Suchergebnis: Katalogdaten im Frühjahrssemester 2017

Chemie Master Information
Anorganische Chemie
529-0134-00LFunctional InorganicsW7 KP3GM. Kovalenko, T. Lippert, Y. Romanyuk
KurzbeschreibungThis course will cover the synthesis, properties and applications of inorganic materials. In particular, the focus will be on photo-active coordination compounds, quasicrystals, nanocrystals (including nanowires), molecular precursors for inorganic materials and metal-organic frameworks.
LernzielUnderstanding the structure-property relationship and the design principles of modern inorganic materials for prospective applications in photovoltaics, electrochemical energy storage (e.g. Li-ion batteries), thermoelectrics and photochemical and photoelectrochemical water splitting.
Inhalt(A) Introduction into the synthesis and atomic structure of modern molecular and crystalline inorganic materials.
-Nanocrystals, including shape engineering
-Molecular precursors (including organometallic and coordination compounds) for inorganic materials
-Metal-organic frameworks
-Photoactive molecules

(B) Applications of inorganic materials:
-Li-ion batteries
-Photochemical and photoelectrochemical water splitting
-Light-emitting devices etc.
Skriptwill be distributed during lectures
Literaturwill be suggested in the lecture notes
Voraussetzungen / BesonderesNo special knowledge beyond undergraduate curriculum
529-0144-00LNMR Spectroscopy in Inorganic ChemistryW7 KP3GR. Verel
KurzbeschreibungTheory and applications of NMR spectroscopy with a focus of its use to problems in Inorganic Chemistry.
The use of the Bloch Equations to describe broadband and selective excitation, measurement techniques and processing strategies of NMR data, applications of NMR to the study of molecular structure, chemical exchange processes, diffusion spectroscopy, and solid-state NMR techniques.
LernzielIn depth understanding of both practical and theoretical aspects of solution and solid-state NMR and its application to problems in Inorganic Chemistry
InhaltSelection of the following themes:
1. Bloch Equations and its use to understand broadband and selective pulses.
2. Measurement techniques and processing strategies of NMR data.
3. Applications of NMR to the study of molecular structure: Experiments and strategies to solve problems in Inorganic Chemistry.
4. Application of NMR to the study of chemical exchange processes.
5. Application of NMR to the study of self-diffusion and the determination of diffusion coefficients.
6. Differences and similarities between fundamental interactions in solution and solid-state NMR
7. Experimental techniques in solid-state NMR (Magic Angle Spinning, Cross Polarization, Decoupling and Recoupling Techniques, MQMAS)
8. The use of Dynamic Nuclear Polarization for the study of surfaces.
SkriptA handout is provided during the lectures. It is expected that the students will consult the accompanying literature as specified during the lecture.
LiteraturSpecified during the lecture
Voraussetzungen / Besonderes529-0432-00 Physikalische Chemie IV: Magnetische Resonanz 529-0058-00 Analytische Chemie II
(or equivalent)
529-0941-00LIntroduction to Macromolecular ChemistryW4 KP3GA. D. Schlüter
KurzbeschreibungBasic definitions, types of polyreactions, constitution of homo- and copolymers, networks, configurative and conformative aspects, contour length, coil formation, mobility, glass temperature, rubber elasticity, molecular weight distribution, energetics of and examples for polyreactions.
LernzielUnderstanding the significance of molecular size, constitution, configuration and conformation of synthetic and natural macromolecules for their specific physical and chemical properties.
InhaltThis introductory course on macromolecular chemistry discusses definitions, introduces types of polyreactions, and compares chain and step-growth polymerizations. It also treats the constitution of polymers, homo- and copolymers, networks, configuration and conformation of polymers. Topics of interest are contour length, coil formation, the mobility in polymers, glass temperature, rubber elasticity, molecular weight distribution, energetics of polyreactions, and examples for polyreactions (polyadditions, polycondensations, polymerizations). Selected polymerization mechanisms and procedures are discussed whenever appropriate throughout the course. Some methods of molecular weight determination are introduced.
SkriptCourse materials (consisting of personal notes and distributed paper copies) are sufficient for exam preparation.
Voraussetzungen / BesonderesThe course will be taught in English. Complicated expressions will also be given in German. Questions are welcome in English or German. The written examination will be in English, answers in German are acceptable. A basic chemistry knowledge is required.

PhD students who need recognized credit points are required to pass the written exam.
227-0390-00LElements of MicroscopyW4 KP3GM. Stampanoni, G. Csúcs, A. Sologubenko
KurzbeschreibungThe lecture reviews the basics of microscopy by discussing wave propagation, diffraction phenomena and aberrations. It gives the basics of light microscopy, introducing fluorescence, wide-field, confocal and multiphoton imaging. It further covers 3D electron microscopy and 3D X-ray tomographic micro and nanoimaging.
LernzielSolid introduction to the basics of microscopy, either with visible light, electrons or X-rays.
InhaltIt would be impossible to imagine any scientific activities without the help of microscopy. Nowadays, scientists can count on very powerful instruments that allow investigating sample down to the atomic level.
The lecture includes a general introduction to the principles of microscopy, from wave physics to image formation. It provides the physical and engineering basics to understand visible light, electron and X-ray microscopy.
During selected exercises in the lab, several sophisticated instrument will be explained and their capabilities demonstrated.
LiteraturAvailable Online.
402-0468-15LNanomaterials for Photonics Information W6 KP2V + 1UR. Grange
KurzbeschreibungThe lecture describes various nanomaterials (semiconductor, metal, dielectric, carbon-based...) for photonic applications (optoelectronics, plasmonics, photonic crystal...). It starts with nanophotonic concepts of light-matter interactions, then the fabrication methods, the optical characterization techniques, the description of the properties and the state-of-the-art applications.
LernzielThe students will acquire theoretical and experimental knowledge in the different types of nanomaterials (semiconductors, metals, dielectric, carbon-based, ...) and their uses as building blocks for advanced applications in photonics (optoelectronics, plasmonics, photonic crystal, ...). Together with the exercises, the students will learn (1) to read, summarize and discuss scientific articles related to the lecture, (2) to estimate order of magnitudes with calculations using the theory seen during the lecture, (3) to prepare a short oral presentation about one topic related to the lecture, and (4) to imagine a useful photonic device.
Inhalt1. Introduction to Nanomaterials for photonics
a. Classification of the materials in sizes and speed...
b. General info about scattering and absorption
c. Nanophotonics concepts

2. Analogy between photons and electrons
a. Wavelength, wave equation
b. Dispersion relation
c. How to confine electrons and photons
d. Tunneling effects

3. Characterization of Nanomaterials
a. Optical microscopy: Bright and dark field, fluorescence, confocal, High resolution: PALM (STORM), STED
b. Electron microscopy : SEM, TEM
c. Scanning probe microscopy: STM, AFM
d. Near field microscopy: SNOM
e. X-ray diffraction: XRD, EDS

4. Generation of Nanomaterials
a. Top-down approach
b. Bottom-up approach

5. Plasmonics
a. What is a plasmon, Drude model
b. Surface plasmon and localized surface plasmon (sphere, rod, shell)
c. Theoretical models to calculate the radiated field: electrostatic approximation and Mie scattering
d. Fabrication of plasmonic structures: Chemical synthesis, Nanofabrication
e. Applications

6. Organic nanomaterials
a. Organic quantum-confined structure: nanomers and quantum dots.
b. Carbon nanotubes: properties, bandgap description, fabrication
c. Graphene: motivation, fabrication, devices

7. Semiconductors
a. Crystalline structure, wave function...
b. Quantum well: energy levels equation, confinement
c. Quantum wires, quantum dots
d. Optical properties related to quantum confinement
e. Example of effects: absorption, photoluminescence...
f. Solid-state-lasers : edge emitting, surface emitting, quantum cascade

8. Photonic crystals
a. Analogy photonic and electronic crystal, in nature
b. 1D, 2D, 3D photonic crystal
c. Theoretical modeling: frequency and time domain technique
d. Features: band gap, local enhancement, superprism...

9. Optofluidic
a. What is optofluidic ?
b. History of micro-nano-opto-fluidic
c. Basic properties of fluids
d. Nanoscale forces and scale law
e. Optofluidic: fabrication
f. Optofluidic: applications
g. Nanofluidics

10. Nanomarkers
a. Contrast in imaging modalities
b. Optical imaging mechanisms
c. Static versus dynamic probes
SkriptSlides and book chapter will be available for downloading
LiteraturReferences will be given during the lecture
Voraussetzungen / BesonderesBasics of solid-state physics (i.e. energy bands) can help
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