Issue 12, 2016
From the journal:

Photochemical & Photobiological Sciences

Switch of the magnetic field effect on photon upconversion based on sensitized triplet–triplet annihilation†

Hiroaki Yonemura,*a   Yuji Naka,b   Mitsuhiko Nishino,b   Hiroshi Sakaguchic  and  Sunao Yamadaa  

* Corresponding authors

a Department of Applied Chemistry, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: yonemura@mail.cstm.kyushu-u.ac.jp

b Department of Materials Physics and Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

c Institute of Advanced Energy, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan

Abstract

Magnetic field effects (MFEs) on photon upconversion based on sensitized triplet–triplet annihilation (TTA-UC) are examined in platinum(II) octaethylporphyrin/9,10-diphenylanthracene (DPA) systems at different DPA concentrations and laser power densities. Positive MFEs on TTA-UC are observed for the first time and are most likely attributable to aggregation of DPA.

Graphical abstract: Switch of the magnetic field effect on photon upconversion based on sensitized triplet–triplet annihilation

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Article information

DOI
https://doi.org/10.1039/C6PP00264A
Article type
Communication
Submitted
20 Jul 2016
Accepted
30 Oct 2016
First published
31 Oct 2016

Photochem. Photobiol. Sci., 2016,15, 1462-1467

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Switch of the magnetic field effect on photon upconversion based on sensitized triplet–triplet annihilation

H. Yonemura, Y. Naka, M. Nishino, H. Sakaguchi and S. Yamada, Photochem. Photobiol. Sci., 2016, 15, 1462 DOI: 10.1039/C6PP00264A

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