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Abstract:
In this study, AgBr/Ag2CO3 heterojunction photocatalysts were synthesized by an in situ growth method under different pH conditions. The crystal phases, microstructure, visible light absorption, and photocatalytic performance of AgBr/Ag2CO3 heterojunctions were characterized in detail. The results showed that AgBr/Ag2CO3 heterojunctions could enhance photocatalytic activity, compared with pure AgBr and Ag2CO3. In addition, pH conditions in the synthetic process cause a distinct change for photocatalytic activity of AgBr/Ag2CO3 heterojunctions because of the influence on the crystallinity. The AgBr/Ag2CO3 heterojunction synthesized at pH = 9 had the highest photocatalytic activity, and the degradation rate of rhodamine B (Rh B) solution was 98.93% within 20 min. Furthermore, the synthesis mechanism and photocatalytic mechanism were both analyzed.
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Source :
JOURNAL OF ELECTRONIC MATERIALS
ISSN: 0361-5235
Year: 2020
Issue: 5
Volume: 49
Page: 3301-3308
2 . 1 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:169
Cited Count:
WoS CC Cited Count: 5
SCOPUS Cited Count: 4
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 15
Affiliated Colleges: