Issue 86, 2014
From the journal:

Chemical Communications

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

Pengfei Duan,a   Nobuhiro Yanai*a  and  Nobuo Kimizuka*a  

* Corresponding authors

a Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: yanai@mail.cstm.kyushu-u.ac.jp, n-kimi@mail.cstm.kyushu-u.ac.jp

Abstract

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.

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

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Article information

DOI
https://doi.org/10.1039/C4CC05718J
Article type
Communication
Submitted
23 Jul 2014
Accepted
02 Sep 2014
First published
16 Sep 2014

Chem. Commun., 2014,50, 13111-13113

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

P. Duan, N. Yanai and N. Kimizuka, Chem. Commun., 2014, 50, 13111 DOI: 10.1039/C4CC05718J

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