Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 94, Issue 12, Pages 2265-2274Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2010.07.024
Keywords
Water splitting; Hydrogen production; Heterogeneous photocatalysts; Solid solutions; Metal oxides
Funding
- Progetto Nazionale FISR Vettore Idrogeno: Sistemi Innovativi di Produzione di Idrogeno da Energie Rinnovabili
- Ministero per l'Universita e la Ricerca Scientifica e Tecnologica (Rome, Italy)
- University of Perugia [20088NTBKR]
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In this work, the structural and photophysical characterization of newly synthesized La2xGa2yIn2zO3 solid solutions is presented. By changing the relative amounts of La, Ga and In in La2xGa2yIn2zO3, it has been possible to prepare polyphasic samples whose compositions have been determined by means of the X-ray powder diffraction and micro-Raman techniques. Moreover, it is demonstrated how the composition and structure of prepared ternary oxides rule their UV-vis absorption spectrum. La2xGa2yIn2zO3 solid solutions have been synthesized to obtain suitable photocatalysts for hydrogen production from water-bioethanol solutions. Preliminary photocatalytic experiments carried out using some of the prepared compounds in different conditions are presented in this paper. (C) 2010 Elsevier B.V. All rights reserved.
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