Premium
Preparation of TiO 2 Nanosponge‐Supported Noble Metal Catalysts and Their Application to 4‐Nitrophenol Reduction and CO Oxidation
Author(s) -
Yang Man,
Liu Xianchun,
Li Yunfeng,
Yu Xiaodan,
Shi Zhan,
Xing Yan
Publication year - 2017
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201702388
Subject(s) - catalysis , 4 nitrophenol , noble metal , nanocomposite , chemical engineering , nanoparticle , chemistry , selective catalytic reduction , heterogeneous catalysis , metal , materials science , nanotechnology , organic chemistry , engineering
In this work, TiO 2 nanosponge, replication of a bio‐template by a sol–gel method was achieved with filter paper. High‐dispersed Au and Pt nanoparticles (NPs) with controllable size were immobilized on the surface of TiO 2 nanosponge, respectively. The obtained noble metal NPs/TiO 2 nanosponge composites were characterized by various techniques. Catalytic activity of the synthesized Au/TiO 2 nanocomposites was assessed by the reduction of 4‐nitrophenol (4‐NP), while the catalytic performance of the as‐synthesized Pt/TiO 2 nanosponge composites was evaluated by the CO oxidation reaction. Notably, the Au/TiO 2 and Pt/TiO 2 nanocomposites demonstrated a good catalytic activity and stability for the catalytic reduction of 4‐NP and the catalytic oxidation of CO, respectively.