It is shown that in photosensitive materials light absorption centers and centers of latent and developed photographic images are of a hydrogen-like nature, and the light sensitivity together with the photoelectric current have an Uhrbach-type temperature dependence.

PACS: 07.68.+m, 71.35.Cc, 82.50.−m (all) DOI: 10.1070/PU2001v044n04ABEH000931 URL: https://ufn.ru/en/articles/2001/4/c/ 000170938700003 Citation: Barshchevskii B U "Exciton photochemistry of light-sensitive crystals" Phys. Usp. 44 397–414 (2001) BibTexBibNote ® (generic)BibNote ® (RIS)MedlineRefWorks Оригинал: Барщевский Б У «Об экситонной фотохимии светочувствительных кристаллов» УФН 171 415–433 (2001); DOI: 10.3367/UFNr.0171.200104c.0415