Technology and Equipment for the Synthesis of Colloidal Quantum Dots CsPbX₃ (X = Cl, Br, I) and CdSe/ZnS, Ag/SiO₂ Plasmonic Nanoparticles, and Hybrid Structures Based on Them
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초록
The thesis develops the physical and technological principles of the colloidal synthesis of semiconductor and metal nanostructures and studies hybrid structures based on them. It presents three purpose-built setups, protected by Russian utility model patents: a reactor for nanoparticle synthesis in a flow of immiscible liquids, a setup for layer-by-layer deposition (SILAR and electrochemical ALD), and a light-scattering indicatrix setup for real-time monitoring of synthesis and deposition. For cesium lead halide perovskite nanocrystals CsPbX₃ (X = Cl, Br, I), a physicochemical triangulation of the Cs–Pb–X systems shows the role of the [PbX₆] anionic octahedra in their growth, fast anion exchange and radiation hardness: CsPbBr₃ nanocrystals keep their photoluminescence under γ-irradiation far better than CdSe/ZnS quantum dots, and oriented attachment gives (100)-textured nanocrystal layers. Monodisperse Ag/SiO₂ core/shell nanoparticles with 15–40 nm silica shells enhance the photoluminescence of CdSe/ZnS quantum dots up to 8.7 times at a 25 nm shell.
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인용 방법
@phdthesis{matyushkin2018thesis,
author = {Matiushkin, L. B.},
title = {Technology and Equipment for the Synthesis of Colloidal Quantum Dots CsPbX₃ (X = Cl, Br, I) and CdSe/ZnS, Ag/SiO₂ Plasmonic Nanoparticles, and Hybrid Structures Based on Them},
school = {Saint Petersburg Electrotechnical University ``LETI''},
address = {Saint Petersburg},
year = {2018},
type = {Candidate of Technical Sciences thesis},
note = {In Russian. English translation by an AI agent: https://matyushkin.github.io/science/dissertation-2018-en.pdf},
url = {https://matyushkin.github.io/science/dissertation-2018.pdf}
}