| 摘要 |
The present invention provides a photographic emulsion silver halide grains having incorporated therein or thereon a dopant, a grain surface modifier, and a hexacoordination complex comprising iridium, wherein the dopant is a transition metal complex comprising a nitrosyl or thionitrosyl ligand with a transition metal selected from the Groups 5 to 10 of the periodic table, and the grain surface modifier is a transition metal complex comprising a transition metal, other than iridium, which is selected from Groups 7 to 10 of the periodic table.
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