期刊
JOURNAL OF EXPERIMENTAL NANOSCIENCE
卷 9, 期 5, 页码 444-451出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17458080.2012.667163
关键词
polymer electrolyte; SEM; ionic conductivity; dye sensitised solar cell; multiwall carbon nanotube
类别
资金
- DST, government of India [SR/S2/CMP-0065/2010]
Electrical, structural and optical properties of a composite containing a polymer electrolyte (namely polyethylene oxide complexed with sodium iodide) and multiwall carbon nanotube (MWCNT) are reported. The films of these composites were 'solution casted' using the viscous solution of polyethylene oxide (PEO) complexed with sodium iodide (NaI) in desired ratios and characterised using various techniques. The conductivity versus composition plot in PEO:NaI shows conductivity maxima at 12 wt% NaI concentration while in MWCNTs doped polymer electrolyte it occurs at 40 wt% MWCNTs concentration. The surface morphology by scanning electron microscopy (SEM) shows the enhancement in amorphous reason by MWCNTs doping which is a well-known favourable condition for conductivity enhancement. The differential scanning calorimetry shows that dispersal of MWCNTs reduces the crystallinity of polymer electrolyte that is well-supported by our polarised optical micrographs and SEM measurements.
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