Nanomaterials have fascinated experts across numerous fields owing to their intriguing properties and wide-ranging applications. Layered double hydroxides (LDHs) and quantum dots (QDs) are fascinating nanomaterials renowned for their versatility in various consumer products. LDHs are multifunctional two-dimensional nanostructures, whereas QDs are semiconductor nanocrystals with exceptional electronic features. This review explores the synergistic combination of LDHs and QDs in QDs@LDH nanocomposites exploitable across numerous applications. Diverse technologies have been used to customize their morphological and structural features, including ultrasonication, LbL self-assembly, chemical reduction, photochemical processing, microwave-assisted synthesis, and hydro/solvothermal methods. We emphasize the increased surface area, tunable optical properties, improved stability, and enhanced catalytic performance of QDs@LDH nanocomposites that unlock a myriad of biomedical, sensor, energy storage and conversion, optoelectronic, catalytic, environmental, flame retardant, anti-fake detection, paper protection and forensic applications. Mechanistic insights into defect engineering, charge transfer mechanisms, and QD-LDH interactions are provided, elucidating the underlying principles of these nanocomposites’ behavior and functionality.

中文翻译：

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量子dots@layered双氢氧化物：用于多方面应用的新兴纳米复合材料


纳米材料因其迷人的特性和广泛的应用而吸引了众多领域的专家。层状双氢氧化物 （LDH） 和量子点 （QD） 是令人着迷的纳米材料，以其在各种消费产品中的多功能性而闻名。LDH 是多功能二维纳米结构，而 QD 是具有特殊电子特性的半导体纳米晶体。本文探讨了 LDH 和 QDs 在 QDs@LDH 纳米复合材料中的协同组合，可在众多应用中开发。多种技术已被用于定制其形态和结构特征，包括超声、LbL 自组装、化学还原、光化学处理、微波辅助合成和水力/溶剂热方法。我们强调QDs@LDH纳米复合材料增加的表面积、可调的光学特性、提高的稳定性和增强的催化性能，从而解锁了无数的生物医学、传感器、储能和转换、光电、催化、环境、阻燃、防伪检测、纸张保护和法医应用。提供了对缺陷工程、电荷转移机制和 QD-LDH 相互作用的机理见解，阐明了这些纳米复合材料行为和功能的基本原理。