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Excitation and Emission Properties of Poly(N-Carbazole)/Poly(vinylpyrrolidone) Blends Characterized by Fluorescence Spectroscopy

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Abstract:

We present the results concerning the excitation and emissions spectra of Poly (N-carbazole) (PVK) blend with different compositions of polyvinylpyrrolidone (PVP). Doctor blade technique was used to coat the blended polymer on a quartz substrate. The influences of polymer composition to the excitation and emission spectra were observed under UV excitation source of a xenon lamp. The result shows a discrepancy in the maximum excitation, emission and Stokes shift for each samples. The variation of Full Width at Half Maximum (FWHM) for excitation and emission indicate that the variation in composition has affected on the fluorescence properties of the blended thin film polymer system. Fourier Transform Infrared (FTIR) spectroscopy reveals that the discrepancy in the emission and excitation properties of this polymer blending system is due to the discrepancy of infrared absorption peak in the carbazole functional group.

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Periodical:

Advanced Materials Research (Volumes 652-654)

Pages:

550-553

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.652-654.550

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Online since:

January 2013

Authors:

Ahmad Nazib Alias, T.I. Tunku Kudin, Z.M. Zabidi, M.K. Harun, Abdul Malik Marwan Bin Ali, Mohamad Faizul Yahya

Keywords:

Excitation and Emission Spectra, Fluorescence Spectroscopy, Polymer Blend

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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