Oxygen Vacancies Promoted the Selective Photocatalytic Removal of NO with Blue TiO2 via Simultaneous Molecular Oxygen Activation and Photogenerated Hole Annihilation
National Key Research and Development Program of China [2016YFA0203000]; Natural Science Funds for Distinguished Young ScholarsNational Natural Science Foundation of China (NSFC)National Science Fund for Distinguished Young Scholars [21425728]; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21876058, 21477044]; 111 ProjectMinistry of Education, China - 111 Project [B17019]
机构署名：
本校为第一且通讯机构
院系归属：
化学学院
摘要：
Semiconductor photocatalytic technology has great potential for the removal of dilute gaseous NO in indoor and outdoor atmospheres but suffers from unsatisfactory NO-removal selectivity due to undesirable NO2 byproduct generation. In this study, we demonstrate that the 99% selectivity of photocatalytic NO oxidation toward nitrate can be achieved over blue TiO2 bearing oxygen vacancies (OVs) under visible-light irradiation. First-principles density functional theory calculation and experimental results suggested that the OVs of blue TiO2 with lo...
