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Dielectric and electrical properties of an organic device containing benzotriazole and fluorene bearing copolymer
Date
2013-05-05
Author
Yildiz, Dilber Esra
APAYDIN, Dogukan Hazar
Toppare, Levent Kamil
Çırpan, Ali
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Dielectric and electrical properties of a benzotriazole and fluorene copolymer were investigated using current-voltage (IV), capacitance-voltage (CV), and conductancevoltage (G/wV) measurements at room temperature. The electrical parameters, barrier height (phi Bo), and ideality factor (n) obtained from the forward bias LnI-V plot were found as 0.453 eV and 2.08, respectively. The Rsvalues were found as 2.20, 2.12, 1.90 using dV/dLnIversus I, H(I)versus I and F(V)-V plots,respectively. The dielectric constant (epsilon), the dielectric loss (epsilon), and the ac electrical conductivity (sigma ac) are a strong function of voltage and frequency. Decrease in epsilon and epsilon values with increasing frequencywas observed. On the other hand, the increase of sigma ac with increasing frequency was observed. Experimental results show that the conjugated copolymer plays an important role in the values of barrier height, ideality factor, series resistance, and dielectric parameters. (c) 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
Subject Keywords
Copolymers
,
Dielectric properties
,
Properties and characterization
URI
https://hdl.handle.net/11511/40596
Journal
JOURNAL OF APPLIED POLYMER SCIENCE
DOI
https://doi.org/10.1002/app.38315
Collections
Department of Chemistry, Article