Chemistry

Synthesis of fluorescent organic nano-dots and their application as efficient color conversion layers

Y. Khan, S. Hwang, et al.

Discover the groundbreaking research conducted by Yeasin Khan and colleagues at Kyung Hee University, showcasing fluorescent organic nanoparticles that exceed the performance of traditional quantum dots. These innovative color conversion layers promise unmatched stability and efficiency in display technologies.

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Abstract

Color conversion layers (CCLs) are crucial for various display and lighting technologies. While inorganic quantum dots (QDs) are commonly used, they suffer from instability and toxicity. This research explores the use of fluorescent organic nanoparticles (NPs), offering superior stability and water-processability. The study investigates the impact of ionic and non-ionic surfactants on the synthesis and properties of fluorescent organic NPs, achieving nearly 100% conversion of organic fluorophores into sub-micrometer particles (nano-dots). These nano-dots, demonstrating excellent color purity and conversion efficiency, outperform InP-based CCLs in terms of both efficiency and long-term stability.

Publisher

Nature Communications

Published On

Apr 04, 2022

Authors

Yeasin Khan, Soonjae Hwang, Ramanaskanda Braveenth, Young Hun Jung, Bright Walker, Jang Hyuk Kwon

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