Journal of Inorganic Materials ›› 2018, Vol. 33 ›› Issue (10): 1136-1140.doi: 10.15541/jim20170532

Special Issue: 环境材料

• RESEARCH LETTER • Previous Articles     Next Articles

Anatase TiO2 Nanoparticles: Facile Synthesis via Non-aqueous Precipitation and Photocatalytic Property

Feng JIANG1,2(), Yun YU1(), Ai-Hu FENG1,2, Yang YU1, Le MI1, Li-Xin SONG1()   

  1. 1. Key Laboratory of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
    2. University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2017-11-13 Online:2018-10-20 Published:2018-09-25
  • About author:JIANG Feng (1990?), male, candidate of PhD. E-mail: 437432167@qq.com
  • Supported by:
    National Natural Science Foundation of China (51162013, 51362014, 51662019)

Abstract:

A facile strategy for anatase titanium dioxide (TiO2) nanoparticle preparation was proposed via a non-aqueous precipitation method. With the aid of glacial acetic acid, tetrabutyl titanate underwent non-hydrolytic reaction in solvent ethanol. Glacial acetic acid increased polarity of Ti-O and C-O bonds of tetrabutyl titanate, and promoted non-hydrolytic de-etherization poly condensation reaction to form Ti-O-Ti bond in the solvent. After refluxing at 80℃ for 24 h, the Ti-O-Ti bond was rearranged to form anatase TiO2 nanoparticles with the particle size of 5 nm-20 nm and specific surface area of 169.4 m2/g, which exhibited good dispersion and excellent photocatalytic activity. The degradation rate against methyl orange under ultraviolet radiation for 2 h reached 99.81%, showing promising prospect in wastewater treatment process.

Key words: TiO2, non-aqueous precipitation method, photocatalytic property, low temperature synthesis

CLC Number: 

  • TQ174