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Generation and Quenching of Luminescence in n-Type Porous Silicon/Solution Diodes: Role of Adsorbed Hydrogen

descriptionPublicationkeyboard_double_arrow_right Article 09 Apr 1999 Netherlands English Publisher:American Chemical Society (ACS)Journal:Langmuir, volume 15, pages 3,666-3,671 (issn: 0743-7463, eissn: 1520-5827,

Authors: Ernst S. Kooij; Daniel Vanmaekelbergh; John J. Kelly;

doi: 10.1021/la981435r

Generation and Quenching of Luminescence in n-Type Porous Silicon/Solution Diodes: Role of Adsorbed Hydrogen

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Abstract

The electroluminescence generated during cathodic reduction of peroxydisulfate and hydrogen peroxide at n-type porous silicon electrodes is reconsidered. On the basis of electrochemical results, a mechanism is proposed to account for some unusual features of the reduction reactions and the corresponding light emission. In this mechanism, an extension of a previous model, adsorbed hydrogen plays an important role in both the generation of electroluminescence and the quenching of light emission

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Netherlands

Related Organizations

University of Twente
Netherlands
Utrecht University
Netherlands

Keywords

IR-75185

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