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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, Pramod Kumar
Suchand Sandeep, C.S.
Philip, Reji
Keywords: Donor-acceptor conjugated polymer
N-dodecyl carbazole
electrochemical properties
optical limiting
Issue Date: Dec-2010
Publisher: Springer
Citation: Journal of Electronic Materials, 2010, Vol.39, p2711
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.
Description: Restricted Access. This paper was first Published in 139th TMS Annual meeting and exhibition on Pb-Free solders and emerging interconnect and packaging technologies. Seattle, WA, FEB 14-18, 2010
ISSN: 0361-5235
1543-186X (Online)
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Copyright: 2010 TMS and Springer
Appears in Collections:Research Papers (LAMP)

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