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|Title:||Characterization of AgBiS2 nanostructured flowers produced by solvothermal reaction|
Physics and Astronomy
|Abstract:||AgBiS2nanostructured flowers were produced from CH3COOAg, Bi(NO3)3.5H2O and thiosemicarbazide (NH2CSNHNH2) using different solvents [ethylene glycol (EG), water (H2O), polyethylene glycol with molecular weight of 200 (PEG200), and propylene glycol (PG)] in Teflon-lined stainless steel autoclaves. The phase and purity were detected using X-ray diffraction (XRD), controlled by the solvents. The product was purified AgBiS2produced by the 200 °C and 24 h reaction in EG, corresponding to selected area electron diffraction (SAED) and simulation patterns. Scanning and transmission electron microscopies (SEM and TEM) revealed the formation of nanostructured flowers - enlarged by the increase in the lengths of time and temperature. Their photoluminescence (PL) emissions were detected at the same wavelength of 382 nm (3.24 eV), although they were produced under different conditions. © 2010 Elsevier B.V. All rights reserved.|
|Appears in Collections:||CMUL: Journal Articles|
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