Photoconduction mechanisms in titanium and rare earth n-type semiconducting electrodes with pyrochlore and perovskite structures |
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| Authors: | G Campet M Jakani JP Doumerc J Claverie P Hagenmuller |
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| Institution: | Laboratoire de Chimie du Solide du C.N.R.S. 351, Cours de la Libération, 33405 Talence Cédex, France |
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| Abstract: | The photoelectrochemical properties of Ln2Ti2O7 and Ln2/3TiO3 pyrochlore and perovskite anodes have been investigated (Ln = La, Pr, Nd). The pyrochlore samples have a smaller electron affinity but a larger band gap than the perovskite compounds. These results allow an accurate determination of the band energy schemes of the materials. |
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