Preparation and Characterization of Bi₂Ti₂O7 Pyrochlore by Acetone Solvothermal Method

Panjie Li; Caiyun Jiang; Qiong Wang; Kaichao Zuojiao; Zheng Zhang; Jiaxun Liu; Yuping Wang

doi:10.1166/jnn.2018.16410

Preparation and Characterization of Bi₂Ti₂O₇ Pyrochlore by Acetone Solvothermal Method

J Nanosci Nanotechnol. 2018 Dec 1;18(12):8360-8366. doi: 10.1166/jnn.2018.16410.

Authors

Panjie Li¹, Caiyun Jiang², Qiong Wang¹, Kaichao Zuojiao¹, Zheng Zhang¹, Jiaxun Liu¹, Yuping Wang¹

Affiliations

¹ School of Chemistry and Material Science, Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, Nanjing Normal University, Nanjing 210046, China.
² Department of Engineering and Technology, Jiangsu Institute of Commerce, Nanjing 211168, China.

PMID: 30189960
DOI: 10.1166/jnn.2018.16410

Abstract

In this study, we reported a novel synthesis route of Bi2Ti2O7 pyrochlore by acetone solvothermal method. The bismuth nitrate and tetrabutyl titanate were used as reactant, and acetone was used as solvent. XRD patterns showed that the pure Bi2Ti2O7 particles were synthesized when the molar ratio of Bi/Ti was between 0.4 and 0.8. The SEM showed that the Bi2Ti2O7 crystal was uniform spherical particles. The carboxylic acid produced in the reaction system may be the main factor of bismuth mineralization. Compared with TiO2, pure Bi2Ti2O7 photocatalyst exhibited superior photocatalytic activity for methyl orange (MO) and tetracycline hydrochloride (TC) under simulated solar light. The possible formation mechanism was proposed.