Morphologically Divergent Development of SnS Photocatalysts from Under-Utilized Ionic Precursors of SILAR Process

Successive ionic layer adsorption and reaction (SILAR) process has been diversely used for deposition of various metal chalcogenides. SnS is one of them. Owing to the under-utilization of ionic precursor used in SILAR process, recovery of ionic species from solvents is important and critical before...

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Bibliographic Details
Published in:Journal of cluster science 2022-11, Vol.33 (6), p.2443-2454
Main Authors: Basit, Muhammad Abdul, Tariq, Zeeshan, Zahid, Saira, Khan, Sheheryar, Siddiqui, Farrukh Arsalan, Khan, Muhammad Farooq, Ali, Gohar, Park, Tae Joo
Format: Article
Language:English
Subjects:
Adsorption
Catalysis
Chemistry
Chemistry and Materials Science
Deposition
Dyes
Inorganic Chemistry
Investigations
Methylene blue
Morphology
Nanochemistry
Nanomaterials
Original Paper
Photocatalysis
Physical Chemistry
Precursors
Rhodamine
Solvents
Spectrum analysis
Tin chloride
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Summary:Successive ionic layer adsorption and reaction (SILAR) process has been diversely used for deposition of various metal chalcogenides. SnS is one of them. Owing to the under-utilization of ionic precursor used in SILAR process, recovery of ionic species from solvents is important and critical before disposal. Since a variety of solutes and solvents can be used for the deposition of SnS, we have devised a comparison revealing the diversity of SnS. It is revealed that the residual cationic precursors play an important role in deciding the eventual morphology, purity and thus the photocatalytic performance of nanostructured SnS. We directly compared SnS nanostructures salvaged from ionic precursors of SnSO 4 and SnCl 2 under similar salvaging conditions and ensued that flower-like SnS can be obtained successfully. Intensive scanning electron microscopy and energy dispersive spectroscopy were utilized to have a closer check on the evolution of morphological and compositional characteristics. Rhodamine B and methylene blue dyes were successfully degraded by both types SnS, however SnS@SnCl 2 exhibited superior performance which was credited to its unique flower-like morphology. Significantly, ~ 96.3% removal of methylene blue dye from water was achieved in only 40 min.
ISSN:1040-7278
1572-8862
DOI:10.1007/s10876-021-02161-x