中空介孔氧化硅纳米颗粒的制备及应用进展

Hollow mesoporous silica nanoparticles: preparation methods and applications

集空腔与介孔结构于一体的中空介孔氧化硅纳米材料(HMSNs)因其高比表面积、可调孔径、低密度和高渗透等特性,而在诸多领域展现了极大的潜在应用前景。该文对中空-介孔氧化硅纳米颗粒的主要制备方法及其优缺点进行了概述,着重阐述了硬核模板法、液体界面组装法和界面重组与转换法的研究进展;同时,介绍了中空介孔氧化硅纳米颗粒在生物医药、催化和光学领域方面的应用。最后,对其制备和应用目前存在的挑战以及后续突破方向进行了分析和展望。

Hollow mesoporous silica nanoparticles(HMSNs)integrating inner cavity and mesoporous structure have showed great potential applications in many fields due to their large specific surface area,tunable pore sizes,low density and favorable permeability.The major preparation methods of HMSNs and their advantages and disadvantages are summarized.The methods of hard-core template,liquid-interface assembly,interfacial reassembly and transformation for preparing HMSNs are discussed.Furthermore,the applications of HMSNs in the fields such as biomedicine,catalysis and optics are introduced.Finally,the challenges and research directions of its preparation and application are analyzed and prospected.