TITLE:
DC Conductivity and Spectroscopic Characterization of Poly (o-toluidine) Doped with Binary Dopant ZrOCl2/AgI
AUTHORS:
Kiran Kumari, Vazid Ali, Gita Rani, Sushil Kumar, G.B.V.S. Lakshmi, M. Zulfequar
KEYWORDS:
Poly (O-Toluidine), Dc Conductivity, UV-Visible Study, X-Ray Diffraction, FT-IR And
Photoluminescence Studies
JOURNAL NAME:
Materials Sciences and Applications,
Vol.2 No.8,
August
31,
2011
ABSTRACT: Aqueous binary dopant (ZrOCl2/AgI) is used in different ratio such as 1:1, 1:2 and 2:1 (w/w) for chemical doping to enhance the conductivity of synthesized Poly (o-toluidine) (POT). The doping of Poly (o-toluidine) is carried out using tetrahydrofuran as solvent. Doped samples are characterized using various techniques such as I-V characteristics, UV-Visible spectroscopy, X-ray diffractometry (XRD), FTIR and Photoluminescence (PL) studies. A significant enhancement in DC conductivity has been observed with the introduction of binary dopant. UV-Visible study shows that optical parameters change considerably after doping. Interestingly, both direct and indirect band gaps are observed in the doped samples. XRD patterns show the semi-crystalline nature of doped Poly (o-toluidine). FTIR study shows structural modifications in functional groups with doping in POT. A Photolyminescence spectrum exhibits the emission properties of the samples.