纳米TiO2作为一种功能型半导体材料,在光电转化和光催化领域有着广泛的用途.然而光响应范围窄、太阳光利用率低、光量子效率低等原因成为TiO2实际应用的瓶颈.对TiO2进行掺杂改性可以有效拓宽光响应范围、促使光生电荷有效分离以提高光量子效率、提高光催化剂的稳定性.介绍了TiO2掺杂前后的光催化作用机理,并综述了单一非金属元素掺杂和非金属元素与其他元素共掺杂的研究进展.
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