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A. I. CADIS1,* , L. E. MURESAN1, I. PERHAITA1, L. BARBU-TUDORAN2,3, G. BORODI3
- ”Raluca Ripan” Institute for Research in Chemistry, “Babes-Bolyai” University,Fântânele 30, 400294 Cluj-Napoca, Romania
- Electronic Microscopy Centre, Babes-Bolyai University,Clinicilor5-7, 400006 Cluj-Napoca, Romania
- National Institute for Research and Development of Isotopic and Molecular Technologies,65-103 Donath, 400293 Cluj-Napoca, Romania
Copper indium sulphide(CIS) nanoparticleswereprepared usingultrasound-assisted precipitation, bysimultaneous addition of reagents. TheCu-Inratioswas varied in order to study its effect on morpho-structuralcharacteristics of CIS.Depending on the composition, the surface area of CIS powders varies between 35.3-114.3 m2/g and theenergy band gap between 1.4-2.9eV. The morphology, structure and optical properties of the samples were highlightedby UV-Vis spectroscopy, XRD, TEMand BET analysis. The experimentalamount of Cu-In ratio was determined based on ICP-OES resultsand the energy bandgap is calculated from UV-Visspectra using Tauc’s relation.
Ultrasound-assisted precipitation, CuInS2, Semiconductor nanoparticles.
Submitted at: July 27, 2020
Accepted at: Dec. 7, 2020
A. I. CADIS, L. E. MURESAN, I. PERHAITA, L. BARBU-TUDORAN, G. BORODI, Copper indium sulphide nanoparticles with tunable energy band gap obtained by ultrasound-assisted precipitation, Journal of Optoelectronics and Advanced Materials Vol. 22, Iss. 11-12, pp. 613-618 (2020)
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