of nitrobenzene on nanoscale Fe/Au particles was up to 97% with electrolysis within 120 min at -0.35 V in 0.1 M H(2)SO(4) and aniline was found to be the electrolysis product. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：424 / 429

页数：6

共 29 条

[1] Immobilization of nanoscale Fe0 in and on PVA microspheres for nitrobenzene reduction [J].

Bai, Xue ;

Ye, Zheng-Fang ;

Qu, Yan-Zhi ;

Li, Yan-Feng ;

Wang, Zhong-You .

JOURNAL OF HAZARDOUS MATERIALS, 2009, 172 (2-3) :1357-1364

[2] Electrochemical technologies in wastewater treatment [J].

Chen, GH .

SEPARATION AND PURIFICATION TECHNOLOGY, 2004, 38 (01) :11-41

[3] Monolayer bimetallic surfaces: Experimental and theoretical studies of trends in electronic and chemical properties [J].

Chen, Jingguang G. ;

Menning, Carl A. ;

Zellner, Michael B. .

SURFACE SCIENCE REPORTS, 2008, 63 (05) :201-254

[4] Adsorption, desorption and condensation of nitrobenzene solution from active carbon: A comparison of two cyclodextrins and two surfactants [J].

Chen, Ming ;

Cui, Lei ;

Li, Chunhui ;

Diao, Guowang .

JOURNAL OF HAZARDOUS MATERIALS, 2009, 162 (01) :23-28

[5] Bimetallic palladium catalysts: influence of the co-metal on the catalyst performance [J].

Coq, B ;

Figueras, F .

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2001, 173 (1-2) :117-134

[6] Stabilization of Fe-Pd bimetallic nanoparticles with sodium carboxymethyl cellulose for catalytic reduction of para-nitrochlorobenzene in water [J].

Dong, Tingting ;

Luo, Hanjin ;

Wang, Yiping ;

Hu, Bingjie ;

Chen, Hua .

DESALINATION, 2011, 271 (1-3) :11-19

[7] Large-scale, density functional theory-based screening of alloys for hydrogen evolution [J].

Greeley, Jeff ;

Norskov, Jens K. .

SURFACE SCIENCE, 2007, 601 (06) :1590-1598

[8] Facile fabrication of hollow Pt/Ag nanocomposites having enhanced catalytic properties [J].

Kim, Mee Rahn ;

Lee, Dong Ki ;

Jang, Du-Jeon .

APPLIED CATALYSIS B-ENVIRONMENTAL, 2011, 103 (1-2) :253-260

[9] Modification of the surface electronic and chemical properties of Pt(111) by subsurface 3d transition metals [J].

Kitchin, JR ;

Norskov, JK ;

Barteau, MA ;

Chen, JG .

JOURNAL OF CHEMICAL PHYSICS, 2004, 120 (21) :10240-10246

[10] Electrochemical reduction of nitrobenzene at carbon nanotube electrode [J].

Li, Yu-Ping ;

Cao, Hong-Bin ;

Liu, Chen-Ming ;

Zhang, Yi .

JOURNAL OF HAZARDOUS MATERIALS, 2007, 148 (1-2) :158-163

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