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The effects of layered nanoparticles and their properties on the molecular aggregation of organic dyes
Journal of Photochemistry and Photobiology C: Photochemistry Reviews ( IF 13.6 ) Pub Date : 2018-03-20 , DOI: 10.1016/j.jphotochemrev.2018.03.001
Juraj Bujdák

The phenomenon of metachromasia, which is related to molecular aggregation, leads to significant changes in the photophysical properties of dyes. This review summarizes existing knowledge about molecular aggregation in hybrid systems containing inorganic nanoparticles and metachromatic dyes. The history of metachromasia, physical principles of molecular aggregation, and spectral properties of dye aggregates of various structures are briefly presented. The structure, surface properties, and several types of layered nanomaterials are also described. The main part of the review covers the fundamental properties of nanoparticles, metachromatic dyes, and their hybrid systems, that influence the aggregation of dye molecules. The focus is on the colloidal properties and the surface charge effect of nanoparticles. The importance of the surface charge of layered particles is demonstrated by detailed analysis of current research. The relevance of the phenomenon of molecular aggregation for research and application in the context of layered nanoparticles is then summarized.



中文翻译:

层状纳米颗粒及其性质对有机染料分子聚集的影响

与分子聚集有关的变色现象会导致染料的光物理性质发生重大变化。这篇综述总结了关于含有无机纳米粒子和变色染料的混合系统中分子聚集的现有知识。简要介绍了变色的历史,分子聚集的物理原理以及各种结构的染料聚集体的光谱特性。还描述了层状纳米材料的结构,表面性质和几种类型。综述的主要部分涵盖了影响染料分子聚集的纳米粒子,变色染料及其杂化系统的基本特性。重点是纳米粒子的胶体性质和表面电荷效应。层状颗粒表面电荷的重要性已通过对当前研究的详细分析得到了证明。然后总结了分子聚集现象对于层状纳米颗粒研究和应用的相关性。

更新日期:2018-03-20
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