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标题:Visual and sensitive fluorescent sensing for ultratrace mercury ions by perovskite quantum dots.
时间:2019-10-09 23:31:17
DOI:10.1016/j.aca.2017.07.014
PMID:28870314
大小:1879 kb
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目录:
  • Visual and sensitive fluorescent sensing for ultratrace mercury ions by perovskite quantum dots
    • 1. Introduction
    • 2. Experimental section
      • 2.1. Materials and instrumentation
      • 2.2. Synthesis of CH3NH3PbBr3 perovskite QDs
      • 2.3. Hg2+ sensing by fluorescence spectra
      • 2.4. Spot plate of the perovskite QDs for Hg2+ sensing
    • 3. Results and discussion
      • 3.1. Characterization of CH3NH3PbBr3 perovskite QDs
      • 3.2. Reaction time choice for Hg2+ sensing
      • 3.3. Sensitive detection of Hg2+ by the CH3NH3PbBr3 QDs
      • 3.4. Selectivity of perovskite QDs for Hg2+ sensing
      • 3.5. Possible mechanism of quenching effect by Hg2+
      • 3.6. Spot test for visual detection of Hg2+
    • 4. Conclusions
    • Acknowledgements
    • Appendix A. Supplementary data
    • References

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