Circularly polarized luminescence in quantum dot-based materials

Liu, Yanze; Gao, Xiaobin; Zhao, Biao; Deng, Jianping

doi:10.1039/d4nr00644e

Nanoscale

2024

DOI: 10.1039/d4nr00644e

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Circularly polarized luminescence in quantum dot-based materials

Yanze Liu,

Xiaobin Gao,

Biao Zhao

et al.

Abstract: Quantum dots (QDs) have emerged as fantastic luminescent nanomaterials with significant potentials due to their unique photoluminescence properties. With the rapid development of circularly polarized luminescence (CPL) materials, many researchers...

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Cited by 5 publications

References 187 publications

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Exploring Nanoscale Perovskite Materials for Next-Generation Photodetectors: A Comprehensive Review and Future Directions

Li,

Aftab,

Mukhtar

et al. 2024

Nano-Micro Lett.

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The rapid advancement of nanotechnology has sparked much interest in applying nanoscale perovskite materials for photodetection applications. These materials are promising candidates for next-generation photodetectors (PDs) due to their unique optoelectronic properties and flexible synthesis routes. This review explores the approaches used in the development and use of optoelectronic devices made of different nanoscale perovskite architectures, including quantum dots, nanosheets, nanorods, nanowires, and nanocrystals. Through a thorough analysis of recent literature, the review also addresses common issues like the mechanisms underlying the degradation of perovskite PDs and offers perspectives on potential solutions to improve stability and scalability that impede widespread implementation. In addition, it highlights that photodetection encompasses the detection of light fields in dimensions other than light intensity and suggests potential avenues for future research to overcome these obstacles and fully realize the potential of nanoscale perovskite materials in state-of-the-art photodetection systems. This review provides a comprehensive overview of nanoscale perovskite PDs and guides future research efforts towards improved performance and wider applicability, making it a valuable resource for researchers.

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Exploring Nanoscale Perovskite Materials for Next-Generation Photodetectors: A Comprehensive Review and Future Directions

Li,

Aftab,

Mukhtar

et al. 2024

Nano-Micro Lett.

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Aggregation-Induced Emission Carbon Dot-Based Multicolor Circularly Polarized Afterglow with a High Luminescence Dissymmetry Factor

Guo,

Ling,

Zheng

et al. 2024

J. Phys. Chem. Lett.

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Carbon dots (CDs) with circularly polarized afterglow (CPA) materials have drawn increasing attention as cutting-edge research in the field of chiral luminescence owing to their promising applications in various fields. However, due to the weak optical activity of chiral CDs and the limited afterglow color of phosphorescent CDs, it is still a formidable challenge to construct multicolor CD-based CPA materials with a high luminescence dissymmetry factor (g lum ). Herein, positively charged aggregation-induced emission (AIE) CDs were prepared using dithiosalicylic acid and ionic liquid as precursors. Encapsulating the positively charged AIE CDs in the chiral nematic structure of negatively charged cellulose nanocrystal (CNC) films enabled the production of a surprising warm white CPA with g lum up to −0.16. To further expand the color of afterglow, the phosphorescence resonance energy transfer between CDs and commercial fluorescent dyes was constructed in CNC films. Finally, the potential applications in advanced dynamic information encryption were explored by virtue of the different afterglow lifetimes.

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Near-infrared circularly polarized luminescence enabled by chiral inorganic nanomaterials

Huang,

Zhou,

Guo

et al. 2025

Nanoscale

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Circularly polarized luminescence in quantum dot-based materials

Abstract: Quantum dots (QDs) have emerged as fantastic luminescent nanomaterials with significant potentials due to their unique photoluminescence properties. With the rapid development of circularly polarized luminescence (CPL) materials, many researchers...

Cited by 5 publications

References 187 publications

Exploring Nanoscale Perovskite Materials for Next-Generation Photodetectors: A Comprehensive Review and Future Directions

Exploring Nanoscale Perovskite Materials for Next-Generation Photodetectors: A Comprehensive Review and Future Directions

Aggregation-Induced Emission Carbon Dot-Based Multicolor Circularly Polarized Afterglow with a High Luminescence Dissymmetry Factor

Near-infrared circularly polarized luminescence enabled by chiral inorganic nanomaterials

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