High-Purity Carbon Dots Prepared by Modulating Morphology of Carbon Nano-Crystals: In Vitro and In Vivo Multi-Color Bioimaging

Feng Huo; Yuran Tang; Yuhang Liu; Chao Tan; Lin Chang; Zakaria Mirza; Wei Zhang

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자료유형: 학술저널

저자정보: Feng Huo (Neijiang Normal University) Yuran Tang (Neijiang Normal University) Yuhang Liu (Neijiang Normal University) Chao Tan (Yibin University) Lin Chang (Chinese Academy of Sciences) Zakaria Mirza (Chinese Academy of Sciences) Wei Zhang (Chinese Academy of Sciences)

저널정보: 성균관대학교 성균나노과학기술원 NANO NANO Vol.14 No.12

발행연도: 2019.1

수록면: 84 - 98 (15page)

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Due to the unique optical properties and excellent biological applications, carbon-based luminescent materials have become a research hotspot in recent years. In this paper, we report a synthesis method under mild condition, in which Carbon NanoCrystals (CNCs) were first prepared, and then high-purity multi-color carbon dots (HPMCCDs) were synthesized by modulating crystal morphology. The prepared nonfluorescent CNCs are, respectively, dissolved in a strong polar solvent and a weak polar solvent to prepare HPMCCDs. It exhibits the multi-excitation and multi-emission features (from green to yellow). The high-purity carbon dots (HPCDs) prepared by using this method demonstrate the higher quantum yields (QYs) (53.7%) than that of the carbon dots (CD) by traditional hydrothermal methods with dialysis, and make full use of the atomic economic model. Besides, it shows the unique up-conversion luminescence property (UCLP) at lower wavelength excitation and, which can also be placed for a long time at room temperature without being oxidized or deteriorated. Furthermore, we explored the regulation of polar-chromism mechanism of the CNCs. Finally, the HPMCCDs can be used for multi-color bioimaging in vivo and in vitro and as well as many other potential applications.

#Modulating Morphology #Carbon Nano-Crystals (CNCs) #High-Purity Carbon Dots (HPCD) #Polar-chromism #Multi-Color Bioimaging

참고문헌 (38)

참고문헌 신청

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H. Yu / 2015 / Chem. Commun 52:819

C. Sun / 2015 / Nanoscale 7:12045

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Y. Sun / 2006 / J. Am. Chem. Soc 128:7756

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