Photocatalytic properties of bismuth titanate Bi_(12)TiO_(20) prepared by co-precipitation processing

Shihong Xu; Wenfeng Shangguan; Jian Yuan; Jianwei Shi; Mingxia Chen

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Photocatalytic properties of bismuth titanate Bi_(12)TiO_(20) prepared by co-precipitation processing

机译：共沉淀法制备钛酸铋Bi_（12）TiO_（20）的光催化性能

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A visible-light-active photocatalyst Bi_(12)TiO_(20) with sillenite structure was prepared by a simple co-precipitation method. The spectrum of UV-vis absorption indicated that the absorption edge of the Bi_(12)TiO_(20) was at 450 nm, corresponding to the band gap energy of 2.75 eV. The prepared Bi_(12)TiO_(20) showed high photocatalytic activity for the degradation of phenol in water either under UV (300 nm < λ < 400 nm) or visible light (λ > 400nm) irradiation. The photodegradation experiments of phenol indicated that the prepared photocatalyst calcined at 550℃ had the best photocatalytic activity.

机译：采用简单的共沉淀法制备了具有亚硅酸盐结构的可见光活性光催化剂Bi_（12）TiO_（20）。 UV-vis吸收光谱表明Bi_（12）TiO_（20）的吸收边缘在450nm，对应于2.75eV的带隙能量。制备的Bi_（12）TiO_（20）在紫外（300 nm <λ<400 nm）或可见光（λ> 400nm）照射下对水中的苯酚降解均表现出较高的光催化活性。苯酚的光降解实验表明，所制得的550℃煅烧的光催化剂具有最佳的光催化活性。

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来源
《Materials Science and Engineering. B, Solid-State Materials for Advanced Technology》 |2007年第3期|p.108-111|共4页
作者
Shihong Xu; Wenfeng Shangguan; Jian Yuan; Jianwei Shi; Mingxia Chen;
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作者单位

Research Center for Combustion and Environment Technology, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China;

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正文语种 eng
中图分类工程材料学;
关键词
photocatalyst; visible-light-active; Bi_(12)TiO_(20); Co-precipitation;

机译：光催化剂;可见光活性;Bi_（12）TiO_（20）;共沉淀;

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专利

1. Photocatalytic property of bismuth titanate Bi_(12)TiO_(20) crystals [J] . W.Feng Yao, Hong Wang, X.Hong Xu, Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications . 2003,第1期

机译：钛酸铋Bi_（12）TiO_（20）晶体的光催化性能
2. Bi_(12)TiO_(20) nanocrystals prepared by electrochemical synthesis exhibit excellent photocatalytic ability under visible light [J] . Kaushik Chatterjee MRS bulletin . 2011,第7期

机译：通过电化学合成制备的Bi_（12）TiO_（20）纳米晶体在可见光下显示出优异的光催化能力
3. Study on visible light photocatalytic activity and mechanism of spherical Bi_(12)TiO_(20) nanoparticles prepared by low-power hydrothermal method [J] . Xiangqi Zhu, Jinlong Zhang, Feng Chen Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications . 2011,第1a2期

机译：低功率水热法制备球形Bi_（12）TiO_（20）纳米粒子的可见光光催化活性及机理研究
4. Effect of Erbium Ions Doping on the Properties and Photocatalytic Acitvity of Bi_(12)TiO_(20) [C] . Defu Bi, Dongdong Tan, Chengyu Ma, ICEEP 2012 . 2012

机译：铒离子掺杂对Bi_（12）至（20）的性能和光催化活性的影响
5. Processing and properties of bismuth sodium titanate-based piezoelectric ceramics for transducer applications. [D] . Herabut, Aree. 1997

机译：传感器应用钛酸铋钠基压电陶瓷的加工和性能。
6. Photocatalytic degradation of methylene blue under natural sunlight using iron titanate nanoparticles prepared by a modified sol–gel method [O] . Z. Z. Vasiljevic, M. P. Dojcinovic, J. D. Vujancevic, 2020

机译：用经修饰的溶胶 - 凝胶法制备的铁钛酸盐纳米粒子在自然阳光下的亚甲基蓝色的光催化降解
7. Cathodoluminescence and photoluminescence in the core region of Bi_(12)GeO_(20) and Bi_(12)SiO_(20) crystals [O] . Cremades Rodríguez Ana Isabel, Santos M. T., Remon A., 1996

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Photocatalytic properties of bismuth titanate Bi_(12)TiO_(20) prepared by co-precipitation processing

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