Facile synthesis of undoped and Sn doped CdS nanoparticles for dye-sensitized solar cell applications
Source abstract
Abstract
Abstract Undoped and tin (Sn) doped cadmium sulfide (CdS) semiconductor alloy nanoparticles have been prepared by simple solvothermal microwave irradiation (SMI) technique. Powder X-ray diffraction (PXRD) analysis indicates the formation of hexagonal structured high-quality nanoparticles with crystallite size around 3 nm. The particle size of the samples obtained from transmission electron microscopy (TEM) analysis is in accordance with the crystallite size of prepared nanoparticles. The surface morphology examined using a field emission scanning electron microscope shows the uniform distribution of spherical nanoparticles. The energy dispersive X-ray (EDX) analysis confirms the purity of the prepared nanoparticles with a good stoichiometric ratio of Cd, S, and Sn. The optical characteristic of the samples by UV–Visible (UV–Vis.) analysis implies that the optical band gap tends to decrease for the increase in Sn concentration in CdS lattices. Dye-sensitized solar cell with 4 mol % Sn doped CdS nanoparticles shows ~39% higher efficiency than that of undoped CdS.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Quantum Dots Synthesis And Properties · Chalcogenide Semiconductor Thin Films · Advanced Photocatalysis Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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