Preparation method of g-C3N4 quantum dot-loaded titanium dioxide nanoparticles

• Main Authors: XIE YU, GUO RUOBIN
• Format: Patent
• Language: Chinese; English
• Published: 12.10.2016
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention provides a preparation method of g-C3N4 quantum dot-loaded titanium dioxide nanoparticles; firstly, anatase titanium dioxide nanoparticles are prepared by a hydrothermal reaction method; then g-C3N4 quantum dots are added into the hydrothermal reaction of the titanium dioxide nanoparticles; with the titanium oxide nanoparticles as a matrix, and by controlling the mass ratio of the nanoparticles to the g-C3N4 quantum dots, the heterojunction composite material with excellent photocatalytic performance is obtained. Compared with conventional titanium dioxide materials, the composite material has excellent photocatalytic performance, and has good application prospects in the field of photocatalytic treatment of organic pollutants. 本发明提供了种g-CN量子点负载二氧化钛纳米颗粒的制备方法，采用水热反应法先制备出锐钛矿型二氧化钛纳米颗粒，然后将g-CN量子点加入到二氧化钛纳米颗粒的水热反应中，以二氧化钛纳米颗粒为基体，通过控制纳米颗粒与g-CN量子点的质量比，得到具有优异光催化性能的异质结复合材料。该复合材料相较于现有二氧化钛材料，具有优异的光催化性能，在光催化处理有机污染物领域具有很好的应用前景。