Low Temperature Synthesis of TiO2Nanoparticles with Tuneable Phase Composition and their Photocatalytic Activity

被引：1
作者：
Tan, Jeannie Z. Y. [1 ,2 ,4 ]
Nursam, Natalita M. [1 ,2 ,5 ]
Xia, Fang [2 ,3 ]
Wang, Xingdong [2 ]
Caruso, Rachel A. [1 ,2 ,6 ]
机构：
[1] Univ Melbourne, Sch Chem, Particulate Fluids Proc Ctr, Melbourne, Vic 3010, Australia
[2] Mfg Commonwealth Sci & Ind Res Org CSIRO, Clayton, Vic 3168, Australia
[3] Murdoch Univ, Coll Sci Hlth Engn & Educ, Chem & Phys, Murdoch, WA 6150, Australia
[4] Heriot Watt Univ, Res Ctr Carbon Solut RCCS, Edinburgh EH14 4AS, Midlothian, Scotland
[5] Indonesian Inst Sci, Res Ctr Elect & Telecommun, Jalan Sangkuriang Komplek,LIPI Bldg 20,Level 4, Bandung 40135, Indonesia
[6] RMIT Univ, Sch Sci, Appl Chem & Environm Sci, Melbourne, Vic 3000, Australia
来源：
AUSTRALIAN JOURNAL OF CHEMISTRY | 2020年 / 73卷 / 10期
基金：
澳大利亚研究理事会;
关键词：
TIO2; NANOPARTICLES; HYDROTHERMAL PREPARATION; ASSISTED SYNTHESIS; BROOKITE; TITANIA; ANATASE; RUTILE; PARTICLES; DIFFRACTION; POWDERS;
D O I：
10.1071/CH19531
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The effect of TiCl4 concentration on the phase transformations among the TiO2 polymorphs was studied using in situ powder X-ray diffraction and Raman spectroscopy. Interestingly, the primarily amorphous TiO2 solid obtained after thermolysis of TiCl4 at 808C contained some anatase and rutile phases for low (#18mM) and high ($27 mM) TiCl4 concentrations, respectively. These samples produced anatase or rutile dominated samples of TiO2 after hydrothermal treatment. The tricrystalline TiO2 sample fabricated with 18mMTiCl(4) solution showed the highest photocatalytic activity for the degradation of phenol, as a result of high surface area.
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收藏
页码：1020 / 1026
页数：7
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