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Proceedings Paper

Reversible multi-color electrofluorescence switching
Author(s): Seogjae Seo; Chihyun Park; Xu Yang; Jungmok You; Yuna Kim; Eunkyoung Kim
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Paper Abstract

The color of the electrofluorescence switching device was tuned to white by adding extra electroactive fluorophores with different emission colors. The reversible electrochemistry of fluorophores between neutral and anion radical was accompanied by fluorescence on and off, respectively, allowing fluorescence switching. Since the fluorophores have different emission color and also different redox potential, emission color could be further modified by quenching of the particular emission with precise voltage control. A reversible multicolor switching device was prepared by packing electroactive fluorophores blend of polymer electrolyte between ITO electrodes, and its emission color was examined with various fluorophore contents and potentials.

Paper Details

Date Published: 18 February 2012
PDF: 6 pages
Proc. SPIE 8258, Organic Photonic Materials and Devices XIV, 82580N (18 February 2012); doi: 10.1117/12.907582
Show Author Affiliations
Seogjae Seo, Yonsei Univ. (Korea, Republic of)
Chihyun Park, Yonsei Univ. (Korea, Republic of)
Xu Yang, Yonsei Univ. (Korea, Republic of)
Jungmok You, Yonsei Univ. (Korea, Republic of)
Yuna Kim, Yonsei Univ. (Korea, Republic of)
Eunkyoung Kim, Yonsei Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 8258:
Organic Photonic Materials and Devices XIV
Christopher Tabor; François Kajzar; Toshikuni Kaino; Yasuhiro Koike, Editor(s)

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