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Self-assembled multilayer films containing 1,8,15,22-tetrakis (8-quinolineoxy-5-sulfonic acid)-phthalocyanine copper: Preparation, and third order nonlinear optical properties

  • Chunying He*
  • , Jingze Fan
  • , Zhongguo Li
  • , Yachen Gao
  • , Zhimin Chen
  • , Yinglin Song
  • , Yiqun Wu
  • , Bin Wang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Composite film with alternating layers containing anionic 1,8,15,22-tetrakis (8-quinolineoxy-5-sulfonic acid)-phthalocyanine copper and cationic polydiallydimethylammonium chloride was fabricated by electrostatic self-assembled layer-by-layer (LBL) technique. The microstructure of the film was characterized by a series of techniques. The third-order nonlinear optical properties of the film were measured using 4f coherent imaging system with phase object (NIT-PO) with laser duration of 20 ps at the wavelength of 532 nm. The film exhibited excellent nonlinear absorption and self-focusing effect. The second-order molecular hyperpolarizability γ value of the film reaches as high as 1.54 × 10-29 esu.

Original languageEnglish
Pages (from-to)746-752
Number of pages7
JournalOptical Materials
Volume36
Issue number4
DOIs
StatePublished - Feb 2014
Externally publishedYes

Keywords

  • 4f Coherent imaging system
  • Electronic self-assembly
  • Phthalocyanine
  • Thin film
  • Third-order optical nonlinearity

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