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Master's Thesis
Author of thesis: Ing. Dominika Kortusová
Acad. year: 2014/2015
Supervisor: RNDr. Michaela Šimšíková, Ph.D.
Reviewer: RNDr. Eva Valušová, Ph.D.
This thesis deals with green synthesis of noble metals nanoparticles. The first part contains secondary literature research which maps both the traditional and newly developed techniques of nanoparticles preparation. Most attention is given to the various types of green synthesis, which constitute an environmentally friendly alternative to industrially applied methods. The second part deals with the preparation of noble metal nanoparticles using tea broths. The section describes the entire synthesis process and includes photographic documentation. A total of eight colloidal solutions were prepared, four of each metal. The nanoparticles were subsequently analyzed using UV-vis spectroscopy. A time-lapse spectroscopic description of each synthesis was also undertaken. Furthermore, the size distribution of the particles by volume was measured and compared with the pictures obtained by scanning electron microscopy. The results have showed that tea broths, especially those from black tea and rooibos, are suitable for the biosynthesis of stable noble metal nanoparticles.
green synthesis, nanoparticles, gold, silver, spectroscopy, colloids, tea
Date of defence
23.06.2015
Result of the defence
Defended (thesis was successfully defended)
Grading
A
Language of thesis
Czech
Faculty
Fakulta strojního inženýrství
Department
Institute of Physical Engineering
Study programme
Applied Sciences in Engineering (N3901-2)
Field of study
Physical Engineering and Nanotechnology (M-FIN)
Composition of Committee
prof. RNDr. Tomáš Šikola, CSc. (předseda) prof. RNDr. Miroslav Liška, DrSc. (místopředseda) prof. RNDr. Bohumila Lencová, CSc. (člen) prof. RNDr. Jiří Komrska, CSc. (člen) prof. RNDr. Petr Dub, CSc. (člen) prof. RNDr. Radim Chmelík, Ph.D. (člen) prof. RNDr. Jiří Spousta, Ph.D. (člen) prof. Ing. Ivan Křupka, Ph.D. (člen) prof. RNDr. Pavel Zemánek, Ph.D. (člen) RNDr. Antonín Fejfar, CSc. (člen)
Supervisor’s reportRNDr. Michaela Šimšíková, Ph.D.
Grade proposed by supervisor: B
Reviewer’s reportRNDr. Eva Valušová, Ph.D.
Grade proposed by reviewer: B
Responsibility: Mgr. et Mgr. Hana Odstrčilová