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Optoelectronic and nonlinear optical properties of tBu4PcTiO/polymer composite materials

Paper ID Volume ID Publish Year Pages File Format Full-Text
28911 44104 2007 8 PDF Available
Title
Optoelectronic and nonlinear optical properties of tBu4PcTiO/polymer composite materials
Abstract

The optoelectronic and nonlinear optical (NLO) properties of a soluble 2,(3)-(tetra-tert-butylphthalocyaninato)titanium(IV) oxide (tBu4PcTiO) in solutions and in the solid states have been described. The nonlinear response demonstrated that tBu4PcTiO exhibited strong RSA at 532 nm for both solution and solid-state based experiments. The decrease in the effective intensity dependent nonlinear absorption coefficient with increasing input intensities possibly results from high order triple state transitions of the excited-state population. No evidence of film fatigue or degradation was observed in the PMMA/tBu4PcTiO film, after numerous scans at varying laser intensity. The doping of tBu4PcTiO into poly[2-methoxy-5-(2′-ethylhexyloxy)-p-phenylene-vinylene] (MEH-PPV) results in the apparent increases of the open circuit voltage (Voc) and the short circuit photocurrent density under illumination with 40 mW cm−2 white-light. The light absorption of tBu4PcTiO incorporated into polymer represents the dominant contribution to the enhancement of the photocurrent. The dependence of the short circuit photocurrent in an ITO/tBu4PcTiO-doped MEH-PPV/Al cell on the incident light intensity (Iin) between 30 and 200 mW cm−2 was also investigated.

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Keywords
Optoelectronic properties; Phthalocyanine/polymer composite materials; Nonlinear optics; Optical properties; Synthesis of phthalocyanine
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Optoelectronic and nonlinear optical properties of tBu4PcTiO/polymer composite materials
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 185, Issues 2–3, 25 January 2007, Pages 263–270
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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Price after discount Only $4.95
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