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工程化介孔二氧化硅基纳米颗粒：表面性质表征

Engineered Mesoporous Silica-Based Nanoparticles: Characterization of Surface Properties.

作者信息

Grisolia Antonio, De Santo Marzia, Curcio Manuela, Cavallaro Palmira Alessia, Morelli Catia, Leggio Antonella, Pasqua Luigi

机构信息

Department of Environmental Engineering, University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende, CS, Italy.

Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, CS, Italy.

出版信息

Materials (Basel). 2024 Jul 6;17(13):3352. doi: 10.3390/ma17133352.

DOI:10.3390/ma17133352
PMID:38998432
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11243720/
Abstract

Mesoporous silica-based nanomaterials have emerged as multifunctional platforms with applications spanning catalysis, medicine, and nanotechnology. Since their synthesis in the early 1990s, these materials have attracted considerable interest due to their unique properties, including high surface area, tunable pore size, and customizable surface chemistry. This article explores the surface properties of a series of MSU-type mesoporous silica nanoparticles, elucidating the impact of different functionalization strategies on surface characteristics. Through an extensive characterization utilizing various techniques, such as FTIR, Z-potential, and nitrogen adsorption porosimetry, insights into the surface modifications of mesoporous silica nanoparticles are provided, contributing to a deeper understanding of their nanostructure and related interactions, and paving the way to possible unexpected actionability and potential applications.

摘要

介孔二氧化硅基纳米材料已成为多功能平台，其应用涵盖催化、医学和纳米技术。自20世纪90年代初合成以来，这些材料因其独特的性质，包括高比表面积、可调孔径和可定制的表面化学性质，而引起了广泛关注。本文探讨了一系列MSU型介孔二氧化硅纳米颗粒的表面性质，阐明了不同功能化策略对表面特性的影响。通过利用傅里叶变换红外光谱（FTIR）、Z电位和氮吸附孔隙率测定等各种技术进行广泛表征，深入了解了介孔二氧化硅纳米颗粒的表面修饰，有助于更深入地理解其纳米结构和相关相互作用，并为可能产生的意外可操作性和潜在应用铺平道路。

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