Pal, A. J. ; Paloheimo, J. ; Stubb, H. (1995) Molecular light-emitting diodes using quinquethiophene Langmuir-Blodgett films Applied Physics Letters, 67 (26). pp. 3909-3911. ISSN 0003-6951
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Official URL: http://apl.aip.org/resource/1/applab/v67/i26/p3909...
Related URL: http://dx.doi.org/10.1063/1.115314
Abstract
We report extended studies on electroluminescence from molecularly thin semiconducting Langmuir-Blodgett films of quinquethiophene. The effect of the thickness of active layer and cathode electrode material has been investigated. From all these devices, greenish electroluminescence (visible in a dark room) has been observed with quantum efficiencies of the order of 10-3%. Even five or nine layers of Langmuir-Blodgett films yield the same luminance as thicker films. The electroluminescence spectrum showed a profile identical to the photo- luminescence spectrum.
Item Type: | Article |
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Source: | Copyright of this article belongs to American Institute of Physics. |
Keywords: | Electroluminescence; Langmuir-Blodgett Films; Light Emitting Diodes; Organic Compounds; Photoluminescence; Quantum Efficiency; Visible Spectra |
ID Code: | 65643 |
Deposited On: | 17 Oct 2011 10:42 |
Last Modified: | 17 Oct 2011 10:42 |
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