Construction of p–n junction type Ag2O/SnO2 heterostructure photocatalyst for enhanced organic dye degradation under direct sunlight irradiation: Experimental and theoretical investigations
Source abstract
Abstract
AbstractThe p–n junction type like Ag2O/SnO2nanorods (NRs) photocatalysts have been synthesized by adding different concentrations of Silver (Ag) during SnO2NRs synthesis. The SnO2NRs with tetragonal and Ag2O nanoparticle (NPs) with cubic crystal structures are confirmed from SEM and XRD analyses. The Ag satellite peaks, 3d3/2and 3d5/2, confirm the formation of Ag2O in the sample. The length of SnO2NRs (approximately 4 to 5 μm) is gradually decreased by increasing Ag2O addition. When compared with pure SnO2NRs, Ag2O/SnO2photocatalysts show enhanced photodegradation activity in short time is concluding that co-existence of Ag2O and SnO2NRs expedites photodegradation activity. Especially, 3 mol% Ag addition led Ag2O/SnO2photocatalyst displays the highest methylene blue dye degradation (96%) under open sunlight in 30 min, and shows efficient redox behavior up to 6 cycles. Eventually, theoretical calculations such as DOS and NBO were carried out to support experimental counterpart.Graphical abstract
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Gas Sensing Nanomaterials and Sensors · ZnO doping and properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (38)
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