Electroluminescence from porous silicon due to electron injection from solution

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Kooij, E.S. and Despo, R.W. and Kelly, J.J. (1995) Electroluminescence from porous silicon due to electron injection from solution. Applied Physics Letters, 66 (19). p. 2552. ISSN 0003-6951

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Abstract:We report on the electroluminescence from p‐type porous silicon due to minority carrier injection from an electrolyte solution. The MV+• radical cation formed in the reduction of divalent methylviologen is able to inject electrons into the conduction band of crystalline and porous silicon. The electrochemistry of this redox process at silicon electrodes is briefly described, and electroluminescence due to recombination of the injected electrons with holes from the substrate is described. The results are discussed in terms of a semiconductor model.
Item Type:Article
Copyright:© 1995 American Institute of Physics
Link to this item:http://purl.utwente.nl/publications/75164
Official URL:http://dx.doi.org/10.1063/1.113164
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