Green Synthesis of Starch‐Capped CdS Nanoparticles Doped with Copper (II) and Manganese (II): Structural, Optical, and Photocatalytic Properties

Abstract Pure CdS and Cu 2+ /Mn 2+ ‐doped CdS nanoparticles were synthesized using a green capping method via mechanochemical techniques, with starch as the capping agent. Characterization using XRD revealed a cubic phase structure of CdS nanoparticles, evidenced by peaks at 2θ values of 26.30°, 43....

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Published in:European journal of inorganic chemistry 2024-09
Main Authors: Thangamuniyandi, Pilavadi, Nagaraj, Karuppiah, Velmurugan, Gunasekaran, Kamalesu, Subramaniam, Alshalwi, Matar, Alotaibi, Khalid M., Maity, Prasenjit, Abhijith, S. M., Shah, Flora, Kaliyaperumal, Raja, Rajaraman, D.
Format: Article
Language:English
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Summary:Abstract Pure CdS and Cu 2+ /Mn 2+ ‐doped CdS nanoparticles were synthesized using a green capping method via mechanochemical techniques, with starch as the capping agent. Characterization using XRD revealed a cubic phase structure of CdS nanoparticles, evidenced by peaks at 2θ values of 26.30°, 43.80°, and 51.80° corresponding to the (111), (220), and (311) planes, respectively. SEM‐EDAX analysis confirmed the presence of Cd, Cu, Mn, and S elements in the samples. Diffuse reflectance analysis indicated an average crystallite size ranging from 111 nm to 139 nm, accompanied by a band gap energy ranging from 2.25 to 1.95 eV. Raman spectroscopy identified peaks at 366 cm −1 , 482 cm −1 , and 556 cm −1 , attributed to the skeletal modes of the pyranose ring in starch, thus confirming its presence in the starch‐capped CdS nanoparticles.
ISSN:1434-1948
1099-0682
DOI:10.1002/ejic.202400291