Dual-mode waveguiding of Raman and luminescence signals in a crystalline organic microplate

Seong Gi Jo, Dong Hyuk Park, Bong Gi Kim, Sungbaek Seo, Suk Joong Lee, Jeongyong Kim, Jinsang Kim, Jinsoo Joo

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We demonstrate dual-mode waveguiding of Raman and luminescence signals using π-conjugated organic 1,4-bis(3,5-bis(trifluoromethyl) cyanostyryl)-2,5-dibromobenzene (CN-TSDB) microplates with single-crystal structure. The output Raman and photoluminescence (PL) spectra through the CN-TSDB microplates were recorded as a function of propagation distance using a high-resolution laser confocal microscope (LCM). Under 633 nm Raman excitation, which is outside the optical absorption of the microplates, the characteristic Raman modes of C-Br, -CF3, and -CC- aromatic stretching were clearly observed at the output points. The decay characteristics of the LCM Raman intensities were comparable to those of LCM PL intensities. The intermolecular π-π interaction of CN-TSDB has been enhanced by the attractive interaction between the CN group and Br atoms, which induces efficient polariton propagation and plays an important role in dual-mode waveguiding. This journal is

Original languageEnglish
Pages (from-to)6077-6083
Number of pages7
JournalJournal of Materials Chemistry C
Volume2
Issue number30
DOIs
Publication statusPublished - 2014 Aug 14

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Luminescence
Microscopes
Crystalline materials
Lasers
Photoluminescence
Light absorption
Stretching
Crystal structure
Single crystals
Atoms

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

Cite this

Dual-mode waveguiding of Raman and luminescence signals in a crystalline organic microplate. / Jo, Seong Gi; Park, Dong Hyuk; Kim, Bong Gi; Seo, Sungbaek; Lee, Suk Joong; Kim, Jeongyong; Kim, Jinsang; Joo, Jinsoo.

In: Journal of Materials Chemistry C, Vol. 2, No. 30, 14.08.2014, p. 6077-6083.

Research output: Contribution to journalArticle

Jo, Seong Gi ; Park, Dong Hyuk ; Kim, Bong Gi ; Seo, Sungbaek ; Lee, Suk Joong ; Kim, Jeongyong ; Kim, Jinsang ; Joo, Jinsoo. / Dual-mode waveguiding of Raman and luminescence signals in a crystalline organic microplate. In: Journal of Materials Chemistry C. 2014 ; Vol. 2, No. 30. pp. 6077-6083.
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