Direct catalytic oxidation of benzene to phenol over metal-free graphene-based catalyst
Direct catalytic oxidation of benzene to phenol over metal-free graphene-based catalyst
复制标题
无金属石墨烯基催化剂将苯直接催化氧化为苯酚
DOI:
10.1039/c3ee23623d
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发表时间:
2013-02
期刊:
影响因子:
--
通讯作者:
Ma, Ding
中科院分区:
文献类型:
--
作者:
Lu, Anhui;Lu, Anhui;Ma, Ding;Ma, Ding
We report an efficient, highly selective, and low temperature graphene-catalyzed reaction process for one-step oxidation of benzene to phenol with hydrogen peroxide as the oxidant. The chemically converted graphene (CCG) from small graphite was used as the catalyst. The conversion of benzene reaches 18%, with phenol being the sole product. The catalyst was reusable and very stable. By XPS, C K-edge X-ray absorption spectra, benzene-TPD, and kinetic measurements, it was concluded that the moderate H2O2 activation rate, good benzene adsorption ability, and balanced kinetic control over the oxidation reaction are responsible for the outstanding catalytic performance of the metal-free catalyst.
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