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Chemosensors 2014, 2(1), 41-55; doi:10.3390/chemosensors2010041
Review

Luminescent Oxygen Gas Sensors Based on Nanometer-Thick Hybrid Films of Iridium Complexes and Clay Minerals

1,†,* , 2,†
 and
3,†
Received: 25 November 2013 / Revised: 27 December 2013 / Accepted: 6 January 2014 / Published: 17 January 2014
(This article belongs to the Special Issue Solid State Gas Sensors)
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Abstract

The use of Ir(III) complexes in photo-responsive molecular devices for oxygen gas sensing is reviewed. Attention is focused on the immobilization of Ir(III) complexes in organic or inorganic host materials such as polymers, silica and clays in order to enhance robustness and reliability. Our recent works on constructing nanometer-thick films comprised of cyclometalated cationic Ir(III) complexes and clay minerals are described. The achievement of multi-emitting properties in response to oxygen pressure is demonstrated.
Keywords: clay mineral; Langmuir-Blodgett film; cyclometalated iridium complex; phosphorescence; oxygen; gas sensing; quenching; energy transfer clay mineral; Langmuir-Blodgett film; cyclometalated iridium complex; phosphorescence; oxygen; gas sensing; quenching; energy transfer
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Sato, H.; Tamura, K.; Yamagishi, A. Luminescent Oxygen Gas Sensors Based on Nanometer-Thick Hybrid Films of Iridium Complexes and Clay Minerals. Chemosensors 2014, 2, 41-55.

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