Analysis of methods for studying the size of nanoparticles
G.I. Sverdlik, A.Yu. Ataeva, A.R. Ataev, E.A. Khadzaragova, L.T. Vazieva
North Caucasian Institute of Mining and Metallurgy (State Technological University)
Abstract: In the presented work, various methods for determining the size of nanoparticles are considered. An effective method for finding possible options has been determined. Information on various methods and studies was selected and analyzed. Fundamentally different methods for finding the sizes of nanoparticles are considered. Non-contact (optical) methods are the most promising. The particle size ranges of the investigated particles are analyzed and presented using the next methods: optical microscopy, electron microscopy, scanning probe microscopy. The principles of operation and possible schemes of installations for studying the material under study are described. The sedimentation method, using centrifugation and the X-ray principle of detection, is described in more detail. Its advantages over other methods are noted. Examples are given of its use in an experimental setup that allows obtaining differential and integral characteristics in various bases, which make it possible to analyze the particle size distribution in the granulometric study of materials, including nanomaterials.
Keywords: nanoparticles, sedimentation method, sedimentometer, gravity sedimentation, centrifugation, differential and integral curves
- Grigorii I. Sverdlik – Dr. Sc., Professor of the Department «Technological Machines and Equipment», North Caucasian Institute of Mining and Metallurgy (State Technological University)
- Angela Yu. Ataeva – Ph.D., Docent, Department «Technological Machines and Equipment», Director of the Center of Collective Use of Scientific Equipment, North Caucasian Institute of Mining and Metallurgy (State Technological University)
- Amond R. Ataev – Master's degree, Faculty of Architecture and Civil Engineering, North Caucasian Institute of Mining and Metallurgy (State Technological University)
- Elena A. Khadzaragova – Dr. Sc., Professor, Vice-Rector for Research and Innovation, North Caucasian Institute of Mining and Metallurgy (State Technological University)
- Lyudmila T. Vazieva – Ph.D., Docent, Head of the Department «Physical and Mathematical Disciplines», North Caucasian Institute of Mining and Metallurgy (State Technological University)
Sverdlik, G.I. Analysis of methods for studying the size of nanoparticles / G.I. Sverdlik, A.Yu. Ataeva, A.R. Ataev, E.A. Khadzaragova, L.T. Vazieva // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. — 2021. — I. 13. — P. 358-367. DOI: 10.26456/pcascnn/2021.13.358. (In Russian).
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