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Synthesis, structure and temperature sensing of a lanthanide-organic framework constructed from a pyridine-containing tetracarboxylic acid ligand
Ist Teil von
CrystEngComm, 2018, Vol.20 (45), p.7395-7400
Ort / Verlag
Cambridge: Royal Society of Chemistry
Erscheinungsjahr
2018
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
The ongoing need for accurate measurement of temperature in microelectronic diagnosis is driving the development of novel temperature sensors. In this work, we synthesized a tetracarboxylic acid ligand containing a pyridine moiety to construct a three-dimensional lanthanide MOF
EuPDDI
(H
4
PDDI = 5,5′-(pyridine-2,5-diyl)diisophthalic acid). Thermal analysis shows the favourable thermal stability of the main framework of
EuPDDI
up to 380 °C. By Eu
3+
and Tb
3+
co-doping, a mixed LnMOF thermometer
Eu
0.19
Tb
0.81
PDDI
, effective in the temperature range of 313 to 473 K, was obtained. Its features include high relative sensitivity, and accurate temperature resolution. Such a LnMOF is useful for temperature sensing and diagnosis in microelectronics.