Bulletin of the Korean Chemical Society

  • 제32권5호
  • /
  • Pages.1583-1586
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  • 2011
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Preparation of Silver Nanoparticles in Ultrasonic Vibration-Induced Nanodroplets of Isopropyl Alcohol in Combination with Ionic Liquids

  • Shin, Ueon-Sang (Department of Nanobiomedical Science & WCU Research Center, Dankook University Graduate School) ;
  • Hong, Hyun-Ki (Department of Nanobiomedical Science & WCU Research Center, Dankook University Graduate School) ;
  • Kim, Hae-Won (Department of Nanobiomedical Science & WCU Research Center, Dankook University Graduate School) ;
  • Gong, Myoung-Seon (Department of Nanobiomedical Science & WCU Research Center, Dankook University Graduate School)
  • 투고 : 2010.07.19
  • 심사 : 2011.03.21
  • 발행 : 2011.05.20
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초록

Silver nanoparticles (<10 nm) were prepared in ultrasonic vibration-induced nanodroplets of isopropyl alcohol (IPA) in combination with hydrophobic room temperature ionic liquids (RTILs). The Ag-precursor used were silver (I) complex, Ag$_2$(ehac)$_2$(eha)$_2$ (ehac = 2-ethylhexylammonium carbamate; eha = 2-ethylhexylamine), in IPA, while 1-butyl-3-methylimidazolium-based ionic liquids bearing $SbF_6^-$, $PF_6^-$ and $NTf_2^-$ as counter anions were used as RTILs. During sonication for 10-90 min at room temperature, uniform silver nanoparticles with mean sizes of 2 to 8 nm were rapidly synthesized. Transmission electron micrographs also confirmed that silver nanoparticles have a spherical shape and diverse sizes depending on the reaction time (10-90 min).

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참고문헌

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