HOW TO OLED PURIFICATION?
OLED, comprising an element converting electric energy into light energy, has been actively used in the general display industry. However, it is essential to improve its purity through a purification process due to the features of this element. It is known that the purification process requires a high cost and highly advanced technology.
The methods for purifying OLED materials include recrystallization, distillation, column-chromatography and sublimation methods.
The most frequently used method is
the column-chromatography method