Please use this identifier to cite or link to this item: https://idr.l3.nitk.ac.in/jspui/handle/123456789/7030
Title: A new nonlinear optically active donor-acceptor-type conjugated polymer: Synthesis and electrochemical and optical characterization
Authors: Manjunatha, M.G.
Adhikari, A.V.
Hegde, P.K.
Suchand, Sandeep, C.S.
Philip, R.
Issue Date: 2010
Citation: Journal of Electronic Materials, 2010, Vol.39, 12, pp.2711-2719
Abstract: A new donor-acceptor-type poly[3-{5-[3,4-didodecyloxy-5-(1,3,4-oxadiazol- 2-yl)thiophen-2-yl]-1,3,4-oxadiazol-2-yl}-9-dodecyl-9H-carbazole] (P) has been synthesized through multistep reactions. The new polymer P exhibited good thermal stability and film-forming behavior. The electrochemical band gap is estimated to be 2.15 eV. The polymer emits intense green fluorescence in the solid state. Third-order nonlinear optical (NLO) studies showed that the strong absorptive nonlinearity observed for the polymer is of the optical limiting type, which is due to an "effective" three-photon absorption (3PA) process. This 3PA process can have potential applications in photonic devices. The studies revealed that the new polymer P is a promising material for development of efficient optoelectronic devices. � 2010 TMS.
URI: http://idr.nitk.ac.in/jspui/handle/123456789/7030
Appears in Collections:2. Conference Papers

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