Chowdhury, A. ; Chowdhury, J. ; Pal, P. ; Pal, A. J. (1998) Light-emitting diodes from molecularly thin porphyrin derivative: effect of molecular packing Solid State Communications, 107 (12). pp. 725-729. ISSN 0038-1098
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0038-1098(98)00289-0
Abstract
Light-emitting diodes based on the molecularly thin film of a porphyrin derivative have been fabricated. Langmuir-Blodgett (LB) films at two different surface pressures have been used as active materials of the device and their characteristics have been studied and compared. Devices with LB films deposited at a higher pressure show rectifying behaviour and electroluminescence (EL) was observed only in the forward bias. The other type of devices with LB films deposited at a lower pressure, yields EL in both bias directions. The effect of thickness of the active layers has been investigated. The turn-on currents for both the cases have also been compared.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | A. Semiconductors; A. Thin Films; D. Electronic Transport; D. Tunneling; E. Luminescence |
| ID Code: | 65664 |
| Deposited On: | 17 Oct 2011 10:44 |
| Last Modified: | 17 Oct 2011 10:44 |
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