Address:

Ao. Prof. Dr. S. Landgraf	Tel.: ++43 316 873-8235, -8221
Technical University Graz	Fax: ++43 316 873-8225
Institute of Physical and Theoretical Chemistry	E-Mail: landgraf@ptc.tu-graz.ac.at
Technikerstrasse 4/I	FTP: ptc.tu-graz.ac.at
A-8010 Graz / Austria	login: ftpuser, password: transfer

Brand new: CECP 2008 Central European Conference on Photochemistry

Navigation: Research Interests Software Hardware Education Financial support Databases

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Research Interests :

Electron transfer reactions - theory, methods and applications Science scheme

a) General informations about LDs and LEDs, more ...
b) Modulation technique using digital storage oscilloscopes, more ...
c) Single photon counting with pulsed light sources, more ...
d) Practical applications of semiconductor light sources, more ...

a) Electron transfer reactions in the diffusion limit of the Rehm-Weller equation, more ...
b) Investigation of the magnetic field effect on photochemical reactions (M.A.R.Y.), more ...

a) Marcus theory and Marcus cross relation
b) Kinetic studies of the electron self-exchange using EPR linebroadering techniques, more ...
c) Thermal reactions studied with flow techniques, more ...

a) Electrochemical investigations of photochemically produced short living intermediates
b) Determination of diffusion coefficients using electrochemical techniques

List of publications Top

Software : electron transfer recording and analysis

• ESR_FIT (DOS)
  ESR_FIT, Version 1.43B, is a shell for several different EPR fit routines. Corresponding control program for JEOL and Varian EPR spectrometer is ESR_CALC, version 3.2B

• ZEISSMMS (DOS)
  ZEISSMMS, Version 3.2B, is a controlling program for all MMS-typ diode array spectrometers of the Zeiss company (Oberkochen, Germany).

• CYCVOLT (DOS)
  CYCVOLT, Version 3.21, is a controlling program for electrochemical experiments using self developed as well as commercial potentiostats.

• LD_CALC (DOS)
  LD_CALC, Versions 1.21G and 2.00, are for controlling and calculation in modulation fluorometry experiments.
  
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Hardware : spectroscopy and electrochemistry

• Laser diode modulation experiment, more ...

• Single-photon-counting, more ...

• Laser induced absorption and emission spectra, more ...

• Magnetic field dependent fluorescence intensity, more ...

• Diode array spectrometer, more ...

• Electrochemical potentiostats

• Other facilities of the institute, like EPR and other photochemical equipment, see here.
  
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Education

• Index of all educational activities on the online server of the TU Graz (german) online.tu-graz.ac.at

• Modern aspects of chemical kinetics, lecture [Index]
  

• Modern aspects of chemical kinetics, seminar [Index]
  

• Chemistry of the atmosphere, lecture [Index]
  

• Pratical course: Molecular modelling
  

• Pratical course: Fluorescence lifetime determination
  
  

  Diploma thesis: Currently available topics

• Practical applications of fluorescence lifetime determination (with Landgraf)
  

• EPR investigations under high pressure (with Rassmussen)
  

• Fluorescence quenching of Ru(II) complexes (with Nararak)
  

• Fast quenching processes in viscous media (with Rosspeintner)
  
  

  Diploma / PhD thesis: Running thesis

• Kinetics of fast photoinduced electron transfer reactions of various ruthenium(II) complexes in solution (Nararak)
  
  

  Diploma / PhD thesis: Finished thesis

• Aufbau einer Single Photon Counting Apparatur und die Fluoreszenzlöschung von Rubren durch organische Radikale (Justinek)
  
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Financial Support

Technical University Graz

DFG Deutsche Forschungsgemeinschaft

VW foundation (Volkswagen-Stiftung)

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Databases (under construction, be patient)

Fluorescence lifetime database (test version)

Redoxpotential database

Extinction coefficient database

Solvent properties database

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Dr. S. Landgraf, Graz