Time resolved vibrational spectroscopy and kinetics of (photo)catalytic reactions

Aim is to:


Understand the rate determining steps in photocatalytic conversions


Liquid phase : Selective oxidation


Gas phase : Selective oxidation including alternative oxidants,
H2S mediated chemistry, H2O decomposition and CO2 reduction

Applied Equipment


Rapid Scan and Step Scan ATR-IR Spectroscopy


ATR Accessories for (Photo)Catalytic Research


Micro-Reactor Based ATR Accessory (with Michiel Kreutzer, TU Delft)


DRIFT Accessories for Transient (Photo)Catalytic Research


Dedicated Vacuum IR Cell for Sulfur Based Chemistry

Time resolved

Recent Publications:


G.Mul, W.Wasylenko, M.S. Hamdy, H.Frei: Cyclohexene photo-oxidation over vanadia catalyst analyzed by time resolved ATR-FT-IR spectroscopy Phys.Chem.Chem.Phys. 10 (2008) 3131


O. Berg, M.S. Hamdy, T. Maschmeyer, J.A. Moulijn M. Bonn, G. Mul: On the wavelength-dependent performance of Cr-doped silica in selective photo-oxidation J. Phys.Chem.C: 112 (2008) 5471


A.R. Almeida, J.A. Moulijn, G. Mul: In situ ATR-FTIR study on the selective photo-oxidation of cyclohexane over anatase TiO2 J. Phys.Chem.C: 112 (2008) 5471


G.Mul, M.A.Banares, G.G.Cortez, B. van der Linden, S.J. Khatib, J.A. Moulijn: MultiTRACK and operando Raman-GC study of oxidative dehydrogenation of propane over alumina-supported vanadium oxide catalysts Phys.Chem.Chem.Phys. 5 (2003) 4378


G.Mul, J. Perez-Ramirez, F.Kapteijn, and J.A.Moulijn: NO-assisted N2O decomposition over ex-framework FeZSM-5: mechanistic aspects Catal. Lett. 77 (2001)  7