Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 8, Issue 7, Pages 4083-4090Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ta13724f
Keywords
-
Funding
- National Natural Science Foundation of China [21806194, 21503285]
- Key Scientific and Technological Project of Henan Province [172102210612]
Ask authors/readers for more resources
Semiconductor p-n junction engineering plays an indispensable role in developing highly efficient photocatalysts for energy conversion and environmental remediation. Herein, a novel AgI/Bi2Ga4O9 p-n junction photocatalyst is successfully constructed by an electrostatic self-assembly approach. Photoelectrochemical characterization together with density functional theory calculations shows that the formation of a p-n junction at the AgI/Bi2Ga4O9 interface favors separation and transfer of photogenerated charge carriers. The O-center dot(2)- generated by 25%-AgI/Bi2Ga4O9 reaches a concentration of 18.8 mu mol L-1 after 60 min of irradiation, which is 3.3 and 12.5 times higher than that generated by AgI and Bi2Ga4O9, providing 25%-AgI/Bi2Ga4O9 with greatly enhanced photocatalytic activity toward Acid Red 1 and metronidazole degradation. Our work provides a novel strategy for designing highly efficient photocatalysts for a wide range of energy and environmental applications.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available