Abstract
A novel luminescent temperature sensor material fabricated by incorporating europium(III)-tris(thieno yltrifluoroacetonato)-(diantipyrylpropylmethane) (Eu-(tta)3dapm) into a cellulose triacetate (CTA) fi lm is reported. The temperature effect on the luminescence intensity and lifetime in the range of 25–75°C has been studied. The sensor material exhibits reversibility of the luminescent response and an excellent temperature sensitivity (9 μs/°C). The cellulose triacetate is a biodegradable and biocompatible polymer matrix suitable for use the Eu(III) complex as a luminophore due to ensuring its undisturbed luminescence. It provides a good basis for the Eu-(tta)3dapm/CTA further application in constructing luminescent devices for 2D and 3D temperature sensing in biology, medicine, and agriculture.
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