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Synthesis of visible light responsive ultrafine K4Ce2Nb10O30 by a stearic acid method
Authors:Haiqun CHEN  Junwu ZHU  Junxing MA  Kai PANG  Xiaoqiang SUN
Affiliation:Key Laboratory of Fine Chemical Engineering, Jiangsu Polytechnic University, Changzhou 213164, China;Materials Chemistry Laboratory, Nanjing University of Science and Technology, Nanfing 210094, China Materials Chemistry Laboratory, Nanjing University of Science and Technology, Nanfing 210094, China Materials Chemistry Laboratory, Nanjing University of Science and Technology, Nanfing 210094, China Key Laboratory of Fine Chemical Engineering, Jiangsu Polytechnic University, Changzhou 213164, China Key Laboratory of Fine Chemical Engineering, Jiangsu Polytechnic University, Changzhou 213164, China
Abstract:K4Ce2Nb10O30 ultrafine powders were prepared by stearic acid method (SAM). The obtained products were analyzed by X-ray diffraction, transmission electron microscopy, energy dispersive X-ray spectrometry, scanning electron microscopy and UV-visible absorption spectra. XRD patterns revealed that K4Ce2Nb10O30 powders treated at 900 °C for 2 h presented tetragonal structure without the presence of deleterious phases. Furthermore, the K4Ce2Nb10O30 prepared by SAM had considerable activity under visible light irradiation.
Keywords:K4Ce2Nb10O30  stcaric acid method  visible fight responding  rare earths
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