| 摘要 |
A silver halide emulsion is disclosed, comprising at least one monovalent Au(I) complex coordinated with a compound represented by the following formula (1):wherein R<1 >and R<2 >each independently represents an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group, R<1 >and R<2 >may combine with each other to form a 3-, 4-, 5-, 6- or 7-membered ring, and Ch represents a sulfur atom, a selenium atom or a tellurium atom.
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