They added a small amount of the fluorescent dye coumarin to the emitter material tris ( 8 - hydroxy - quinoline ) aluminum.
他们在发光材料三 ( –基口喹啉 ) 铝里,加入了少量的萤光染料香豆素.
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英英释义
Noun
1. a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative f