Vibrational dynamics of CO stretching in W(CO)6-doped hybrid xerogels from 5 K to room temperature with the CLIO-FEL

被引：17

作者：

Galaup, JP

Broquier, M

Crépin, C

Dubost, H

Ortega, JM

Chaput, F

Boilot, JP

机构：

[1] CNRS, Aime Cotton Lab, F-91405 Orsay, France

[2] Univ Paris 11, Photophys Mol Lab, F-91405 Orsay, France

[3] LURE, F-91405 Orsay, France

[4] Ecole Polytech, Phys Mat Condensee Lab, F-91128 Palaiseau, France

来源：

JOURNAL OF LUMINESCENCE | 2000年 / 86卷 / 3-4期

关键词：

free electron laser; pump-probe spectroscopy; photon echo; xerogels; tungsten hexacarbonyl;

D O I：

10.1016/S0022-2313(00)00194-0

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

One color pump-probe and photon-echo experiments have been performed on the CO stretching mode of W(CO)(6) at about 1982 cm(-1) in organo-mineral xerogels. Over the whole temperature range studied, from room temperature to 5 K, the population lifetime T-1 remains constant when the vibrational dephasing time T-2 lengthens slightly. The temperature evolution of the pure dephasing time T-2* reveals two activation energies corresponding to molecular motions of the guest in the xerogel pore. (C) 2000 Elsevier Science B.V. All rights reserved.

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页码：363 / 370

页数：8

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