초록 |
Abstract: In this work, narrow-band green-emitting CsPbBr3 particles were embedded in commercialized glass composites by a facile dry process. By optimizing the method through sintering process in the glass frit composites including CsBr and PbBr2 used as precursors, the encapsulation of CsPbBr3 particles behaved waterproof with green fluorescence. To improve the fluorescent properties by reducing aggregation of CsPbBr3, fumed silica was additionally used to help them hinder bulking up in the glass matrix. The photoluminescence properties which demonstrated that the emission spectrum peak, full width at half maximum and the photoluminescence quantum yield values were 519 nm, 17 nm and 17.7 %. We also confirmed the water-resistant properties. To enhance water/moisture stability, the composite sample was put directly into water with its PLQY monitored periodically under UV light. |