articleAdvanced MaterialsJul 31, 2017Closed access

53% Efficient Red Emissive Carbon Quantum Dots for High Color Rendering and Stable Warm White‐Light‐Emitting Diodes

ZWZifei WangFYFanglong YuanXLXiaohong LiYLYunchao LiHZHaizheng Zhong

Beijing Normal University · Beijing Institute of Technology · +2 more institutions

PubMed
Indexed incrossrefpubmed

Abstract

Red emissive carbon quantum dots (R-CQDs) with quantum yield of 53% is successfully prepared. An ultraviolet (UV)-pumped CQD phosphors-based warm white light-emitting diode (WLED) is realized for the first time and achieves a color rendering index of 97. This work provides a new avenue for the exploration of low cost, environment-friendly, and high-performance CQD phosphors-based warm WLEDs.

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Authors

7

Topics & keywords

Topics
Keywords
  • Color rendering index
  • Phosphor
  • Materials science
  • Optoelectronics
  • Diode
  • Quantum dot
  • High color
  • Quantum yield
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