The Joint Measurements of Electroluminescence and Photoluminescence of PET Films under Low Temperature

Abstract:

The EL intensity and the spectrum of the PET films were tested under the low temperature by home-made experimental set-up on the conditions of DC high electric fields and irradiated by xenon lamp. The result shows that there are emission peaks at about 350~450nm, 500~600nm and 750nm in the EL spectrum of the PET films. The intensity of light emission increases with the applied electric fields; the pre-breakdown field is about 3.3MV/cm, this threshold value is no significant change which compares with the normal temperature.

• Periodical: Applied Mechanics and Materials (Volumes 44-47)
• Pages: 2632-2636
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.44-47.2632
• Online since: December 2010
• Authors: Jia Qi Lin, Chen Wang, Jun Hui Shi
• Keywords: Electroluminescence, Low-Temperature, Photoluminescence (PL), Poly(ethylene terephthalate)

References

[1] G. Teyssedre and C. Laurent. Evidence of hot electron-induced chemical degradation in electroluminescence spectra of insulating polymers. IEEE International Conference on Solid Dielectrics, vol (1) (2007): pp.166-171.

DOI: 10.1109/iseim.2008.4664458

[2] C. Laurent, F. Massines and C. Mayoux. Optical emission due to space charge effects in electrically stressed polymers. Insul. Mag, IEEE Trans. on DEI, 4(5) (1997): pp.585-603.

DOI: 10.1109/94.625646

[3] O'Dwyer J J. The theory of electrical Conduction and breakdown in solid dielectrics. London: Clarendon Press (1973): pp.303-309.

[4] Zeller H R, Schneider W R. Electrafracture mechanism of dielectric aging. J. Appl. Phys (1984)56: pp.455-459.

[5] Dissado L A, Forthergill J C. Electrical Degradation and Breakdown in Polymers. London：Pereginus Ltd, (1992).

[6] Lei Qingquan, Wang xuan and Fan yong. A new method of Auto-separating Thermally Stimulated Current. J. Appl. Phys. 72(9) (1992): pp.4254-4257.

DOI: 10.1063/1.352239

[7] Gao L Y, Guo W Y and Tu D M. Interfacial microstructure and withstand voltage of polyethylene for power cable. IEEE Trans. on Dielectrics and Electrical Insulation, 10 (2) (2003): pp.233-239.

DOI: 10.1109/tdei.2003.1194104

[8] L. Jixiao, Z. yewen and X. zhongfu. The effect of space charge in the process for Polymer aging and breakdown. Chin Sci Bull, 45(23) (2006): pp.2469-2475.

[9] X. Xurong, S. Mianzeng editor. Luminescence and Luminescent Material. Chemical Industry Press (2004): pp.2-180.

[10] C. Laurent. Optical Prebreakdown Warnings in Insulating Polymers. IEEE Electr. Insul. Mag. 15(2) (1999): pp.5-13.

DOI: 10.1109/57.753926

[11] S. Bamji. Electroluminescence - A Technique to Detect the Initiation of Degradation in Polymeric Insulation. IEEE Electr. Insul. Mag., 15(3) (1999): pp.9-14.

DOI: 10.1109/57.768531

[12] L. Jiaqi, Z. Zhibai, L. caixia and L. Qingquan. On the electroluminescent spectrum of polyimide film in DC high electric field. Chin. J. Materials Research, 20(4) (2006): pp.386-388.

[13] N. Haifang. The Measurements Combine Electroluminescence with Photoluminescence and Analog Simulation of PET. Harbin: Harbin University of Science and Technology. (2010).