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Design of rhomboid micro stroke amplifier for FSM system
Fang, C.; J. Guo; X. Xu; Z. Jiang and T. Wang
2016
Source PublicationHongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
Volume45Issue:10
AbstractRed-emissive solid-state carbon nanoparticles (CNPs) with a hollow sphere structure for white light-emitting diodes (WLEDs) were designed and synthesized by molecular self-assembly and microwave pyrolysis. Highly ordered graphite-like structures for CNPs were characterized by transmission electron microscopy, X-ray photoelectron spectroscopy, and ultraviolet visible (UV vis) spectroscopy. The emission mechanism of the red-emissive solid-state CNPs was investigated in detail by steady-state and time-resolved photoluminescence (PL) spectroscopy. The as-prepared CNPs showed a red emission band centered at 620 nm with excitation wavelength independence, indicating uniform size of sp(2) carbon domains in the CNPs. The CNPs also had a PL quantum yield (QY) of 17% under 380 nm excitation. Significantly, the PL QY of the organosilane-functionalized CNPs was 47%, which is the highest value recorded for red-emissive solid-state carbon-based materials under UV-light excitation. More importantly, the red-emissive CNPs exhibited a PL QY of 25% after storage in air for 12 months, indicating their excellent stability. The red-emissive CNP powders environmentally friendly and low-cost phosphors on a commercial 460 nm blue GaN-based chip, and a pure white light with CIE coordinates of (0.35, 0.36) was achieved. The experimental results indicated that the red-emissive CNP phosphors have potential applications in WLEDs.
Subtype期刊
Indexed ByEI
Language中文
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/56908
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Fang, C.,J. Guo,X. Xu,et al. Design of rhomboid micro stroke amplifier for FSM system[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2016,45(10).
APA Fang, C.,J. Guo,X. Xu,&Z. Jiang and T. Wang.(2016).Design of rhomboid micro stroke amplifier for FSM system.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,45(10).
MLA Fang, C.,et al."Design of rhomboid micro stroke amplifier for FSM system".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 45.10(2016).
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