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Oxygen Vacancy Engineering of Titania-Induced by Sr2+ Dopants for Visible-Light-Driven Hydrogen Evolution.
Gao, Lu-Sha; Zhang, Shi-Nan; Zou, Xiaoxin; Wang, Jingfeng; Su, Juan; Chen, Jie-Sheng.
Affiliation
  • Gao LS; School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
  • Zhang SN; School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
  • Zou X; State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China.
  • Wang J; School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
  • Su J; School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
  • Chen JS; School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
Inorg Chem ; 60(1): 32-36, 2021 Jan 04.
Article in En | MEDLINE | ID: mdl-33337138
A Sr2+-doping strategy is developed to engineer rich oxygen vacancies in porous titania for boosting visible-light-driven photocatalytic activity. The incorporation of strontium, with a larger atom radius than titanium, leads to the release of a lattice oxygen atom in the titania, causing the generation of an oxygen vacancy. The optimal Sr2+-doped titania sample with rich oxygen vacancies achieves a photocatalytic hydrogen production rate as high as 1092 µmol h-1 g-1, which is 4 and 16 times higher than the unmodified titania with less oxygen vacancies and the bench-marked P25, respectively.

Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Inorg Chem Year: 2021 Type: Article Affiliation country: China

Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Inorg Chem Year: 2021 Type: Article Affiliation country: China