TiO2光催化剂在环境治理和能源开发方面具有广阔的应用前景,但其较宽的禁带宽度不能有效地利用太阳能,限制了它的应用范围.因此开发具有可见光响应的TiO2光催化剂将成为未来研究的主要方向.从染料敏化、半导体复合、金属离子和非金属离子掺杂等方面介绍了目前的研究现状,并对引入氧空位缺陷来改善其可见光催化活性进行了分析和展望.
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