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Printing inks optimization for gallery dosimeters
Kabelková, Markéta ; Klusoň, Petr (referee) ; Veselý, Michal (advisor)
This bachelor thesis focuses on the optimization of print inks for gallery dosimeters. The experimental part deals with the preparation of a light dosimeter based on two dyes, optimizing their composition with respect to the technique of application of the layers and the sensitivity of dosimeter. The optimization was performed on dependence of pH values, dyes ratio and amount of polymer binder. The layers were applied in various ways, either with individual dyes in two layers over them, or mixing both dyes and applying one layer. The layers were prepared and then they were exposed and studied in detail for their color response to the light. The aim was to prepare a sensitive dosimeter with a clearly recognizable color change.
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Properties of titania layers fabricated from ball-milled colloid dispersions
Rajmonová, Anna ; Klusoň, Petr (referee) ; Dzik, Petr (advisor)
This diploma thesis deals with changing properties of the thin layered titanium dioxide dispersion depending on the time of ball-milling. Titanium dioxide is immobilized on glass or conductive glass using the spin-coating method and the prepared thin layers are then characterized by various analytical methods. All of used analytical methods are described in theoretical and experimental sections, these methods include scanning electron microscopy, profilometry, dynamic light scattering, integrating sphere, ellipsometry, BET isotherm, voltammetry and chronoamperometry. At the summary of this diploma thesis is described how the properties of titanium dioxide thin layers change during ball-milling process.
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