Synthesis of visible light responsive ultrafine K_4Ce_2Nb_(10)O_(30) by a stearic acid method
来源期刊：JOURNAL OF RARE EARTHS2009年第5期
论文作者：ZHU Junwu PANG Kai CHEN Haiqun SUN Xiaoqiang MA Junxing
Key words：K4Ce2Nb10O30; stcaric acid method; visible fight responding; rare earths;
Abstract: K_4Ce_2Nb_(10)O_(30) 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 absorp-tion spectra. XRD patterns revealed that K_4Ce_2Nb_(10)O_(30) powders treated at 900 ℃ for 2 h presented tetragonal structure without the presence of deleterious phases. Furthermore, the K_4Ce_2Nb_(10)O_(30) prepared by SAM had considerable activity under visible fight irradiation.
ZHU Junwu1，PANG Kai2，CHEN Haiqun2，SUN Xiaoqiang2，MA Junxing1
(1.Materials Chemistry Laboratory, Nanjing University of Science and Technology, Nanfing 210094, China;
2.Key Laboratory of Fine Chemical Engineering, Jiangsu Polytechnic University, Changzhou 213164, China)
Abstract:K_4Ce_2Nb_(10)O_(30) 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 absorp-tion spectra. XRD patterns revealed that K_4Ce_2Nb_(10)O_(30) powders treated at 900 ℃ for 2 h presented tetragonal structure without the presence of deleterious phases. Furthermore, the K_4Ce_2Nb_(10)O_(30) prepared by SAM had considerable activity under visible fight irradiation.
Key words:K4Ce2Nb10O30; stcaric acid method; visible fight responding; rare earths;
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