ArticleNanomaterials (Basel, Switzerland)2021
Changes in Optical Properties upon Dye-Clay Interaction: Experimental Evaluation and Applications.
Article in Nanomaterials (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 15 citations in OpenAlex.
- Identification and morphological characterization of different types of plastic microparticles.Heliyon · 2024Article
- Controversial Issues Related to Dye Adsorption on Clay Minerals: A Critical Review.Molecules (Basel, Switzerland) · 2023Review
- Material-Specific Determination Based on Microscopic Observation of Single Microplastic Particles Stained with Fluorescent Dyes.Sensors (Basel, Switzerland) · 2022Article
- Metal-Modified Montmorillonite as Plasmonic Microstructure for Direct Protein Detection.Sensors (Basel, Switzerland) · 2021Article
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Authors and funding
3 authors at 1 institution in 1 country.
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Abstract
The development of hybrid materials with unique optical properties has been a challenge for the creation of high-performance composites. The improved photophysical and photochemical properties observed when fluorophores interact with clay minerals, as well as the accessibility and easy handling of such natural materials, make these nanocomposites attractive for designing novel optical hybrid materials. Here, we present a method of promoting this interaction by conjugating dyes with chitosan. The fluorescent properties of conjugated dye-montmorillonite (MMT) hybrids were similar to those of free dye-MMT hybrids. Moreover, we analyzed the relationship between the changes in optical properties of the dye interacting with clay and its structure and defined the physical and chemical mechanisms that take place upon dye-MMT interactions leading to the optical changes. Conjugation to chitosan additionally ensures stable adsorption on clay nanoplatelets due to the strong electrostatic interaction between chitosan and clay. This work thus provides a method to facilitate the design of solid-state hybrid nanomaterials relevant for potential applications in bioimaging, sensing and optical purposes.
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