A cryogenic luminescent ratiometric thermometer based on a lanthanide phosphonate dimer

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abstract

The first example of a ratiometric Eu/Tb thermometer based on a lanthanide phosphonate is reported, which presents a temperature dependent emission under 393 nm excitation that enables its use as a molecular thermometer with a maximum relative sensitivity of 3.9% K-1 and a minimum temperature uncertainty of 0.15 K, both at 38 K. Additionally, the compound is a competitive luminescent colorimetric probe showing temperature dependent (x, y) CIE color coordinates changing from yellow, (0.48, 0.48) at 18 K, to red, (0.64, 0.37) at 300 K.

keywords

ORGANIC FRAMEWORKS; TEMPERATURE; NANOPARTICLES; NANOSCALE; NANOTHERMOMETERS; COORDINATION; FLUORESCENCE; RANGE

subject category

Materials Science; Physics

authors

Ren, M; Brites, CDS; Bao, SS; Ferreira, RAS; Zheng, LM; Carlos, LD

our authors

foto Carlos António Delgado Sousa Brites

Carlos António Delgado Sousa Brites

Assistant Professor
foto Luís António Ferreira Martins Dias Carlos

Luís António Ferreira Martins Dias Carlos

Full professor
foto Maria Rute de Amorim e Sá Ferreira André

Maria Rute de Amorim e Sá Ferreira André

Vice Director

Groups

1 - Inorganic Functional Nanomaterials and Organic-Inorganic Hybrids

Projects

CICECO - Aveiro Institute of Materials (UID/CTM/50011/2013)

acknowledgements

This work was partially supported by the National Basic Research Program of China (2013CB922100), the Graduate Innovation Fund of Jiangsu Province of China (0205Y511) and the project CICECO - Aveiro Institute of Materials (FCT UID/CTM/50011/2013), financed by Portuguese funds through FCT/MEC and when applicable co-financed by FEDER under the PT2020 Partnership Agreement. CDSB (SFRH/BPD/89003/2012) thanks FCT, Portugal, for a post-doctoral grant.

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Publication Details

type
Journal Article
year
2015
journal
JOURNAL OF MATERIALS CHEMISTRY C
volume
3
publisher
ROYAL SOC CHEMISTRY
issn
2050-7526
issue
33
digital object identifier
10.1039/c5tc01468a
web of science article identifier
WOS:000359565300003

Journal Metrics (JCR 2019)

Journal Impact Factor
7.059
Journal Impact Factor (5 yrs)
6.404
category normalized journal percentile
85.94

Citations

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