Accéder directement au contenu Accéder directement à la navigation
Article dans une revue

Analysis of Electrical and Optical Properties of DNA:PDT-PSS Thin Films

Abstract :

We report investigations of functionalized DNA:PEDT-PSS films. The electrical conductivity of the sample material at the room temperature was about (1–5)*10-10 Ω-1cm-1. The IV curves of the samples were linear and symmetrical in the region from the room temperature down to the liquid Nitrogen temperature. The thermal activation energy of the conductivity near the room temperature was about 0.033 eV independently on the applied bias. The weak carrier trapping was identified by the Thermally Stimulated Current method, proving the fast recombination of light-generated carriers. Notably, by constant light excitation a “bistable” photoconduction below the room temperature was evidenced. I.e., upon excitation by a white light a remarkable increase of the photocurrent could be observed below 145–155 K by cooling the samples. Meanwhile by heating the photosensitivity remained increased up to 235–245 K. Such phenomenon could presumably be attributed to the light-induced morphology changes of the sample material.

Type de document :
Article dans une revue
Domaine :
Liste complète des métadonnées
Contributeur : Okina Univ Angers Connectez-vous pour contacter le contributeur
Soumis le : mardi 14 septembre 2021 - 10:29:54
Dernière modification le : jeudi 9 décembre 2021 - 15:46:05


  • HAL Id : hal-03343372, version 1
  • OKINA : ua2026


Vaidotas Kažukauskas, Andrius Arlauskas, Mindaugas Pranaitis, Oksana Krupka, François Kajzar, et al.. Analysis of Electrical and Optical Properties of DNA:PDT-PSS Thin Films. Nonlinear Optics, Quantum Optics, 2010, 41 (1), pp.19 - 25. ⟨hal-03343372⟩



Consultations de la notice