Solid-State Fluorescent Carbon Dots with Aggregation-Induced Yellow Emission for White Light-Emitting Diodes with High Luminous Efficiencies

For practical applications of carbon dots, a major challenge is to prevent the notorious aggregation-caused quenching effect

Yongqiang Zhang; Peng Zhuo; Hao Yin; Yi Fan; Jiahua Zhang; Xingyuan Liu; Zhenqiang Chen

2019

Scholarcy highlights

  • For practical applications of carbon dots, a major challenge is to prevent the notorious aggregation-caused quenching effect
  • The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online
  • A new type of CDs has been developed that can transform from ACQ to an enhancement of fluorescence by aggregation-induced emission
  • The blue fluorescence of the CDs is suppressed by ACQ
  • The photoluminescence spectra, absorption spectra, and time-resolved PL decay curves indicate that Förster resonant energy transfer from dispersed CD1 particles to large CD1 agglomerations leads to the enhancement of yellow fluorescence
  • To exploit its high photoluminescence quantum yield and strong AIE, CD1 is applied as a color-converting layer on blue light-emitting diode chips to fabricate white LEDs
  • Such files may be downloaded by article for research use

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