一种氮掺杂锐钛矿型纳米二氧化钛的制备方法

Production of nitrogen-doped anatase-type nanometer titanium dioxide

Abstract

本发明提供了一种氮掺杂锐钛矿型纳米二氧化钛的制备方法,属于二氧化钛粉体制备技术领域。采用水热合成法,将钛源、沉淀剂、掺杂氮源和水按一定比例混合制成混合溶液系统,然后转入带聚四氟乙烯内衬的高压釜中进行水热合成反应,最后经过醇洗、水洗至中性,经过干燥,得到锐钛矿型氮掺杂纳米二氧化钛粉体。水热合成条件为:温度为80℃~200℃,保温时间为:1~24小时,压力为0.1MPa~15MPa,搅拌速度200~1000转/分钟。本发明的优点在于:所制备纳米TiO
A process for preparing the nitrogen doped anatase-type TiO2 by hydrothermal synthesis includes such steps as proportionally mixing Ti source, precipitant, nitrogen source and water, loading in high-pressure reactor with teflon liner, hydrothermal reacting, alcohol washing, water washing, and drying.

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