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Bright Multicolor Bandgap Fluorescent Carbon Quantum Dots for Electroluminescent Light-Emitting Diodes

Louzhen Fan
- Iss: 12, pp 826-826
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TLDR
For the first time, monochrome electroluminescent light-emitting diodes (LEDs) with MCBF-CQDs directly as an active emission layer are fabricated and the maximum luminance of blue LEDs reaches 136 cd m-2, which is the best performance for CQD-based monochrominescent LEDs.
Abstract
Multicolor bandgap fluorescent carbon quantum dots (MCBF-CQDs) from blue to red with quantum yield up to 75% are synthesized using a solvothermal method. For the first time, monochrome electroluminescent light-emitting diodes (LEDs) with MCBF-CQDs directly as an active emission layer are fabricated. The maximum luminance of blue LEDs reaches 136 cd m-2 , which is the best performance for CQD-based monochrome electroluminescent LEDs.

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Citations
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References
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Origin of White Electroluminescence in Graphene Quantum Dots Embedded Host/Guest Polymer Light Emitting Diodes

TL;DR: Experiments revealed that white EL emission from the PLED originated from the hybridized GOQD-PVK complex emission with the contributions from the individual GOQDs and PVK emissions, and simple device structure was used to reveal the origin of EL.
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Direct blending of multicolor carbon quantum dots into fluorescent films for white light emitting diodes with an adjustable correlated color temperature

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Progress and challenges in understanding of photoluminescence properties of carbon dots based on theoretical computations

TL;DR: In this paper, a review of state-of-the-art theoretical methods for the description of absorption and photoluminescence (PL) of CDs and their limitations, along with providing an overview of theoretical studies addressing structural models and the electronic structure of various types of CDs in the context of their overall optical properties.
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A novel graphene-based electroluminescent gas sensor for carbon dioxide detection

TL;DR: In this article, an alternating-current electroluminescent (AC-EL) device for carbon dioxide (CO2) detection at room temperature was reported. But the authors did not report the performance of the sensor.
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