Copper zinc tin sulfide and multi-walled carbon nanotubes nanocomposite for visible-light-driven photocatalytic applications
Source abstract
Abstract
Abstract Photocatalytic activity of hydrothermally synthesized CZTS-MWCNT hetero structured NCs was investigated here. The CZTS NPs and CZTS-MWCNT NCs of varying MWCNT contents (3 wt%, 6 wt% and 9 wt%) were characterized by XRD , SEM, TEM, Raman and UV–Vis spectroscopy. The TEM image confirmed that the CZTS NPs are anchored to MWCNTs. From the UV–Vis spectroscopy, the optimum optical band gap of CZTS-6 wt% MWCNT NCs was found 1.4 eV and exhibited higher absorption than CZTS NPs. Under visible light radiation, photocatalytic dye degradation of methylene blue studies revealed a 19% higher photodegradation efficiency for CZTS-6 wt% MWCNT NCs than CZTS NPs. CZTS-6 wt% MWCNT NCs achieved a reaction rate constant of 0.012 mi n − 1 , which is twice that of CZTS NPs. Because of the optimal bandgap of CZTS and the rapid charge carrier mobility of MWCNTs, CZTS-MWCNT NCs have the advantage of enhancing photocatalytic activity over CZTS NPs.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Quantum Dots Synthesis And Properties · Chalcogenide Semiconductor Thin Films
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (53)
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