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Low temperature hydrothermal synthesis of SrTiO3 nanoparticles without alkali and their effective photocatalytic activity

Low temperature hydrothermal synthesis of SrTiO3 nanoparticles without alkali and their effective photocatalytic activity
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摘要 SrTiO3 nanoparticle (NP) photocatalyst was synthesized with a facile and environmentalfriendly hydrothermal method using tetrabutyltitanate,strontium oxide,and ethanolamine as precursors at low temperature without alkali as mineralizer for the first time.The SrTiO3 nanoparticles were characterized by X-ray diffraction (XRD),transmission electron microscopy (TEM),field emission scanning electron microscopy (FESEM),and N2 Brunauer-Emmett-Teller (BET) method.The SrTiO3 catalyst synthesized at 120 ℃ (STO-120) exhibited the highest photocurrent intensity among the samples synthesized at different hydrothermal temperatures.The high photocatalytic performance of STO-120 was mainly attributed to the more homogeneous and minimum nanoparticle size,the highest surface area,and the maximum light absorption property among the four different samples.This work presented an applicable and facile method to fabricate a highly active and stable SrTiO3 photocatalyst for organic pollutant degradation.
出处 《Journal of Advanced Ceramics》 CSCD 2016年第4期298-307,共10页 先进陶瓷(英文)
基金 This work was financially supported by the National Natural Science Foundation of China,the Natural Science Foundation of Ningxia,the Research Project of Ningxia Colleges and Universities,the Research Project of Beifang University of Nationalities,the State Ethnic Affairs Commission Scientific Research Project of China

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