State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, China.
Department of Physics and Materials Science and Centre for Functional Photonics (CFP), City University of Hong Kong, Kowloon, Hong Kong SAR.
Small. 2017 Feb;13(6). doi: 10.1002/smll.201602055. Epub 2016 Dec 5.
Carbon nanodots (CNDs)@BaSO hybrid phosphors are fabricated in an easy and low-cost process by sequentially assembling Ba and SO ions onto the surface of carbon nanodots through electrostatic attraction. CNDs act as the nucleus to attract these reactive ions and provide the luminescent centers in the hybrid phosphors. This strategy is versatile for a variety of negatively charged CNDs with different emission colors. The advantage of the resultant hybrid phosphors is that their luminescence exhibits excellent thermal and photostability, as well as remarkable resistance to strong acid/alkali and common organic solvents. These merits allow for the fabrication of CNDs-based light-emitting diodes using the CNDs@BaSO hybrid phosphors as a color conversion layer.
碳纳米点（CNDs）@BaSO 复合荧光粉通过静电吸引，将 Ba 和 SO 离子依次组装到碳纳米点的表面上，从而以简单、低成本的方法制备得到。CNDs 作为核，吸引这些反应性离子，并在复合荧光粉中提供发光中心。这种策略适用于多种具有不同发射颜色的带负电荷的 CNDs，具有通用性。所得复合荧光粉的优点是其发光具有优异的热稳定性和光稳定性，以及对强酸/强碱和常见有机溶剂的显著抗性。这些优点使得可以使用 CNDs@BaSO 复合荧光粉作为颜色转换层来制造基于 CNDs 的发光二极管。
