Novel 3d Multi-Layered Carbon Nitride/Indium Sulfide Heterostructure for Boosted Superoxide Anion Radical Generation and Enhanced Photocatalysis Under Visible Light
SSRN, ISSN: 1556-5068
2022
- 1Citations
- 153Usage
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Article Description
Superoxide anion radical (⚫O2-) plays an important role in the selective photocatalytic degradation of recalcitrant organic pollutants in a complex aquatic environment. However, the yield of ⚫O2- is low due to the low charge utilization and limited visible light absorption. Here, we built a novel there-dimension (3D) multi-layered CNIS (carbon nitride/ indium sulfide) heterostructure via a facile molecular self-assembly route, in which morphological engineering and heterostructure construction were synergistically used. Results showed that the ordered sheet-to-sheet architecture of 3D multi-layered CNIS heterostructure with strong anisotropy accelerated exciton dissociation and provided abundant diffusion channels. Additionally, the formation of the heterostructure between CN and In2S3 via the possible In-N significantly shifted the conduction band minimum (CBM) and increased the density of band tail, facilitating high absorption of visible light and suppressing the charge carrier recombination. With these distinct features, the novel 3D multi-layered CNIS heterostructure generated ⚫O2-, exhibiting effective photocatalytic activity toward tetracycline (TC) with 83% removal in 10 minutes under visible light.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85176975845&origin=inward; http://dx.doi.org/10.2139/ssrn.4154284; https://www.ssrn.com/abstract=4154284; https://dx.doi.org/10.2139/ssrn.4154284; https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4154284; https://ssrn.com/abstract=4154284
Elsevier BV
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