Anisotropic optical absorption of organic rubrene single nanoplates and thin films studied by μ-mapping absorption spectroscopy

Hyunsoo Lee, Ji Hyun Kim, Krishna P. Dhakal, Jin Woo Lee, Jin Sun Jung, Jinsoo Joo, Jeongyong Kim

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Local absorption spectra and absorption coefficients were obtained from organic rubrene single nanoplates. Absorption along the b-axis was higher than along the a-axis for polarized illumination on an ab-faced single-crystal rubrene nanoplate, and the lowest crystal transition peak (∼530 nm) relatively increased in size with an increasing incidence angle due to the anisotropic absorption strength along the crystal axes. Rubrene thin films grown by organic molecular beam deposition displayed microscopically varying absorption spectra; the relative peak height of the M-polarized band and the overall absorption strength were strongest with polarized illumination along the c-axis.

Original languageEnglish
Article number113103
JournalApplied Physics Letters
Volume101
Issue number11
DOIs
Publication statusPublished - 2012 Sep 10

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absorption spectroscopy
optical absorption
thin films
illumination
absorption spectra
molecular beams
crystals
absorptivity
incidence
single crystals
coefficients

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Anisotropic optical absorption of organic rubrene single nanoplates and thin films studied by μ-mapping absorption spectroscopy. / Lee, Hyunsoo; Kim, Ji Hyun; Dhakal, Krishna P.; Lee, Jin Woo; Jung, Jin Sun; Joo, Jinsoo; Kim, Jeongyong.

In: Applied Physics Letters, Vol. 101, No. 11, 113103, 10.09.2012.

Research output: Contribution to journalArticle

Lee, Hyunsoo ; Kim, Ji Hyun ; Dhakal, Krishna P. ; Lee, Jin Woo ; Jung, Jin Sun ; Joo, Jinsoo ; Kim, Jeongyong. / Anisotropic optical absorption of organic rubrene single nanoplates and thin films studied by μ-mapping absorption spectroscopy. In: Applied Physics Letters. 2012 ; Vol. 101, No. 11.
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