Wen Wang, Jinbao Wei, Yutong Ding, Yike Yang, Xin Zhou, Hong-Min Meng, Qianqian Zhu, Zhaohui Li
In this work, an extraordinary solid red emissive phosphor was prepared based on red-emitting carbon dots (R-CDs). The synthesis was conducted under an in-situ strategy, with assistance of zeolitic imidazolate frameworks. The obtained phosphor possesses a stronger red emission located at 630 nm in solid state, with CIE coordinate of (0.63, 0.35) and quantum yield of ∼ 45 %. As a consequence, not only aggregation-induced fluorescence quenching of R-CDs is avoided in solid state, but also an enhanced emission with high quantum yield is presented...
April 1, 2024: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy