Direct Optical Patterning of Perovskite Nanocrystals Showing Extremely Stable Luminescence
발표자
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초록
내용
State-of-the-art inorganic emitters (IEs), such as perovskite and quantum dots (QDs), are promising due to their high color-purity and luminescence quantum yield. However, they suffer from not only instability against chemicals and humidity but also limited patternability, which hinders their practical application. Here, we present siloxane resin-based IEs, in which the siloxane resin can be chemically crosslinked with the organic ligands of perovskite or QDs by UV irradiation. By integrating the siloxane resin, the IEs can maintain their initial photoluminescence quantum yield (PLQY) more than 1.5 years, even when immersed in water. Furthermore, they can be directly micro-patterned through selective UV exposure maintaining their PLQY more than 60 days. We believe that our strategy, combining siloxane resin with IEs, will provide a universal solution to secure highly stable luminescent capability and micro-patternability of the IEs, simultaneously.