Green synthesis of Pd/RGO/Fe3O4 nanocomposite using Withania coagulans leaf extract and its application as magnetically separable and reusable catalyst for the reduction of 4-nitrophenol

被引：226
作者：
Atarod, Monireh [1 ]
Nasrollahzadeh, Mahmoud [1 ]
Sajadi, S. Mohammad [2 ]
机构：
[1] Univ Qom, Dept Chem, Fac Sci, Qom 37185359, Iran
[2] Soran Univ, Dept Petr Geosci, Fac Sci, Soran, Kurdistan Regio, Iraq
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2016年 / 465卷
关键词：
Withania coagulans; Pd/RGO/Fe3O4; NaBH4; 4-Nitrophenol; Water; COPPER-FREE SONOGASHIRA; PALLADIUM NANOPARTICLES; RECYCLABLE CATALYST; EFFICIENT CATALYST; COUPLING REACTION; GOLD NANOPARTICLES; AU NANOPARTICLES; AQUEOUS EXTRACT; NITRO-COMPOUNDS; GRAPHENE OXIDE;
D O I：
10.1016/j.jcis.2015.11.060
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A reduced graphene oxide (RGO)/Fe3O4 based nanocomposite with palladium nanoparticles (Pd NPs) has been synthesized via a green route by Withania coagulans leaf extract as a reducing and stabilizing agent and its catalytic activity has been tested for the reduction of 4-nitrophenol (4-NP) in water at room temperature. The hydroxyl groups of phenolics in W. coagulans leaf extract is directly responsible for the reduction of Pd2+, Fe3+ ions and GO. The nanocomposite was characterized by X-ray diffraction (XRD), fourier transformed infrared (FT-IR) spectroscopy, field emission scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDS), Vibrating sample magnetometer (VSM) and transmission electron microscopy (TEM). Furthermore, due to the magnetic separability and high stability of the composite the catalyst can be recovered and recycled several times without marked loss of activity. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码：249 / 258
页数：10
相关论文
共 70 条
[1]   Polyacrylamide/guar gum graft copolymer for preparation of silver nanoparticles [J].
Abdel-Halim, E. S. ;
El-Rafie, M. H. ;
Al-Deyab, Salem S. .
CARBOHYDRATE POLYMERS, 2011, 85 (03) :692-697
[2]   Euphorbia heterophylla leaf extract mediated green synthesis of Ag/TiO2 nanocomposite and investigation of its excellent catalytic activity for reduction of variety of dyes in water [J].
Atarod, Monireh ;
Nasrollahzadeh, Mahmoud ;
Sajadi, S. Mohammad .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2016, 462 :272-279
[3]  
Bhat S.V., 2005, Chemistry of Natural Products, P585
[4]   Surfactant-free synthesis of CuNi nanocrystals and their application for catalytic reduction of 4-nitrophenol [J].
Borah, Biraj Jyoti ;
Bharali, Pankaj .
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2014, 390 :29-36
[5]   Water-Dispersible Magnetite-Reduced Graphene Oxide Composites for Arsenic Removal [J].
Chandra, Vimlesh ;
Park, Jaesung ;
Chun, Young ;
Lee, Jung Woo ;
Hwang, In-Chul ;
Kim, Kwang S. .
ACS NANO, 2010, 4 (07) :3979-3986
[6]  
[陈庆春 Chen Qingchun], 2005, [精细化工, Fine Chemicals], V22, P417
[7]   AuPd bimetallic nanoparticles decorated on graphene nanosheets: their green synthesis, growth mechanism and high catalytic ability in 4-nitrophenol reduction [J].
Chen, Xiaomei ;
Cai, Zhixiong ;
Chen, Xi ;
Oyama, Munetaka .
JOURNAL OF MATERIALS CHEMISTRY A, 2014, 2 (16) :5668-5674
[8]   Nanoparticle-Containing Membranes for the Catalytic Reduction of Nitroaromatic Compounds [J].
Dotzauer, David A. ;
Bhattacharjee, Somnath ;
Wen, Ya ;
Bruening, Merlin L. .
LANGMUIR, 2009, 25 (03) :1865-1871
[9]   Preparation of Copper Nanoparticles and Catalytic Properties for the Reduction of Aromatic Nitro Compounds [J].
Duan, Zhongyu ;
Ma, Guoli ;
Zhang, Wenjun .
BULLETIN OF THE KOREAN CHEMICAL SOCIETY, 2012, 33 (12) :4003-4006
[10]   Tansy fruit mediated greener synthesis of silver and gold nanoparticles [J].
Dubey, Shashi Prabha ;
Lahtinen, Manu ;
Sillanpaa, Mika .
PROCESS BIOCHEMISTRY, 2010, 45 (07) :1065-1071
1234567