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.
Highlights
Polymers are typically utilized in electrical, optical and electronic devices as insulators because of their very high electrical resistivity
Sincere efforts have been made to understand the effect of binary dopant on the electrical and spectroscopic properties of Poly (o-toluidine) using I-V characteristics method, UV-visible spectroscopy, X-ray diffractometry (XRD), FTIR and Photoluminescence (PL) studies
A stabilized voltage of 1.5V was applied across the sample and the resultant current was measured with a pico- ammeter, which gives Dc conductivity within ±1% of accuracy [7]
Summary
Polymers are typically utilized in electrical, optical and electronic devices as insulators because of their very high electrical resistivity. Photoluminescent organic molecules are a new class of compounds with interesting properties They undergo emission over a wide range from the violet to the red. 1050 DC Conductivity and Spectroscopic Characterization of Poly (o-toluidine) doped with Binary Dopant ZrOCl2/AgI tion of ZrOCl2 and AgI as binary dopant is that ZrOCl2 is a luminescent material contributing towards photoluminescence; while AgI is a conducting material and contributing towards dc conductivity. By choosing such combination, we can prepare a material having good conductivity as well as phololuminescence simultaneously. Sincere efforts have been made to understand the effect of binary dopant on the electrical and spectroscopic properties of Poly (o-toluidine) using I-V characteristics method, UV-visible spectroscopy, X-ray diffractometry (XRD), FTIR and Photoluminescence (PL) studies
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