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Multicolour synthesis in lanthanide-doped nanocrystals through cation exchange in water

Author

Listed:
  • Sanyang Han

    (National University of Singapore)

  • Xian Qin

    (Institute of Materials Research and Engineering, Agency for Science, Technology and Research)

  • Zhongfu An

    (Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University)

  • Yihan Zhu

    (Advanced Membrane and Porous Materials Center, King Abdullah University of Science and Technology)

  • Liangliang Liang

    (National University of Singapore)

  • Yu Han

    (Advanced Membrane and Porous Materials Center, King Abdullah University of Science and Technology)

  • Wei Huang

    (Key Laboratory of Flexible Electronics & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University
    Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing University of Posts and Telecommunications)

  • Xiaogang Liu

    (National University of Singapore
    Institute of Materials Research and Engineering, Agency for Science, Technology and Research
    SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University)

Abstract

Meeting the high demand for lanthanide-doped luminescent nanocrystals across a broad range of fields hinges upon the development of a robust synthetic protocol that provides rapid, just-in-time nanocrystal preparation. However, to date, almost all lanthanide-doped luminescent nanomaterials have relied on direct synthesis requiring stringent controls over crystal nucleation and growth at elevated temperatures. Here we demonstrate the use of a cation exchange strategy for expeditiously accessing large classes of such nanocrystals. By combining the process of cation exchange with energy migration, the luminescence properties of the nanocrystals can be easily tuned while preserving the size, morphology and crystal phase of the initial nanocrystal template. This post-synthesis strategy enables us to achieve upconversion luminescence in Ce3+ and Mn2+-activated hexagonal-phased nanocrystals, opening a gateway towards applications ranging from chemical sensing to anti-counterfeiting.

Suggested Citation

  • Sanyang Han & Xian Qin & Zhongfu An & Yihan Zhu & Liangliang Liang & Yu Han & Wei Huang & Xiaogang Liu, 2016. "Multicolour synthesis in lanthanide-doped nanocrystals through cation exchange in water," Nature Communications, Nature, vol. 7(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms13059
    DOI: 10.1038/ncomms13059
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    Cited by:

    1. Lei Lei & Yubin Wang & Weixin Xu & Renguang Ye & Youjie Hua & Degang Deng & Liang Chen & Paras N. Prasad & Shiqing Xu, 2022. "Manipulation of time-dependent multicolour evolution of X-ray excited afterglow in lanthanide-doped fluoride nanoparticles," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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