Replacement of the oxygen with a silicon atom on the rhodamine framework produces a strong red-emission fluorophore which has a high molar extinction coefficient and 90 nm red shift relative to rhodamine dye PY.
用
罗丹明骨架上的
硅原子取代
氧会产生强红光发射荧光团,相对于
罗丹明染料 PY,该荧光团具有高摩尔消光系数和 90 nm 红移。