TY - GEN
T1 - Hydrogen bonds at low temperatures
T2 - European Quantum Electronics Conference, EQEC 2003
AU - Simeonidis, K.
AU - Laenen, R.
AU - Laubereau, A.
PY - 2003
Y1 - 2003
N2 - This study presents data of 2,2-dimethyl-3-ethyl-3-pentanol (DMEP) for the first time measured at low temperatures down to 15 K with a two color IR sub-picosecond pump-probe hole burning experiment. In addition, the investigation recorded temperature dependent conventional FT-IR spectra. The results substantiate the role of those combination modes for the broadening of the OH absorption band even in the simple case of a dimer bond. The relaxation dynamics of the OH stretching vibration is shown to accelerate at low temperatures, accompanied by a strengthening of the hydrogen bonds. In particular, the average T1 lifetime of the OH-stretch decreases from 4 ps at room temperature to 2.5 ps at 15 K.
AB - This study presents data of 2,2-dimethyl-3-ethyl-3-pentanol (DMEP) for the first time measured at low temperatures down to 15 K with a two color IR sub-picosecond pump-probe hole burning experiment. In addition, the investigation recorded temperature dependent conventional FT-IR spectra. The results substantiate the role of those combination modes for the broadening of the OH absorption band even in the simple case of a dimer bond. The relaxation dynamics of the OH stretching vibration is shown to accelerate at low temperatures, accompanied by a strengthening of the hydrogen bonds. In particular, the average T1 lifetime of the OH-stretch decreases from 4 ps at room temperature to 2.5 ps at 15 K.
UR - http://www.scopus.com/inward/record.url?scp=84947272641&partnerID=8YFLogxK
U2 - 10.1109/EQEC.2003.1314017
DO - 10.1109/EQEC.2003.1314017
M3 - Conference contribution
AN - SCOPUS:84947272641
T3 - 2003 European Quantum Electronics Conference, EQEC 2003
SP - 160
BT - 2003 European Quantum Electronics Conference, EQEC 2003
PB - Institute of Electrical and Electronics Engineers Inc.
Y2 - 22 June 2003 through 27 June 2003
ER -