Wenzl, F.P ; Pachler, P ; List, E.J.W ; Somitsch, D ; Knoll, P ; Patil, S ; Guentner, R ; Scherf, U ; Leising, G (2002) Self-absorption effects in a LEC with low Stokes shift Physica E: Low-dimensional Systems and Nanostructures, 13 (2-4). pp. 1251-1254. ISSN 1386-9477
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Official URL: http://doi.org/10.1016/S1386-9477(02)00347-8
Related URL: http://dx.doi.org/10.1016/S1386-9477(02)00347-8
Abstract
The electroluminescence spectra both in forward and reverse directions of a light-emitting electrochemical cell prepared from a methyl-substituted ladder-type poly(paraphenylene) (mLPPP), blended with a crown ether, Dicyclohexano18crown6 (DCH18C6), and a Li salt, lithium trifluoromethanesulfonate (litriflate, LiTf for short) are compared. Different from the forward direction, in reverse direction the spectrum is strongly influenced by self-absorption effects. We discuss this behavior by different degrees of doping of the p- and n-type doped zones. This effect can be applied for a new method to realize bias-dependent color emission from single-layer devices at low voltages that can be prepared by only one simple and easy spin-coating process.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 120625 |
| Deposited On: | 02 Jul 2021 08:03 |
| Last Modified: | 02 Jul 2021 08:03 |
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