• Title/Summary/Keyword: S-chemistry

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The Synthesis of CuInS2 Nanoparticles by a Simple Sonochemical Method

  • Park, Jae-Young;Park, Jong-Pil;Hwang, Cha-Hwan;Kim, Ji-Eon;Choi, Myoung-Ho;Ok, Kang-Min;Kwak, Ho-Young;Shim, Il-Wun
    • Bulletin of the Korean Chemical Society
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    • v.30 no.11
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    • pp.2713-2716
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    • 2009
  • $CuInS_{2}$ nanoparticles were synthesized by a simple sonochemical method; First, Cu nanoparticles were prepared from $CuInS_{2}$ in methanol solution by a one pot reaction through the sonochemistry under multibubble sonoluminescence (MBSL) conditions. Second, the resulting Cu nanoparticles were treated with $InCl_3{\cdot}4H_2O$ and $CH_3CSNH_2$ (thioacetamide) at the same MBSL conditions to synthesize $In_2S_3$-coated Cu nanoparticles in methanol solution. Then, they were transformed into $CuInS_{2}$ (CIS) nanoparticles of 20 $\sim$ 40 nm size in diameter by thermal heating at 300 ${^{\circ}C}$ for 2 hr. The prepared CIS nanoparticles, of which band gap is 1.44 eV, were investigated by X-ray diffractometer, UV-Vis spectrophotometer, inductively coupled plasma spectrometer, and high resolution-transmission electron microscope.