TY - JOUR
T1 - WS2 breeds with carbon to create a wormlike nanostructure and assembly
T2 - Reaction of W(CO)6 with S under autogenic pressure at elevated temperature under inert atmosphere
AU - Pol, Vilas Ganpat
AU - Pol, Swati Vilas
AU - Perkas, Nina
AU - Gedanken, Aharon
PY - 2007/1/11
Y1 - 2007/1/11
N2 - The thermolysis of W(CO)6 in the presence of elemental S, in a closed Swagelok reactor at 750°C under inert atmosphere, produced anisotropic WS2 particles embedded in carbon. These particles are created as a one-dimensional, wormlike nanostructure and assembly. A one-step, solvent-free, straightforward, environmentally friendly (no traditional use of H2S and H2/N2 forming gas), and competent RAPET (reaction under autogenic pressure at elevated temperature) approach is used for the current synthesis. Systematic compositional (EDX, CHNS, SAEDX, WDX mapping), structural (XRD, HR-TEM, Raman spectroscopy), morphological (HR-SEM, HR-TEM), and BET surface area analyses are carried out to understand the formed product. The mechanistic elucidation for the formation of anisotropic WS 2 particles embedded in carbon is provided on the basis of the obtained analytical data, control experiments, and previously published reports.
AB - The thermolysis of W(CO)6 in the presence of elemental S, in a closed Swagelok reactor at 750°C under inert atmosphere, produced anisotropic WS2 particles embedded in carbon. These particles are created as a one-dimensional, wormlike nanostructure and assembly. A one-step, solvent-free, straightforward, environmentally friendly (no traditional use of H2S and H2/N2 forming gas), and competent RAPET (reaction under autogenic pressure at elevated temperature) approach is used for the current synthesis. Systematic compositional (EDX, CHNS, SAEDX, WDX mapping), structural (XRD, HR-TEM, Raman spectroscopy), morphological (HR-SEM, HR-TEM), and BET surface area analyses are carried out to understand the formed product. The mechanistic elucidation for the formation of anisotropic WS 2 particles embedded in carbon is provided on the basis of the obtained analytical data, control experiments, and previously published reports.
UR - http://www.scopus.com/inward/record.url?scp=33847665151&partnerID=8YFLogxK
U2 - 10.1021/jp064417o
DO - 10.1021/jp064417o
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AN - SCOPUS:33847665151
SN - 1932-7447
VL - 111
SP - 134
EP - 140
JO - Journal of Physical Chemistry C
JF - Journal of Physical Chemistry C
IS - 1
ER -