International Symposium on New Trends in Photoelectrochemistry Held in Altavilla Milicia (Pa), Italy on 22-26 September 1991. Extended Abstracts
ROME UNIV (ITALY)
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At present photoelectrochemistry of semiconductors covers a wide range of border problem, is stimulating discoveries and studies of new materials, and promises interesting applications in various branches of modern technology, including energetics and control system. This review paper discusses results of investigations carried out last two year in Yerevan State University. Photoelectrochemical characteristics and properties of photocathodes made yttrium barium ceramics were investigated. Sintered by standart solid state techniques samples with various nominal compositions were degenerative p-type semiconductors. It is shown that these low cost electrode can be use rather well instead of metalic cathode platinum etc.. It is shown that the use of a number of polar semiconductors as the photoanode in photoelectrochemical cells can lead to increasing of the efficiency of conversion of solar energy to hydrogen if semiconductors characterised by great value of exciton transitions oscillation strength.
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