Characterization and Investigation of NLO Properties of some Selected Electrodeposited Polythiophenes

Viviana Figa', Kulyk, Luc, Baitoul, Sahraoui

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16 Citazioni (Scopus)

Abstract

In this work we study the electronic properties of ClO− doped polythiophenes and discuss the nonlinear optical properties of these organic4compounds galvanostatically electrodeposited on ITO glasses. The investigation on the electronic properties (band gap, flat band potential)was performed by means of a non-destructive optical technique, photocurrent spectroscopy (PCS). The investigation on the nonlinear opticalresponse was carried out by means of second and third harmonic generation (SHG and THG) measurements. In particular, the effect of theoxidation state of the polymeric films was studied by comparing the NLO response of oxidized and reduced polythiophenes. Reduced poly-meric films show higher values of the second (χh2i) and third (χh3i) order nonlinear optical susceptibilities
Lingua originaleEnglish
Numero di pagine6
RivistaJOURNAL OF THE EUROPEAN OPTICAL SOCIETY. RAPID PUBLICATIONS
Volume4
Stato di pubblicazionePublished - 2009

All Science Journal Classification (ASJC) codes

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