A molecular thermometer based on luminescence of copper(II) tetraphenylporphyrin
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概要
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The photoluminescence (PL) spectra from solid samples consisting of polystyrene and 5,10,15,20-tetraphenyl-21H,23H-porphine copper(II) (CuTPP) revealed two sharp peaks at 653 and 720 nm, and indicated another broad peak at around 780 nm, which could not be observed in CuTPP solutions. The intensity ratio of the two peaks appearing at 653 nm and at around 780 nm demonstrated clear dependence on temperature. This dependence of the PL intensity ratio was observed under the atmosphere and even in water. The findings mean that we were able to utilize PL from CuTPP as a thermometer under various conditions. We measured the temperatures of an organic light-emitting diode (OLED) during operation based on its electroluminescence, where the OLED contained CuTPP as a light-emitting dopant, to demonstrate the CuTPP thermometer.
- ELSEVIER SCIENCE SAの論文
- 2009-11-30
著者
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Taniguchi Yoshio
Department Of Functional Polymer Science Faculty Of Textile Science And Technology Shinshu Universit
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Taniguchi Yoshio
Advanced Research Laboratory Hitachi Ltd.
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Ichikawa Mitsuru
Department Of Electrical And Electronic Engineering Tokyo Institute Of Technology
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Ichikawa Musubu
Functional Polymer Science Course Chemistry And Materials Division Faculty Of Textile Science And Technology Shinshu University
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