Photo-injection of hydrogen in Ag and Cu halides

Alexander Gavrilyuk

doi:10.1117/12.266837

6 February 1997 Photo-injection of hydrogen in Ag and Cu halides

Alexander Gavrilyuk

Proceedings Volume 2968, Optical Organic and Semiconductor Inorganic Materials; (1997) https://doi.org/10.1117/12.266837
Event: International Conference on Advanced Optical Materials and Devices, 1996, Riga, Latvia

Abstract

For the first time photo-initiated injection of hydrogen was carried out into Ag- and Cu-halides (AgCl, AgJ, Ag₄RbI₅, CuCl) -- the materials which are very important for investigations of the photographic process. To carry out the photoinjection of hydrogen into the halides a double-layer structure was used. Onto a quartz substrate two thin films were evaporated one after the other: the first one -- a silver or copper halide film, and the second one -- an amorphous WO₃ thin film. The film double-layer structure was illuminated by UV-light from the side of the WO₃ film. The role of a hydrogen source was played by specially selected organic molecules previously adsorbed on the WO₃ surface. Hydrogen atoms detached from the adsorbed molecules under light illumination, diffused first into the WO₃ film and then, afterwards, migrated into the halide layer. Hence, illumination of the halide surface was accompanied by injection of hydrogen atoms released from the organic molecules adsorbed on the WO₃ surface.

Citation Download Citation

Alexander Gavrilyuk "Photo-injection of hydrogen in Ag and Cu halides", Proc. SPIE 2968, Optical Organic and Semiconductor Inorganic Materials, (6 February 1997); https://doi.org/10.1117/12.266837

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