Photocarrier creation in one dimension
- 1 July 1981
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine Part B
- Vol. 44 (1) , 31-45
- https://doi.org/10.1080/01418638108222365
Abstract
Experimental results, and theoretical discussion, are presented on photocarrier creation in large single crystals of a conjugated polymer: the bis(p-toluene sulphonate) ester of 2,4-hexadiyne-1,6-diol. The quantum efficiency for carrier creation as a function of photon energy is found absolutely. The probability φ of carrier pairs avoiding geminate recombination is characteristic of a one-dimensional system, and well described by a theory due originally to Onsager. φ is linear in field at low fields, going over to Poole–Frenkel–Schottky variation at high fields. φ is exponentially dependent on temperature, with an activation energy depending on field, and on the mechanism of carrier creation.Keywords
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