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Excitation-dependent visible fluorescence in decameric nanoparticles with monoacylglycerol cluster chromophores

Author

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  • Kwang-Ming Lee

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Wan-Yin Cheng

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Cheng-Yu Chen

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Jing-Jong Shyue

    (Research Center for Applied Sciences)

  • Chih-Chun Nieh

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Chen-Fu Chou

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Jia-Rong Lee

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Ya-Yun Lee

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Chih-Yang Cheng

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Sarah Y. Chang

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Thomas C. Yang

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Mei-Ching Cheng

    (National Kaohsiung Normal University, No. 62, Shenjhong Road)

  • Bi-Yun Lin

    (Instrument Center of National Cheng Kung University)

Abstract

Organic fluorescent nanoparticles, excitation-dependent photoluminescence, hydrogen-bonded clusters and lysobisphosphatidic acid are four interesting individual topics in materials and biological sciences. They have attracted much attention not only because of their unique properties and important applications, but also because the nature of their intriguing phenomena remained unclear. Here we report a new type of organic fluorescent nanoparticles with intense blue and excitation-dependent visible fluorescence in the range of 410–620 nm. The nanoparticles are composed of ten bis(monoacylglycerol)bisphenol-A molecules and the self-assembly occurs only in elevated concentrations of 2-monoacylglycerol via radical-catalysed 3,2-acyl migration from 3-monoacylglycerol in neat conditions. The excitation-dependent fluorescence behaviour is caused by chromophores composed of hydrogen-bonded monoacylglycerol clusters, which are linked by an extensive hydrogen-bonding network between the ester carbonyl groups and the protons of the alcohols with collective proton motion and HO···C=O (n→π*) interactions.

Suggested Citation

  • Kwang-Ming Lee & Wan-Yin Cheng & Cheng-Yu Chen & Jing-Jong Shyue & Chih-Chun Nieh & Chen-Fu Chou & Jia-Rong Lee & Ya-Yun Lee & Chih-Yang Cheng & Sarah Y. Chang & Thomas C. Yang & Mei-Ching Cheng & Bi-, 2013. "Excitation-dependent visible fluorescence in decameric nanoparticles with monoacylglycerol cluster chromophores," Nature Communications, Nature, vol. 4(1), pages 1-8, June.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms2563
    DOI: 10.1038/ncomms2563
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    Cited by:

    1. Qiuju Li & Xingyi Wang & Qisu Huang & Zhuo Li & Ben Zhong Tang & Shun Mao, 2023. "Molecular-level enhanced clusterization-triggered emission of nonconventional luminophores in dilute aqueous solution," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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