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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Preparation and characterization of optically active nanorods
 Gaizura, Filip ; Liška, Petr (referee) ; Dvořák, Petr (advisor)
This work focuses on the qualitative study of the preparation and optical characterization of CsPbBr3 perovskite nanorods. The first part contains a brief description of 3D, 2D and 0D perovskite nanostructures, and then focuses on the description of the 1D structure - perovskite nanorods, their possible crystal structures, stability, possible preparation methods, optical properties and use in various optoelectronic devices. The practical part discusses in detail the preparation of CsPbBr3 perovskite nanorods using colloidal synthesis based on ligand-assisted reprecipitation and chemical division at room temperature. Furthermore, the synthesized nanorods are analyzed for morphology and their absorption and photoluminescence spectra are measured with the aim of verifying the dependence of optical properties on the mentioned morphology.
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Preparation of GeSn nanostructures
 Jedlička, Jindřich ; Voborný, Stanislav (referee) ; Kolíbal, Miroslav (advisor)
This bachelor thesis deals with the methods of preparation of GeSn nanowires. In the theoretical part of the thesis the band structure of solid states is described and the interesting properties of GeSn material are mentioned. The growth mechanism of nanowires and methods of preparation of GeSn nanowires are introduced. In the experimental part of the thesis the effusion cell for Sn deposition was assembled and the testing and calibration were performed.
Detailed record
Preparation of GeSn nanostructures
 Jedlička, Jindřich ; Voborný, Stanislav (referee) ; Kolíbal, Miroslav (advisor)
This bachelor thesis deals with the methods of preparation of GeSn nanowires. In the theoretical part of the thesis the band structure of solid states is described and the interesting properties of GeSn material are mentioned. The growth mechanism of nanowires and methods of preparation of GeSn nanowires are introduced. In the experimental part of the thesis the effusion cell for Sn deposition was assembled and the testing and calibration were performed.
Detailed record

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