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Issue
Korean Journal of Chemical Engineering,
Vol.29, No.10, 1453-1458, 2012
Elucidation of morphological and optoelectronic properties of highly crystalline chalcopyrite (CuInSe2) nanoparticles synthesized via hot injection route
Farva U, Khan MA, Park C
CuInSe2 (CIS) nanoparticles have been prepared by the hot-injection method with sizes ~25 nm, and the thermal annealing influence on the size, morphology and optoelectronic properties of crystalline CuInSe2 nanoparticles has been elucidated. Microstructural analysis of synthesized nanoparticles was performed by various characterization methods including high-resolution transmission electron microscopy (HR-TEM), Scanning TEM (STEM), Xray diffraction, X-ray photoelectron spectroscopy (XPS) and photoluminescence (PL) spectroscopy. The fast Fourier transform (FFT) pattern of HR-TEM image of annealed CuInSe2 nanoparticles illustrates that the particles have quasisingle crystal tetragonal structure, as also confirmed by the XRD pattern. The HR-TEM image clearly shows the fringe widths are in order without any defect with 0.32 nm. Microstructural analysis results clearly indicate that the synthesized and air-annealed nanoparticles are in highly crystalline state with near stoichiometric atomic composition.
Keywords: Copper Indium Diselenide (CIS); Nanoparticle; Hot-injection Method; STEM; HR-TEM; XRD
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[Cited By]
  1. Jung HM, Park YS, Gedi S, Reddy VRM, Ferblatier G, Kim WK, Korean Journal of Chemical Engineering, 37(4), 730, 2020
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