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Optical relaxation in organic disordered systems submitted to photochemical and non-photochemical hole-burning |
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| Authors: | H P H Thijssen R van den Berg S Vlker |
| Institution: | Centre for the Study of the Excited States of Molecules, Gorlaeus and Huygens Laboratories, University of Leyden, Leyden, The Netherlands |
| Abstract: | The temperature dependence of the homogeneous linewidth (Γhom) of S1 ← S0 0-0 transitions of organic amorphous systems undergoing either photochemical or non-photochemical hole-burning from 4.2 down to 0.3 K is presented. In all cases Γhom follows a T1.3 dependence, and extrapolates to or actually reaches the lifetime-limited value of the guest. An estimate of the relative guest-host coupling strengths is made. |
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