In situ assembly of monodispersed Ag nanoparticles in the channels of ordered mesopolymers as a highly active and reusable hydrogenation catalyst

2015 ◽  
Vol 3 (8) ◽  
pp. 4307-4313 ◽  
Author(s):  
Xianchun Liu ◽  
Renxi Jin ◽  
Dashu Chen ◽  
Lin Chen ◽  
Shuangxi Xing ◽  
...  

Monodispersed Ag nanoparticles were assembled in the channels of FDU-15 ordered mesopolymers by a simple in situ auto-reduction method and exhibited high catalytic performance in the reduction of 4-nitrophenol.

2019 ◽  
Vol 944 ◽  
pp. 671-677
Author(s):  
Jin Feng Leng ◽  
Kang Wang ◽  
Chang Peng Xia

In this work, the preparation of graphene by chemical oxidation reduction method and a series of chemical reactions to get graphene oxide, with the preparation of graphene composites by simply chemical reduction method for the preparation of palladium/graphene composites. Through the chemical reduction method, the small size of Pd nanoparticles is acquired by controlling the content of reducing agent. The Pd nanoparticles on graphene surface is 10nm size and evenly distributed. Pd2+ adsorption on graphene surface and in situ were partially reduced to Pd to Pd2+ nanoparticles by the reducibility of graphene. In the process, the graphene was reduced to graphene and the final compound was thinner and more transparent than the pre-experiment oxide. The oxygen-containing functional groups on the surface of the graphene have influence to the nucleation and growth of metal nanoparticles and KI can control the morphology and size of nanoparticles. The particle size and dispersion uniformity have great influence on the catalytic performance of composites, the smaller particles have better catalytic performance. Keywords:palladium, graphene composites, nanoparticles


Langmuir ◽  
2012 ◽  
Vol 28 (30) ◽  
pp. 11188-11194 ◽  
Author(s):  
Bihua Xia ◽  
Qianling Cui ◽  
Fang He ◽  
Lidong Li

2017 ◽  
Vol 5 (22) ◽  
pp. 11009-11015 ◽  
Author(s):  
Guofa Dong ◽  
Ming Fang ◽  
Jianshuo Zhang ◽  
Renjie Wei ◽  
Lei Shu ◽  
...  

An extremely simple in situ reactive dip-coating method is developed to prepare Ni–Fe based electrocatalysts with good catalytic performance on oxygen evolution comparable to those of state-of-the art precious catalysts.


RSC Advances ◽  
2019 ◽  
Vol 9 (38) ◽  
pp. 22045-22052 ◽  
Author(s):  
Yongcheng Ma ◽  
Guojun Lan ◽  
Xiaolong Wang ◽  
Geshan Zhang ◽  
Wenfeng Han ◽  
...  

A highly active and stable mesoporous Ba/Ru–N-MC catalyst for ammonia synthesis was prepared by an in situ thermal carbonization method with nitrogen co-doping with ruthenium NPs.


2015 ◽  
Vol 3 (32) ◽  
pp. 16663-16669 ◽  
Author(s):  
Heng Shen ◽  
Chunting Duan ◽  
Jing Guo ◽  
Ning Zhao ◽  
Jian Xu

Ag nanoparticles are in situ decorated on a BNNS modified with a TA–Fe complex, and the nanohybrids show excellent catalytic activity.


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