THE EFFECT OF PRESSURE, TIME AND CONCENTRATION IN HOLE-BURNING STUDIES

被引:14
作者
KOEDIJK, JMA [1 ]
CREEMERS, TMH [1 ]
DENHARTOG, FTH [1 ]
BAKKER, MP [1 ]
VOLKER, S [1 ]
机构
[1] LEIDEN UNIV,CTR STUDY EXCITED STATES MOLECULES,HUYGENS & GORLAEUS LABS,2300 RA LEIDEN,NETHERLANDS
关键词
D O I
10.1016/0022-2313(95)00010-N
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The effective homogeneous line width Gamma(kom)(') of the S-1 <-- S-0 0-0 transitions of bacteriochlorophyll-a (BChl-a) in the glass triethylamine (TEA) and of free-base chlorin (H(2)Ch) in polystyrene (PS) have been studied, respectively, under the influence of high pressure (similar to 30 kbar) and for a range of concentrations (similar to 10(-4)-10(-2) M). The aim was to get a better understanding of spectral diffusion and energy transfer processes in amorphous systems. The dependence of Gamma(kom)(') on temperature (1.2-4.2 K), excitation wavelength (within the 0-0 band) and delay time (10(-6)-10(5) s) was measured for both systems by means of spectral hole burning.
引用
收藏
页码:55 / 61
页数:7
相关论文
共 30 条
[1]  
Anderson, Halperin, Varma, Anomalous low-temperature thermal properties of glasses and spin glasses, Philosophical Magazine, 25, (1972)
[2]  
Phillips, Tunneling states in amorphous solids, Journal of Low Temperature Physics, 7, (1972)
[3]  
Phillips, Rept. Pogr. Phys., 50, (1987)
[4]  
Klauder, Anderson, Phys. Rev., 125, (1962)
[5]  
Narasimhan, Littau, Pack, Bai, Elschner, Fayer, Chem. Rev., 90, (1990)
[6]  
Littau, Fayer, Chem. Phys. Lett., 1976, (1991)
[7]  
Meijers, Wiersma, Phys. Rev. Lett., 68, (1992)
[8]  
Meijers, Thesis, (1994)
[9]  
Friedrich, Haarer, Optical Spectroscopy of Glasses, (1986)
[10]  
van den Berg, Volker, Chem. Phys. Lett., 127, (1986)