News

Ursula Keller wins “Swiss Nobel” Marcel Benoist Prize- for pioneering work in ultrafast lasers
MUST2022 Conference- a great success!
New scientific highlights- by MUST PIs Wörner, Chergui, and Richardson
FELs of Europe prize for Jeremy Rouxel- “Development or innovative use of advanced instrumentation in the field of FELs”
Ruth Signorell wins Doron prizefor pioneering contributions to the field of fundamental aerosol science
New FAST-Fellow Uwe Thumm at ETH- lectures on Topics in Femto- and Attosecond Science
International Day of Women and Girls in Science- SSPh asked female scientists about their experiences
New scientific highlight- by MUST PIs Milne, Standfuss and Schertler
EU XFEL Young Scientist Award for Camila Bacellar,beamline scientist and group leader of the Alvra endstation at SwissFEL
Prizes for Giulia Mancini and Rebeca Gomez CastilloICO/IUPAP Young Scientist Prize in Optics & Ernst Haber 2021
Nobel Prize in Chemistry awarded to RESOLV Member Benjamin List- for the development of asymmetric organocatalysis
NCCR MUST at Scientifica 2021- Lightning, organic solar cells, and virtual molecules

UV-Vis transient absorption

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Location    Contact 
Département de chimie physique
Université de Genève
30, quai Ernest Ansermet
1211 Genève 4 		   Bernhard Lang
022 379 6535
1bes0rnn.hab*rdi*.lv'anr&g@f)une-igf4e.c.cho 
     

Setup / Configuration

 		    
  • Pump-probe transient absorption spectrometer, based on a 1 kHz amplified Ti:Sapphire system
  • pump wavelength: 266nm, 320-350nm (in prep.), 400nm, 480-680nm, 800nm
  • probe wavelength: white light continuum from 360nm – 750nm
  • instrument response function: 150 fs (fwhm)
    time delay range up to 2 ns
  • photometric resolution: 10-5 absorption change, optimized for short accumulation times                                                 
 		    
.NOPA   
Picture: Detail of the sample area (bottom right) with the signal spectrometer and the NOPA in the back.

The excitation source can be changed between the 1st, 2nd and 3rd harmonic of the fs-amplifier system and the output of a home-built two-stage NOPA and its mixing with 800 nm (in prep.). Liquid samples are typically placed in a 1mm thick quartz cell with an argon bubbling system to avoid sample damage. Flow cells, optionally with temperature control, can be also used. Solid transparent samples are continuously moved laterally and vertically. 
NCCR MUST Office : ETHZ IQE/ULP-HPT H3 | Auguste-Piccard-Hof 1 | 8093 Zurich | E-Mail
The National Centres of Competence in Research (NCCR) are a research instrument of the Swiss National Science Foundation