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Full-Color Inorganic Carbon Dot Phosphors for White-Light-Emitting Diodes
Tian, Z.; X. T. Zhang; D. Li; D. Zhou; P. T. Jing; D. Z. Shen; S. N. Qu; R. Zboril and A. L. Rogach
2017
发表期刊Advanced Optical Materials
卷号5期号:19
摘要Light-emitting carbon dots (CDots) are widely investigated due to their distinct merits. However, it is still a challenge to modulate their bandgap emissions and conquer their aggregation-induced luminescence quenching to achieve full-color highly emissive CDot-based phosphors. Herein, this study proposes an approach toward realization of full-color emissive CDots from two common precursors, citric acid and urea, through employing three different solvents (water, glycerol, and dimethylformamide) and their combinations in a solvothermal synthesis. Employing sodium silicate solution, this study further demonstrates the microwave-assisted method allowing to incorporate CDots into a silica network, which effectively prevents aggregation of CDots and results in strongly luminescent full-color inorganic CDot phosphors with photoluminescence quantum yields of 30-40%. Through deposition of the red-and green-emitting CDot phosphors on blue-emitting InGaN chips, white-light-emitting diodes are fabricated with Commission Internationale de L'Eclairage of (0.34, 0.31) and the color rendering index of 82.4, indicating their promising application for solid-state lighting.
收录类别sci ; ei
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/59233
专题中科院长春光机所知识产出
推荐引用方式
GB/T 7714
Tian, Z.,X. T. Zhang,D. Li,et al. Full-Color Inorganic Carbon Dot Phosphors for White-Light-Emitting Diodes[J]. Advanced Optical Materials,2017,5(19).
APA Tian, Z..,X. T. Zhang.,D. Li.,D. Zhou.,P. T. Jing.,...&R. Zboril and A. L. Rogach.(2017).Full-Color Inorganic Carbon Dot Phosphors for White-Light-Emitting Diodes.Advanced Optical Materials,5(19).
MLA Tian, Z.,et al."Full-Color Inorganic Carbon Dot Phosphors for White-Light-Emitting Diodes".Advanced Optical Materials 5.19(2017).
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