【摘 要】
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Uniform SrMoO4 micro-octahedrons were synthesized by microwave heating method.The as-prepared products were characterized by several techniques.Results show
【机 构】
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State Key Laboratory of Materials-Orient Chemical Engineering,College of Materials Science and Engin
论文部分内容阅读
Uniform SrMoO4 micro-octahedrons were synthesized by microwave heating method.The as-prepared products were characterized by several techniques.Results showed that the reactant concentration and reaction time had crucial influence on the morphology of the products.The possible growth process of SrMoO4 octahedron was proposed based on the time-depended shape evolution,which followed Ostwald ripening,crystallization/dissolution,and re-crystallization.Eu3+-doped (1-20 mol%) SrMoO4 with octahedrons-like polyhedron was prepared under the same condition.The excitation spectrum of SrMoO4:Eu3+ was mainly consisted of three intense peaks of 305,393 and 463 nm.The characteristic red emission peaks at 612/615nm was ascribed to 5D0→7F2 transition of Eu3+ ions.The quenching concentration was found at~15 mol% doping of Eu3+.
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