Abstract
The effective homogeneous line width Γ′hom of the S1 ← S0 0-0 transitions of bacteriochlorophyll-a (BChl-a) in the glass triethylamine (TEA) and of free-base chlorin (H2Ch) in polystyrene (PS) have been studied, respectively, under the influence of high pressure (~30 kbar) and for a range of concentrations (~ 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 Γ′hom on temperature (1.2-4.2 K), excitation wavelength (within the 0-0 band) and delay time (10-6-105 s) was measured for both systems by means of spectral hole burning.
| Original language | English |
|---|---|
| Pages (from-to) | 55-61 |
| Number of pages | 7 |
| Journal | Journal of Luminescence |
| Volume | 64 |
| Issue number | 1-6 |
| DOIs | |
| Publication status | Published - May 1995 |
| Externally published | Yes |
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