产品描述:
Coumarin 7 is a greenish yellow fluorescent dye. It has good heat resistance and light resistance, good migration resistance and high tinting strength with wide application. Coumarin 7 is a laser dye that is used as green phosphorescent dopant material for organic light-emitting diodes (OLED). Its derivatives are used in medicine and chemistry. Spectral Data: lambdaabs 438nm, lambdaem 266nm/355nm, lambdaex 490nm, lambdalaser 520nm.