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Ba2+-doping introduced piezoelectricity and efficient Ultrasound-Triggered bactericidal activity of brookite TiO2 nanorods.
Han, Yijun; Zhang, Haoran; Yang, Ruihao; Yu, Xinyue; Marfavi, Zeinab; Lv, Quanjie; Zhang, Gengxin; Sun, Kang; Yuan, Congli; Tao, Ke.
Afiliación
  • Han Y; State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China.
  • Zhang H; Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China.
  • Yang R; State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China.
  • Yu X; State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China.
  • Marfavi Z; State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China.
  • Lv Q; State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China.
  • Zhang G; State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China.
  • Sun K; State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China.
  • Yuan C; Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China.
  • Tao K; State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China.
J Colloid Interface Sci ; 670: 742-750, 2024 Sep 15.
Article en En | MEDLINE | ID: mdl-38788441
ABSTRACT
Exploring highly efficient ultrasound-triggered catalysts is pivotal for various areas. Herein, we presented that Ba2+ doped brookite TiO2 nanorod (TiO2 Ba) with polarization-induced charge separation is a candidate. The replacement of Ba2+ for Ti4+ not only induced significant lattice distortion to induce polarization but also created oxygen vacancy defects for facilitating the charge separation, leading to high-efficiency reactive oxygen species (ROS) evolution in the piezo-catalytic processes. Furthermore, the piezocatalytic ability to degrade dye wastewater demonstrates a rate constant of 0.172 min-1 and achieves a 100 % antibacterial rate at a low dose for eliminating E. coli. This study advances that doping can induce piezoelectricity and reveals that lattice distortion-induced polarization and vacancy defects engineering can improve ROS production, which might impact applications such as water disinfection and sonodynamic therapy.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Titanio / Nanotubos / Escherichia coli / Antibacterianos Idioma: En Revista: J Colloid Interface Sci Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Titanio / Nanotubos / Escherichia coli / Antibacterianos Idioma: En Revista: J Colloid Interface Sci Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos