Experimental study by the IR spectroscopy method of the interaction between ethylene and nanopores of various densities

The combination vibrational bands ν5 + ν9 and ν1 + ν11 of ethylene absorption adsorbed by silica aerogel nanopores of different densities have been studied for the first time in the 5700- to 6300-cm−1 spectral region. The conducted measurements show significant differences between the spectra of ethylene in aerogels and ethylene in the gas phase, which consist of the change of the absorption band shapes, the shift of the band frequency, and the increase of the absorption intensity. It was concluded that in the studied pressure range of 88–952 mbar, the adsorbed ethylene is in the same structural state.

[1]  J. Limtrakul,et al.  Investigation of ethylene dimerization over faujasite zeolite by the ONIOM method. , 2005, Chemphyschem : a European journal of chemical physics and physical chemistry.

[2]  Satoru Tsuchikawa,et al.  Adsorptive and Capillary Condensed Water in Biological Material , 1998 .

[3]  Yun-Yang. Huang.  Ethylene complexes in copper(I) and silver (I) Y zeolites , 1980 .

[4]  O. Bertrand,et al.  Experimental and simulated infrared spectroscopic studies of the interaction of ethylene on a MFI zeolite , 2004 .

[5]  Y. Ponomarev,et al.  High resolution ethylene absorption spectrum between 6035 and 6210 cm-1 , 2008 .

[6]  S. Ciraci,et al.  Hydrogen Absorption Properties of Metal- Ethylene Complexes , 2007, cond-mat/0701569.

[7]  R. Hamers,et al.  STEREOSELECTIVITY IN MOLECULE-SURFACE REACTIONS : ADSORPTION OF ETHYLENE ON THE SILICON(001) SURFACE , 1997 .

[8]  Y. Kharzheev,et al.  Use of silica aerogels in Cherenkov counters , 2008 .

[9]  Satoru Tsuchikawa,et al.  Near-Infrared Spectroscopic Monitoring of the Water Adsorption/Desorption Process in Modern and Archaeological Wood , 2008, Applied spectroscopy.

[10]  A. Perrin,et al.  Investigation of the Fine Structure in Overtone Absorption Bands of 12C2H4 , 1999 .

[11]  G. Scoles,et al.  Near-infrared spectroscopy of ethylene and ethylene dimer in superfluid helium droplets. , 2005, The Journal of chemical physics.

[12]  W. Demtröder,et al.  Sub-Doppler optothermal overtone spectroscopy of ethylene and dichloroethylene , 1998 .

[13]  M. Herman,et al.  The vibrational energy pattern in ethylene (12C2H4) , 1999 .

[14]  R. Michael.  Infrared spectra of adsorbed molecules , 1968 .

[15]  B. Schmidt,et al.  Frequency Shifts in Infrared Spectra of Ethylene Clusters , 1994 .