Nonoxidative coupling of methane exhibits promising prospect in that it affords value-added hydrocarbons and hydrogen with high atom economy.However,challenge remains in direct,selective conversion of methane to more valuable hydrocarbons like olefins.The current work presents a catalyst with well-dispersed Ta atoms anchored by graphitic C3N4-supported phthalocyanine.Such a catalyst is able to convert methane selectively to ethylene and propylene at a relatively low temperature(350 ℃).The conception of the active center and construction of the catalyst have been described,and the origins of the catalytic performance are discussed.
Yunpeng Hou、Yuxiang Lan、Chao Qian、Shaodong Zhou
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College of Chemical and Biological Engineering,Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology,Zhejiang University,310027 Hangzhou,P.R.China
Zhejiang Provincial Innovation Center of Advanced Chemicals Technology,Institute of Zhejiang University-Quzhou,324000 Quzhou,P.R.China
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