三氧化二铋的制备方法及对有机污染物的光催化降解

Preparation of Bi_2O_3 and photocatalytic degradation of organic pollutants

在治理有机物污染环境的众多方法中,利用半导体的光催化降解技术是其中一种重要的方法。Bi_2O_3作为一种光催化材料,在环境保护、气体传感器、燃料电池、电子陶瓷、抗菌、助燃剂、光电材料、高温超导材料及电解质材料等领域,显露出了广阔的应用前景。当前,已研发出了多种制备Bi_2O_3的方法,每种方法制得的Bi_2O_3有其不同的结构特点,本文综述了Bi_2O_3的合成方法及应用。

Among the methods of governing organic pollutants in the environment, semiconductor photocatalyt- ic degradation technology is one of important methods.Bi2O3 as a kind of photocatalytic materials,opens a vast and applicable foreground in the aspects of environmental protection, gas sensor, fuel cells, anti-bacterial, electrolyte materials, photoelectric materials, electronic ceramics, high Tc superconductive materials and combustion-support- ing agent.Many manufacturing processes of Bi2O3 have been in the research and development.Bi2O3 with each preparation method has different structure characteristic, synthetic methods and application of Bi2O3 are reviewed in the paper.