Restrictive nanoreactor for growth of transition metal oxides (MnO2, Co3O4, NiO) nanocrystal with enhanced catalytic oxidation activity
Restrictive nanoreactor for growth of transition metal oxides (MnO2, Co3O4, NiO) nanocrystal with enhanced catalytic oxidation activity
复制标题
用于生长具有增强催化氧化活性的过渡金属氧化物(MnO2、Co3O4、NiO)纳米晶体的限制性纳米反应器
DOI:
10.1016/j.catcom.2015.09.034
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发表时间:
2015-12
影响因子:
3.7
通讯作者:
Chen Yunfa
中科院分区:
文献类型:
--
作者:
Tang Wenxiang;Deng Yuzhou;Li Wenhui;Li Shuangde;Wu Xiaofeng;Chen Yunfa
Metal oxides like MnO2, Co3O4and NiO were fabricated by controlling decomposition of metal salt precursor in the presence and absence of restrictive nanoreactor. The growth of oxide crystals was inhibited in restrictive space provided by hard template (nanocasting), which made the catalysts possess smaller crystal size, higher surface area and better low-temperature reducibility. Significantly, nanocasting-derived oxides (MnO2, Co3O4and NiO) performed much better for catalytic total oxidation of benzene with T90% at 289, 253 and 355 °C, which are 125, 41 and 61 °C lower than that over the general oxides prepared by direct calcination.
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