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Optoelectronic application of perovskite nanoparticles
Ambro, Filip ; Zdražil,, Lukáš (referee) ; Pospíšil, Jan (advisor)
This bachelor thesis deals with the utilization of perovskite nanoparticles in optoelectronics. The thesis is composed of three main parts. The first part focuses on the theoretical properties of perovskite materials, with an emphasis on their structure and properties influencing their electrical and optical behavior. The second part describes the procedure for preparing solutions of these nanoparticles, their subsequent characterization, the preparation of thin layers, and the subsequent characterization of the optical, electrical, and dielectric properties of these layers. The final part is dedicated to presenting the results of the work and discussion.
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Design and Realization of the Second Generation Imaging Reflectometer and its Application in Optical Analysis of Thin Films
Vodák, Jiří ; Držík,, Milan (referee) ; Klapetek, Petr (referee) ; Ohlídal, Miloslav (advisor)
The work deals with a technique of imaging spectroscopic reflectometry developed at The Institute of Physical Engineering, Brno University of Technology. The technique is well suited for characterization of samples non–uniform along their surfaces. The technique is primarily used for optical characterization of thin films. First part of the work is focused on basic physical principles of the technique and on ways in which measurement data are obtained. It contains a basic description of evaluating methods and a basic concept of an imaging spectroscopic reflectometer with a description of main parts of such a device. The main part of the work is focused on a description of two devices which were built at The Institute of Physical Engineering together with a description of some of upgrades which were implemented to these devices during their development. A description of measurements done with the two devices is also included. Last part of the work is then focused on further development of the technique. Intention of possible evolution of the technique to imaging spectroscopic ellipsometry is proposed.
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Design and Realization of the Second Generation Imaging Reflectometer and its Application in Optical Analysis of Thin Films
Vodák, Jiří ; Držík,, Milan (referee) ; Klapetek, Petr (referee) ; Ohlídal, Miloslav (advisor)
The work deals with a technique of imaging spectroscopic reflectometry developed at The Institute of Physical Engineering, Brno University of Technology. The technique is well suited for characterization of samples non–uniform along their surfaces. The technique is primarily used for optical characterization of thin films. First part of the work is focused on basic physical principles of the technique and on ways in which measurement data are obtained. It contains a basic description of evaluating methods and a basic concept of an imaging spectroscopic reflectometer with a description of main parts of such a device. The main part of the work is focused on a description of two devices which were built at The Institute of Physical Engineering together with a description of some of upgrades which were implemented to these devices during their development. A description of measurements done with the two devices is also included. Last part of the work is then focused on further development of the technique. Intention of possible evolution of the technique to imaging spectroscopic ellipsometry is proposed.
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