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High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
Published on: April 16, 2017
Ratiometric nanothermometer based on an emissive Ln3+-organic framework.
Amandine Cadiau1, Carlos D S Brites, Pedro M F J Costa
1Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
ACS Nano
|July 23, 2013
Summary
Researchers developed lanthanide-based metal-organic framework nanorods as highly effective luminescent nanothermometers. These nanoparticles offer precise temperature sensing at the nanoscale, particularly within the physiological range.
Area of Science:
- Materials Science
- Nanotechnology
- Analytical Chemistry
Background:
- Conventional thermometry faces limitations at the nanoscale.
- Luminescent nanothermometers offer high spatial resolution for temperature measurements.
- Lanthanide-based materials are promising for luminescent thermometry.
Purpose of the Study:
- To synthesize and characterize lanthanide-based metal-organic framework (MOF) nanorods.
- To evaluate their performance as ratiometric luminescent nanothermometers.
- To assess their utility in the physiological temperature range.
Main Methods:
- Synthesis of Tb0.99Eu0.01(BDC)1.5(H2O)2 nanorods using the reverse microemulsion technique.
- Characterization of the synthesized nanorods.
- Study of photoluminescence properties from room temperature to 318 K.
Main Results:
- Successful preparation of Tb0.99Eu0.01(BDC)1.5(H2O)2 nanorods.
- Demonstration of photoluminescence properties suitable for thermometry.
- Excellent performance as ratiometric luminescent nanothermometers in the physiological temperature range (300-320 K).
Conclusions:
- Lanthanide-based MOF nanorods are effective nanoscale thermal probes.
- The developed nanorods show high potential for accurate temperature measurements in biological applications.
- This work advances the field of luminescent nanothermometry.
