Title:
Liquid-phase synthesis of thiol-derivatized silver nanocrystals
Liquid-phase synthesis of thiol-derivatized silver nanocrystals
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Authors
Murthy, Srihari
Bigioni, Terry P.
Wang, Z. L. (Zhong Lin)
Khoury, Joseph T.
Whetten, R. L.
Bigioni, Terry P.
Wang, Z. L. (Zhong Lin)
Khoury, Joseph T.
Whetten, R. L.
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Abstract
A liquid-phase method is reported for the preparation of dodecanethiol-derivatized silver nanocrystals. Toluene sols of
this material maintain as sols in air at room temperature at least on the timescale of months. X-ray diffraction (XRD) and
transmission electron microscopy (TEM) are used to obtain size and structural information about the nanocrystal core while
solubility properties and energy dispersive X-ray spectroscopy (EDS) are used to identify the passivating layer. Laser
desorption time-of-flight mass spectra (LDTOFMS) of this material show broad peaks in the mass range from 40 to 300
kamu. These results are consistent with the synthesized material being a dodecanethiol-derivatized silver nanocrystal
material with a mean crystalline silver core of 3.1 ± 0.6 nm.
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1997
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