Abstract
Persistent holes were burned in the S 1 ← S 0 transition of 2,7,12,17-tetra- tert-butyl-tetra-azaporphine embedded in a broad range of polymeric solids and used to investigate the electron-phonon coupling (EPC) processes in the temperature range between 5 and 30–50 K. Relationships were established between the strength of EPC and the bulk properties of polymers, such as velocities of transversal and longitudinal ultrasound waves, mechanical moduli, total heat content and polarity.
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