A pyrromethene-boron complex compound represented by the following formula (1);
wherein Z1 and Z2 are independently a hydrogen atom, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group or a substituted or unsubstituted aryloxy group, at least one of Z1 and Z2 is an alkoxy group substituted with a fluorine atom or an aryloxy group substituted with a fluorine atom or a fluoroalkyl group, and Z1 and Z2 may form a ring.
下式(1)所代表的
吡咯烷-
硼络合物;
其中 Z1 和 Z2 独立地为氢原子、取代或未取代的芳基、取代或未取代的烷氧基或取代或未取代的芳氧基,Z1 和 Z2 中至少有一个是被
氟原子取代的烷氧基或被
氟原子或氟烷基取代的芳氧基,且 Z1 和 Z2 可形成一个环。