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Preparation of Silver Indium Sulfide Nanorods by a Facile Microwave Approach
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1  Research Laboratory of Inorganic Materials Synthesis, Department of Chemistry,

Abstract: The ternary semiconductor nanomaterials with the general formula of XYmZn(X = Cu, Ag, Zn, Cd; Y = Ga, In; Z = S, Se, Te; m, n = integer)have got much attention due to considerable physical and chemical properties[1]. Ternary chalcogenides, particularly CuInS2 (CIS) and AgInS2 (AIS) have attracted a lot of attention because of their high extinction coefficients in visible and near-infrared region and conformity the direct band gap energy of them to the this region [2-5]. In this work, AgInS2 (AIS) semiconductor nanorods were synthesized by an efficient and facile microwave heating technique using silver nitrate as silver source, Indium (ІII) chloride tetrahydrate as Indium source and thiourea as sulfur source. The reaction was performed using ethylene glycol (EG) as solvent and SDS as surfactant under microwave irradiation with the power of 600 W for 7 min.The product was characterized by X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR),Energy Dispersive X-ray analyze (EDX) and Transmission electron microscopy (TEM). Powder X-ray diffraction confirmed that the resultant product is a pure orthorhombic phase of AIS nanorods. TEM images presented the rod morphology for all of the obtained products in the arranged reaction conditions. References 1. Y. Akaki, S. Kurihara, M. Shirahama, K. Tsurugida, S. Seto, T. Kakeno, K. Yoshino, J. Phys. Chem. Solid, 66 (2005) 1858-1861. 2. T. Wada, H. Kinoshita, S. Kawata, Thin Solid Film, 431-432 (2003) 11-15. 3. B. Mao, C.-H. Chuang, J. Wang, C. Burda, J. Phys. Chem. C, 115 (2011) 8945-8954. 4. L. Tian, J.J. Vittal, New J. Chem., 31 (2007) 2083-2087. 5. K. Yoshino, H. Komaki, T. Kakeno, Y. Akaki, T. Ikari, J. Phys. Chem. Solid, 64 (2003) 1839-1842.
Keywords: Microwave;Nanorods;Thiourea; Ethylene glycol