High efficiency and quadratic nonlinear optical properties of a fully optimized 2D octupolar crystal characterized by nonlinear microscopy

Véronique Le Floc'h, Sophie Brasselet, Joseph Zyss, Bong Rae Cho, Sang Hae Lee, Seung Joon Jeon, Minhaeng Cho, Kil Sik Min, Myunghyun Paik Suh

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

The high efficiency and quadratic nonlinear optical properties of 2D octupolar crystal of 1,3,5-tricyano-2,4,6-tris(p-diethylaminostyryl)benzene (TTB), which is characterized by nonlinear microscopy, was analyzed. The TTB single crystals were obtained by evaporating a saturated solution of TTB in CH2Cl2-EtOEt. To confirm optically the octupolar crystalline structure and determine the molecular arrangement inside the submillimeter-sized crystal, a polarized nonlinear microscopy technique was applied along with second harmonic generation (SHG) and two-photon fluorescence (TPF). The results show that optical polarization measurements of both SHG and TPF confirmed the non-centrosynmmetric threefold symmetry of the TTB crystal.

Original languageEnglish
Pages (from-to)196-200
Number of pages5
JournalAdvanced Materials
Volume17
Issue number2
DOIs
Publication statusPublished - 2005 Jan 31

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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