Journal
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
Volume 122, Issue 2, Pages 547-552Publisher
SPRINGER
DOI: 10.1007/s10973-015-4825-4
Keywords
CNT; Composites; Raman spectra
Funding
- UGC [42-812/2013(SR)]
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Carbon nanotube (CNT) additive glassy composites [(Se85Te10Ag5)(100-X)(CNT)(X)] (X = 0, 3 and 5) have been prepared by melt-quenching technique. The purpose of the present work was to investigate the upshot of 3 and 5 at.% CNT additive on Se85Te10Ag5 glass in regard to the structural and thermal properties. These samples have been structurally characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM) technique. Raman spectroscopy is used to study the local structural changes after CNT incorporation in Se85Te10Ag5 glassy alloy. Differential scanning calorimetry (DSC) technique has been used to study the changes in phase transformations after CNT incorporation under non-isothermal conditions at different heating rates (5, 10, 15 and 20 K min(-1)). The obtained results of XRD and TEM show the signature of MWCNTs, and DSC curve shows an additional relaxation, i.e. T (g) for 3 and 5 % CNT additive Se85Te10Ag5 samples which is not observed in pure Se85Te10Ag5 glass. There also occurs a T (g) in DSC curve of all three investigated samples corresponding to an intrinsic beta-Ag2Se phase also called solid electrolyte glass phase near 406 K (133 A degrees C) which are in conformity with the phase identification in XRD patterns.
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