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

doi:10.1002/adfm.200801180

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 journal › Article › peer-review

39 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 language	English
Pages (from-to)	704-710
Number of pages	7
Journal	Advanced Functional Materials
Volume	19
Issue number	5
DOIs	https://doi.org/10.1002/adfm.200801180
Publication status	Published - 2009 Mar 10

ASJC Scopus subject areas

General Chemistry
General Materials Science
Condensed Matter Physics

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10.1002/adfm.200801180

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title = "Light-emitting rubrene nanowire arrays: A comparison with rubrene single crystals",

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.",

author = "Lee, {Jin Woo} and Kihyun Kim and Park, {Dong Hyuk} and Cho, {Mi Yeon} and Lee, {Yong Baek} and Jung, {Jin Sun} and Kim, {Dae Chul} and Jeongyong Kim and Jinsoo Joo",

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T1 - Light-emitting rubrene nanowire arrays

T2 - A comparison with rubrene single crystals

AU - Lee, Jin Woo

AU - Kim, Kihyun

AU - Park, Dong Hyuk

AU - Cho, Mi Yeon

AU - Lee, Yong Baek

AU - Jung, Jin Sun

AU - Kim, Dae Chul

AU - Kim, Jeongyong

AU - Joo, Jinsoo

PY - 2009/3/10

Y1 - 2009/3/10

N2 - 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.

AB - 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.

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JO - Advanced Functional Materials

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IS - 5

ER -

Light-emitting rubrene nanowire arrays: A comparison with rubrene single crystals

Abstract

ASJC Scopus subject areas

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