Synthesis of worm-like Ag2S nanocrystals in W/O reverse microemulsion |
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| Authors: | Meiying Liu Zhiling XuBona Li Chunming LinDan Bai Nannan ShanWansheng You |
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| Affiliation: | Institute of Chemistry for Functionalized Materials, Liaoning Normal University, Dalian, Liaoning 116029, PR China |
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| Abstract: | High-aspect-ratio of worm-like Ag2S nanocrystal with length up to several micrometers and a diameter of 25-50 nm has been successfully prepared by a Triton X-100/cyclohexane/hexanol/water W/O reverse microemulsion in the presence of TAA (Thioacetamide) as a sulfur source and EDTA (ethylene diamine tetraacetic acid) as a chelating ligand. The products were characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM) and UV-vis diffuse reflectance absorption spectra. The results indicate that the morphology and size of Ag2S nanocrystal can be readily controlled by modulating the mole ratio of Ag+ to EDTA, the molar ratio of water to surfactant (ω0), and the aging time. |
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| Keywords: | Ag2S Worm-like Semiconductors Reverse microemulsion Nanocrystalline materials |
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