Conjugated polymer-fullerene blend with strong optical limiting in the near-infrared | Zendy

SanHui Chi | Zendy; Joel M. Hales | Zendy; Matteo Cozzuol | Zendy; Charles Ochoa | Zendy; Madison Fitzpatrick | Zendy; Joseph W. Perry | Zendy

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Conjugated polymer-fullerene blend with strong optical limiting in the near-infrared

Author(s) -

SanHui Chi,

Joel M. Hales,

Matteo Cozzuol,

Charles Ochoa,

Madison Fitzpatrick,

Joseph W. Perry

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.022062

Subject(s) - materials science , optoelectronics , femtosecond , absorption (acoustics) , optics , nanosecond , figure of merit , infrared , dispersion (optics) , fullerene , polymer , laser , organic chemistry , chemistry , composite material , physics

Optical-quality, melt processable thick films of a conjugated polymer blend containing poly(2-methoxy-5-(2-ethyl-hexyloxy)-(phenylene vinylene)) (MEH-PPV), a C(60) derivative (PCBM) and a plasticizer (1,2-di-iso-octylphthalate) have been developed and their nonlinear absorption and optical limiting properties have been investigated. These blend materials exhibited strong optical limiting characteristics in the near infrared region (750-900 nm), with broad temporal dynamic range spanning femtosecond to nanosecond pulse widths. The dispersion of the optical limiting figure-of-merit of the MEH-PPV:PCBM:DOP blend shows a peak near the wavelength of the MEH-PPV cation, indicating an important role of one-photon and two-photon induced charge transfer in the nonlinear absorption response.

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