| abstract |
(57) [Abstract] [PROBLEMS] To reduce fog without deteriorating color tone and sensitivity. SOLUTION: (a) a reducible silver source, (b) a photocatalyst, A photothermographic material comprising (c) a reducing agent, (d) a binder, and (e) a compound represented by the following formula. (Q represents an atomic group necessary for forming a 6-membered unsaturated heterocycle containing 2 to 4 N atoms, Y represents —CO—, —S O- or -SO 2 - a, X 1, X 2 is a halogen atom, A represents a hydrogen atom or an electron-withdrawing group. ) |