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KMID : 1059520090530050505
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Journal of the Korean Chemical Society
2009 Volume.53 No. 5 p.505 ~ p.511
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Syntheses and Characterizations of Valine and Alanine Capped Water Soluble ZnS Nanoparticles
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Lee Sang-Min
Kim Ki-Moon
Hwang Cheong-Soo
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Abstract
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Water soluble ZnS nanocrystals were synthesized by capping the surface of the nanocrystals with valine and alanine molecules, which are structurally simple and bio friendly amino acids. The obtained ZnS nanocrystal powders were characterized by XRD, HR-TEM, and EDXS spectroscopies. The measured particle sizes by HR-TEM images were in the range of 3.3 to 3.6 nm. In addition, the surface capping amino acids molecules were characterized by FT-IR and FT-Raman spectroscopies.
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KEYWORD
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ZnS nanocrystal, water soluble nanocrystal, amino acid capping
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