Microwave-Assisted Vacuum Synthesis of TiO2 Nanocrystalline Powders in One-Pot, One-Step Procedure

被引：5

作者：

Paradisi, Enrico ^{[1
]}

Rosa, Roberto ^{[2
]}

Baldi, Giovanni ^{[3
]}

Dami, Valentina ^{[3
]}

Cioni, Andrea ^{[3
]}

Lorenzi, Giada ^{[3
]}

Leonelli, Cristina ^{[1
]}

机构：

[1] Univ Modena & Reggio Emilia, Dept Engn Enzo Ferrari DIEF, I-41125 Modena, Italy

[2] Univ Modena & Reggio Emilia, Dept Sci & Methods Engn, I-42122 Reggio Emilia, Italy

[3] Colorobbia Consulting SRL, CeRiCol Colorobbia Res Ctr, I-50059 Sovigliana Vinci, Italy

来源：

NANOMATERIALS | 2022年 / 12卷 / 01期

基金：

欧盟地平线“2020”;

关键词：

TiO2; nanoparticles; synthesis under vacuum; microwaves; sol-gel synthesis; PHOTOCATALYTIC ACTIVITY; TITANIUM-DIOXIDE; SURFACE-PROPERTIES; PROCESS INTENSIFICATION; NANOPARTICLES; ANATASE; DEGRADATION; NANOTUBES; CHEMISTRY; EVOLUTION;

D O I：

10.3390/nano12010149

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new method for fast and simple synthesis of crystalline TiO2 nanoparticles with photocatalytic activity was developed by carrying out a classic sol-gel reaction directly under vacuum. The use of microwaves for fast heating of the reaction medium further reduces synthesis times. When the solvent is completely removed by vacuum, the product is obtained in the form of a powder that can be easily redispersed in water to yield a stable nanoparticle suspension, exhibiting a comparable photocatalytic activity with respect to a commercial product. The present methodology can, therefore, be considered a process intensification procedure for the production of nanotitania.

引用

页数：15

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