Light-emitting rubrene nanowire arrays

A comparison with rubrene single crystals

Jin Woo Lee, Kihyun Kim, Dong Hyuk Park, Mi Yeon Cho, Yong Baek Lee, Jin Sun Jung, Dae Chul Kim, Jeongyong Kim, Jinsoo Joo

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

This is a report on a new method of growth of a light-emitting rubrene nanowires array with diameters of 200 ± 10 nm by using organic vapor transport through Al2O3 nanoporous templates. Nanometer-scale laser confocal microscope (LCM) photoluminescence (PL) spectra and crystalline structures of the rubrene nanowires are compared with those of rubrene single crystals prepared with the same experimental conditions without the template. In the LCM PL spectra it is observed that the PL spectra and intensity varies with the detecting positions because of the crystal growth characteristics of the rubrene molecules. A single rubrene nanowire has a wider LCM PL band width than that of the rubrene single crystal. This may originate from the light emissions of the mixed polarized bands due to additional new crystallinity in the formation of the nanowires. From the current-voltage characteristic curves, the semiconducting nature of both the rubrene nanowires and single crystals is observed.

Original languageEnglish
Pages (from-to)704-710
Number of pages7
JournalAdvanced Functional Materials
Volume19
Issue number5
DOIs
Publication statusPublished - 2009 Mar 10

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Nanowires
nanowires
Single crystals
Photoluminescence
single crystals
photoluminescence
Microscopes
microscopes
Lasers
templates
lasers
Light emission
Current voltage characteristics
Crystal growth
light emission
crystal growth
crystallinity
Vapors
Crystallization
rubrene

ASJC Scopus subject areas

  • Biomaterials
  • Electrochemistry
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Light-emitting rubrene nanowire arrays : A comparison with rubrene single crystals. / Lee, Jin Woo; Kim, Kihyun; Park, Dong Hyuk; Cho, Mi Yeon; Lee, Yong Baek; Jung, Jin Sun; Kim, Dae Chul; Kim, Jeongyong; Joo, Jinsoo.

In: Advanced Functional Materials, Vol. 19, No. 5, 10.03.2009, p. 704-710.

Research output: Contribution to journalArticle

Lee, Jin Woo ; Kim, Kihyun ; Park, Dong Hyuk ; Cho, Mi Yeon ; Lee, Yong Baek ; Jung, Jin Sun ; Kim, Dae Chul ; Kim, Jeongyong ; Joo, Jinsoo. / Light-emitting rubrene nanowire arrays : A comparison with rubrene single crystals. In: Advanced Functional Materials. 2009 ; Vol. 19, No. 5. pp. 704-710.
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