Near-IR Luminescent YbIII Coordination Polymers Composed of Pyrene Derivatives for Thermostable Oxygen Sensors

Yasuchika Hasegawa; Takafumi Matsui; Yuichi Kitagawa; Takayuki Nakanishi; Tomohiro Seki; Hajime Ito; Yuta Nakasaka; Takao Masuda; Koji Fushimi

doi:10.1002/chem.201902583

Near-IR Luminescent Yb^III Coordination Polymers Composed of Pyrene Derivatives for Thermostable Oxygen Sensors

Chemistry. 2019 Sep 20;25(53):12308-12315. doi: 10.1002/chem.201902583. Epub 2019 Aug 21.

Authors

Yasuchika Hasegawa^{1

2}, Takafumi Matsui², Yuichi Kitagawa^{1

2}, Takayuki Nakanishi³, Tomohiro Seki^{1

2}, Hajime Ito^{1

2}, Yuta Nakasaka², Takao Masuda², Koji Fushimi²

Affiliations

¹ Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido, 001-0021, Japan.
² Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, N13 W8, Kita-ku, Sapporo, Hokkaido, 060-8628, Japan.
³ Department of Materials Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba, 278-8519, Japan.

PMID: 31328834
DOI: 10.1002/chem.201902583

Abstract

Oxygen-sensitive and near-infrared (NIR) luminescent Yb^III coordination polymers incorporating ligands based on pyrene derivatives were synthesized: Yb^III -TBAPy and Yb^III -TIAPy (TBAPy: 1,3,6,8-tetrakis(p-benzoate)pyrene; TIAPy: 1,3,6,8-tetrakis(3,5-isophthalic acid)pyrene). The coordination structures of these materials have been characterized by means of electrospray ionization mass spectrometry, X-ray diffraction analysis, and thermogravimetric analysis. Moreover, the porous structure of Yb^III -TIAPy has been evaluated by measuring its N₂ adsorption isotherm. The NIR luminescence properties of Yb^III -TBAPy and Yb^III -TIAPy have been examined by acquiring emission spectra and determining emission lifetimes under air or argon and in vacuo. Yb^III -TIAPy exhibited high thermal stability (with a decomposition temperature of 400 °C), intense luminescence (with an emission quantum yield under argon of 6.6 %), and effective oxygen-sensing characteristics. These results suggest that NIR luminescent Yb^III coordination polymers prepared using pyrene derivatives could have applications in novel thermo-stable oxygen sensors.

Keywords: coordination polymers; luminescence; near-IR; oxygen sensors; ytterbium.