二氧化钛光催化剂用途很广,能够把多种有机污染物光催化降解为H2O和CO2,把溶液中的重金属离子还原为无毒的金属,把水分解为H2和O2并获取氢能,应用于太阳能电池把太阳能有效转换为化学能等.而阻碍其应用的是它的大禁带宽度不能有效地利用太阳光,因此研究开发对可见光响应的二氧化钛就成为当前光催化剂研究中的关键课题.简述了光催化剂的作用原理,并详细介绍了可见光响应型二氧化钛光催化剂目前的研究现状.
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