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Highly efficient Ag2O/Bi2O2CO3p-n heterojunction photocatalysts with improved visible-light responsive activity
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Liang, Na, Wang, Min, Jin, Lun, Huang, Shoushuang, Chen, Wenlong, Xu, Miao, He, Qingquan, Zai, Jiantao, Fang, Nenghu and Qian, Xuefeng (2014) Highly efficient Ag2O/Bi2O2CO3p-n heterojunction photocatalysts with improved visible-light responsive activity. ACS Applied Materials & Interfaces, Volume 6 (Number 14). pp. 11698-11705. doi:10.1021/am502481z ISSN 1944-8244.
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Official URL: http://dx.doi.org/10.1021/am502481z
Abstract
Ag2O/Bi2O2CO3 p-n heterojunctions are prepared with commercial Bi2O2CO3 as precursor via a simple photosynthesis process. The obtained Ag2O/Bi2O2CO3 p-n heterojunctions show higher photocatalytic activity than that of pure n-Bi2O2CO3, and the obtained Ag2O/Bi2O2CO3 (AB-4) heterojunction exhibits the best photocatalytic activity under visible light (λ > 400 nm), with which Rhodamine B, methyl blue and methyl orange can be completely degraded within 12 min. Photoluminescent spectra and photoelectrochemical measurement further indicate that the Ag2O/Bi2O2CO3 p-n heterojunctions greatly enhance the charge generation and suppress the charge recombination of photogenerated electron–hole pairs, which would be beneficial to improve their photocatalytic activity.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||||||
Journal or Publication Title: | ACS Applied Materials & Interfaces | ||||||||
Publisher: | American Chemical Society | ||||||||
ISSN: | 1944-8244 | ||||||||
Official Date: | 23 July 2014 | ||||||||
Dates: |
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Volume: | Volume 6 | ||||||||
Number: | Number 14 | ||||||||
Page Range: | pp. 11698-11705 | ||||||||
DOI: | 10.1021/am502481z | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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