Electrochemical behavior of n-and p-type GaxIn1−xP electrodes in sodium iodide liquid ammoniate at room temperature |
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| Authors: | Geneviève van Amerongen Michel Herlem Rodolf Heindl Jean-Lou Sculfort |
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| Affiliation: | Laboratoire de Chimie Analytique Générale, 10 Rue Vauquelin 75005 Paris (France);Laboratoire d''Etude des Matériaux par des Techniques Avancées du C.N.R.S., 1, Place Aristide Briand, 92190 Meudon-Bellevue (France);Laboratoire d''Electrochimie Interfaciale du C.N.R.S., 1, Place Aristide Briand, 92190, Meudon-Bellevue (France) |
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| Abstract: | The electrochemical behavior of p- and n-type GaxIn1-xP electrodes in liquid ammoniate (NaI+3.3 NH3) in the dark and under illumination has been investigated at room temperature. The flatband potentials of the semiconductors (SC) have been measured either by impedance determinations or by the photoperturbation method. Some specific physical parameters of the polycrystalline material have been deduced, such as Egap, the electronic transition modes and the carrier densities. The SC behavior in water and in liquid ammoniate has been compared. |
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| Keywords: | To whom correspondence should be addressed. |
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