STUDY ON THE PREPARATION AND PROPERTY OF NOVEL HOLLOW-GRAIN SILVER HALIDE EMULSIONS V.THE PREPARATION AND PHOTOGRAPHIC PROPERTY OF HOLLOW-GRAIN TABULAR SILVER HALIDE EMULSIONS

doi:10.7517/j.issn.1674-0475.1999.04.289

Abstract

Abstract: Hollow tabular silver halide microcrystals were prepared by the method of using a suitable silver halide solvent. The relations between structures and properties of the hollow tabular microcrystal emulsions were studied by means of surface development, Dember effect, chemical sensitization, spectral sensitization and so on. The results show that: (1) the latent image is always formed preferentially around the holes of the hollow silver halide microcrystals; (2) there are more microcrystal defects and dislocations, more interstitial silver ions and more electron traps in hollow grains than in solid tabular grains; (3) compared with solid tabular AgBrI emulsions, the hollow T grain emulsions have higher surface reaction activity and higher chemical and spectral sensitivity; (4) all above mentioned advantages can be ascribed to the unique hole structure of hollow silver halide microcrystals.

Key words: silver halide emulsion, hollow tabular grain, photographic property

HUANG Kai, WANG Su’e. STUDY ON THE PREPARATION AND PROPERTY OF NOVEL HOLLOW-GRAIN SILVER HALIDE EMULSIONS V.THE PREPARATION AND PHOTOGRAPHIC PROPERTY OF HOLLOW-GRAIN TABULAR SILVER HALIDE EMULSIONS[J]. Imaging Science and Photochemistry, 1999, 17(4): 289-295.

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