Design and Fabrication of an in Situ Laser Raman Spectroscopic Cell for Heterogeneous Catalysis Studies at Elevated Temperature and Pressure

A standing in situ Raman spectroscopic cell for heterogeneous catalysis studies at elevated temperature up to ca. 700℃ and pressure ca. 1.5 MPa. has been designed and fabricated. The in situ spectroscopic cell is adaptable to heterogeneous catalysis studies particularly. We have achieved some successes on the field of spectroscopic research of oxidative dimerization of mathane to C₂ hydrocarbon using the in situ Raman cell.