White luminescence from polymer thin films containing excited-state intramolecular proton-transfer dyes

Sehoon Kim, Jangwon Seo, Ho Kuk Jung, Jang Joo Kim, Soo Young Park

Research output: Contribution to journalArticle

128 Citations (Scopus)

Abstract

The generation of white luminescence from polymer thin films, which contain excited-state intramolecular proton-transfer (ESIPT) dyes, was analyzed. This approach can be validated by mixing two different ESIPT dyes SOX and DOX with bluish-green (SOX) and orange (DOX) keto emissions in a polymer matrix. It is found that this binary mixture of ESIPT dyes emits broad luminescence in the visible region that is close to a whitish color with Commission Internationale de L'Eclairage (CIE) coordinates. The results show that due to the limited energy transfer, emissions from orange and bluish-green ESIPT dyes could be combined to generate white-light electroluminescence with a maximum luminance of 3100 cd m-2.

Original languageEnglish
Pages (from-to)2077-2082
Number of pages6
JournalAdvanced Materials
Volume17
Issue number17
DOIs
Publication statusPublished - 2005 Sep 5
Externally publishedYes

Fingerprint

Proton transfer
Polymer films
Excited states
Luminescence
Coloring Agents
Dyes
Thin films
Electroluminescence
Binary mixtures
Polymer matrix
Energy transfer
Luminance
Color

ASJC Scopus subject areas

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

Cite this

White luminescence from polymer thin films containing excited-state intramolecular proton-transfer dyes. / Kim, Sehoon; Seo, Jangwon; Jung, Ho Kuk; Kim, Jang Joo; Park, Soo Young.

In: Advanced Materials, Vol. 17, No. 17, 05.09.2005, p. 2077-2082.

Research output: Contribution to journalArticle

Kim, Sehoon ; Seo, Jangwon ; Jung, Ho Kuk ; Kim, Jang Joo ; Park, Soo Young. / White luminescence from polymer thin films containing excited-state intramolecular proton-transfer dyes. In: Advanced Materials. 2005 ; Vol. 17, No. 17. pp. 2077-2082.
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