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Synthesis, third-order nonlinear absorption and refraction of fullerene dyads containing fluorene

Paper ID Volume ID Publish Year Pages File Format Full-Text
27619 44033 2010 7 PDF Available
Title
Synthesis, third-order nonlinear absorption and refraction of fullerene dyads containing fluorene
Abstract

Two new fullerene–fluorene dyads, N-methyl-2-(2-fluorenyl)-3,4-[60]fuller-pyrrolydine (1) and N-methyl-2-(2-fluorenyl)-3,4-[70]fullerpyrrolydine (2), were synthesized and their structures were confirmed by MALDI-MS, 1H NMR and FT-IR. Their electrochemical and optical properties were investigated by cyclic voltammetry and Z-scan technique, including, electronic potentials, two-photon absorption cross-sections (σ2), nonlinear refractive indexes (n2), microscopic second-order hyperpolarizabilities (γR) and third-order nonlinear susceptibilities (χI(3) and χR(3)). Importantly, the χI(3) and σ2 in 2 were increased above 35% due to [70]fullerene unit than that of 1.

Keywords
Fullerene–fluorene; Nonlinear optical properties; Two-photon absorption
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 213, Issue 1, 10 June 2010, Pages 7–13
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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