Tuning the size of photo-deposited metal nanoparticles via manipulating surface defect structures of TiO2 nanocrystals

Tuning the size of photo-deposited metal nanoparticles via manipulating surface defect structures of TiO2 nanocrystals

Here we report a new method for controlling photo-deposited metal nanoparticle size by manipulating surface defect structures of TiO2 nanocrystals. Our results demonstrate that the isolated oxygen vacancy could serve as an electron trapper while the oxygen vacancy cluster could act as an electron–ho...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2020-02, Vol.56 (13), p.1964-1967
Hauptverfasser: Zhou, Xian, Qian, Kun, Zhang, Yunshang, Li, Dan, Zeyue Wei, Wang, Huijuan, Ye, Run, Liu, Jiandang, Ye, Bangjiao, Huang, Weixin
Format: Artikel
Sprache:eng
Schlagworte:
Nanocrystals
Nanoparticles
Surface defects
Titanium dioxide
Vacancies
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Zusammenfassung:Here we report a new method for controlling photo-deposited metal nanoparticle size by manipulating surface defect structures of TiO2 nanocrystals. Our results demonstrate that the isolated oxygen vacancy could serve as an electron trapper while the oxygen vacancy cluster could act as an electron–hole recombination site in the photo-deposition process.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc09642f