Das, S. ; Chowdhury, A. ; Pal, A. J. (2001) Alternating-current and direct-current responses of light-emitting devices based on decacyclene Langmuir-Blodgett films Physica Status Solidi A, 185 (2). pp. 383-389. ISSN 0031-8965
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/1521-39...
Related URL: http://dx.doi.org/10.1002/1521-396X(200106)
Abstract
Light-emitting devices have been fabricated with Langmuir-Blodgett films of decacyclene. The devices have been operated under both direct-current (dc) and alternating-current (ac) modes. Frequency response of luminance of such devices under ac voltage has been studied, and moderately high-frequency electroluminescence has been observed from these devices. Light output characteristics, charge injection, and operation mechanism under the two modes have been compared and found to be different. Fowler-Nordheim tunneling mechanism has been found to be applicable in the dc case, and space-charge-assisted electron injection lowered the tunneling barrier ac modes. The transient characteristics of luminance have been studied which supported the role of space charges in device operation.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons. |
| Keywords: | 68.47.Pc; 73.40.Gk; 73.50.Gr; 73.61.Ph; 78.60.Fi; 78.60.Qn; S12 |
| ID Code: | 65735 |
| Deposited On: | 18 Oct 2011 08:58 |
| Last Modified: | 18 Oct 2011 08:58 |
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