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Lecturer(s)
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Berka Karel, doc. RNDr. Ph.D.
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Štefková Barbora, RNDr.
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Bužková Aneta, Mgr.
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Prucek Robert, doc. RNDr. Ph.D.
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Žižlavská Adéla, Ing. Ph.D.
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Course content
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1. Introduction the techniques and instruments (dynamic light scattering, UV-VIS spectroscopy etc.) to the students. 2. Preparation of silver nanoparticles via reduction of silver ammonia complex by maltose, xylose or glucose. Study of the influence of ammonia concentration on characteristics of the prepared silver nanoparticles. Characterization of prepared nanoparticles by means of Dynamic Light Scattering (DLS) method and UV-visible absorption spectroscopy. 3. Preparation of silver nanoparticles via reduction of silver ammonia complex by ascorbic acid, hydroquinone or catechol. Study of the influence of pH on characteristics of the prepared silver nanoparticles. Characterization of the prepared nanoparticles by means of Dynamic Light Scattering (DLS) method and UV-visible absorption spectroscopy. 4. Preparation of copper nanoparticles via reduction of copper salt by sodium borohydride or hydrazine in the presence of sodium polyacrylate. Characterization of the prepared nanoparticles by means of Dynamic Light Scattering (DLS) method and UV-visible absorption spectroscopy. 5. Preparation of gold nanoparticles via reduction of gold salt by sodium borohydride maltose, glucose or sodium citrate. Study of the influence of pH on the formation and properties of the prepared silver nanoparticles. Characterization of the prepared nanoparticles by means of Dynamic Light Scattering (DLS) method and UV-visible absorption spectroscopy. 6. Preparation of iron oxide nanoparticles via hydrolysis of ferrous/ferric salts. Study of influence of iron salts concentration on the characteristics of the prepared iron oxide nanoparticles. Characterization of the prepared nanoparticles by means of Dynamic Light Scattering (DLS) method and UV-visible absorption spectroscopy. 7. Application of silver gold nanoparticles in surface enhanced Raman spectroscopy. Investigation of particle size influence on intensity of surface enhancement of Raman signal. Investigation of concentration of some inorganic ions on intensity of surface enhancement of Raman signal. 8. Application of the copper, silver or gold nanoparticles in heterogeneous catalysis. As a model catalytic reaction will be used for example reduction of 4-nitrophenol. Study of an influence type and size of the used nanoparticles. 9. Preparation of self-organized layers of silver nanoparticles on glass substrate using 3-aminopropyltriethoxysilane as spacer molecule. Study of influence of spacer molecule on characteristics of the prepared layers. Characterization of the prepared self-organized layers silver by UV-visible absorption spectroscopy. 10. Preparation of self-organized layers of gold nanoparticles on glass substrate using 3-thiopropyltriethoxysilane as spacer molecule. Study of influence of spacer molecule on characteristics of the prepared layers. Characterization of the prepared self-organized gold layers by UV-visible absorption spectroscopy.
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Learning activities and teaching methods
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Observation, Laboratory Work
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Learning outcomes
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The practicals from Nanomaterial Chemistry are focused on the preparation metallic and metal oxides based nanoparticles and colloid particles and their characterisation using basic methods and techniques. Furthermore, applications of the prepared particles in the field of heterogeneous catalysis and Raman spectroscopy are examined.
Ability to apply and practice fundamental procedures and methods in physical chemistry.
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Prerequisites
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unspecified
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Assessment methods and criteria
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Student performance
1. Active participation at ALL of the practice sessions (100% attendance) 2. Laboratory report elaborated and handed in according to the given requirements
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Recommended literature
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Farraro, J. R., Nakamoto, K., Brown, Ch. W. (2003). Introductory Raman Spectroscopy. Elsevier.
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Prucek, R., Kilianová, M. (2013). Cvičení ze základů nanomateriálové chemie. VUP Olomouc.
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Richards, R. (2005). Surface and Nanomolecular Catalysis. CRC Tailor-Francis Group, London.
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Sergeev, G. B. (2006). Nanochemistry. Elsevier.
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