A bis-cyclometalated iridium complex as a benchmark sensitizer for efficient visible-to-UV photon upconversion

A bis-cyclometalated iridium complex as a benchmark sensitizer for efficient visible-to-UV photon upconversion

To resolve the biggest problem in visible-to-UV photon upconversion based on sensitized triplet-triplet annihilation-the quenching of upconverted fluorescence by sensitizers-we discovered a superior sensitizer with less UV absorption intensity that enables highly efficient, low-power (0.78 mW cm(-2)...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2014-11, Vol.50 (86), p.13111-13113
Hauptverfasser: Duan, Pengfei, Yanai, Nobuhiro, Kimizuka, Nobuo
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Benchmarking
Fluorescence
Iridium compounds
Photons
Quenching
Upconversion
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Beschreibung
Zusammenfassung:To resolve the biggest problem in visible-to-UV photon upconversion based on sensitized triplet-triplet annihilation-the quenching of upconverted fluorescence by sensitizers-we discovered a superior sensitizer with less UV absorption intensity that enables highly efficient, low-power (0.78 mW cm(-2)) visible-to-UV upconversion.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc05718j