Issue 5, 2024

Carbon quantum dots (CQDs)-modified polymers: a review of non-optical applications

Abstract

Carbon quantum dots (CQDs) are a promising candidate to replace metal-based additives for polymer reinforcement and functionalization. Specifically, vast interest in CQDs for polymer functionalization stems from their cost effectiveness, sustainable organic precursors, and their non-toxicity. Although several reviews of optical devices based on CQDs have been reported, this mini-review covers the non-optical aspects of CQD–polymer composites. Applications of CQD-modified polymers for smart devices, mechanical reinforcement, textile surface-modification methods, membranes, protective coatings, and thermal resistance are summarized. The synthesis method of CQDs, their dispersion in a polymer matrix and the underlying mechanisms related to the enhanced performance of composites are outlined. Unlike nano-reinforcements, CQDs are self-stabilized and offer an extremely high surface area, which significantly alters the polymer properties at a 1–2% concentration. Finally, a comparative analysis of recent advances in CQD–polymer composites, their problems, and future directions are discussed.

Graphical abstract: Carbon quantum dots (CQDs)-modified polymers: a review of non-optical applications

Associated articles

Supplementary files

Article information

Article type
Minireview
Submitted
05 okt 2023
Accepted
24 nov 2023
First published
21 des 2023

Nanoscale, 2024,16, 2265-2288

Carbon quantum dots (CQDs)-modified polymers: a review of non-optical applications

Z. Latif, K. Shahid, H. Anwer, R. Shahid, M. Ali, K. H. Lee and M. Alshareef, Nanoscale, 2024, 16, 2265 DOI: 10.1039/D3NR04997C

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