Ratiometric mixed Eu-Tb metal-organic framework as a new cryogenic luminescent thermometer

abstract

We report a new mixed Eu-Tb metal-organic framework shown to be a highly effective dual-emitting luminescent thermometer within the cryogenic range and showing a relative thermal sensitivity of 3.26% K-1 at 35.5 K.

keywords

WHITE-LIGHT EMISSION; COORDINATION POLYMERS; TEMPERATURE SENSORS; LANTHANIDES; DENSITY; FAMILY

subject category

Materials Science; Physics

authors

N'Dala-Louika, I; Ananias, D; Latouche, C; Dessapt, R; Carlos, LD; Serier-Brault, H

our authors

acknowledgements

We wish to thank Fundacao para a Ciencia e a Tecnologia (FCT, Portugal), the European Union, QREN, FEDER through Programa Operacional Factores de Competitividade (COMPETE), CICECO - Aveiro Institute of Materials, POCI-01-0145-FEDER-007679 (FCT Ref. UID/CTM/50011/2013), financed by national funds through the FCT/MEC and when appropriate co-financed by FEDER under the PT2020 Partnership Agreement. D. A. (SFRH/BPD/95032/2013) thanks FCT for the postdoctoral grant. We also thank the Centre de Calcul Intensif des Pays de Loire (CCIPL) for the computational resources and Prof. Vincenzo Barone (SNS Pisa, Italy), who made available the VMS package developed in his laboratory.

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