Crystal structure and temperature-dependent luminescence of a heterotetranuclear sodium-europium(III) beta-diketonate complex

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abstract

A heterotetranuclear Na2Eu2 complex with uncommon photo-luminescence properties is reported. The complex exhibits good emission efficiency at ambient temperature, coupled with strong temperature dependence of the emission intensity and lifetime in the 273-333 K range, all of which are key features for non-contact luminescence-based thermometers capable of sensing and imaging temperatures in the physiological range.

keywords

HETEROMETALLIC COORDINATION POLYMERS; ORGANIC FRAMEWORKS; LANTHANIDE; EUROPIUM(III); EMISSION; IONS; THERMOMETER; MAGNETISM; SILICA; NA(I)

subject category

Chemistry

authors

Bruno, SM; Ananias, D; Paz, FAA; Pillinger, M; Valente, AA; Carlos, LD; Goncalves, IS

our authors

foto Anabela Tavares Aguiar Valente

Anabela Tavares Aguiar Valente

Principal Researcher
foto Duarte Ananias

Duarte Ananias

Assistant Researcher
foto Filipe Alexandre Almeida Paz

Filipe Alexandre Almeida Paz

Principal Researcher
foto Isabel Maria de Sousa Gonçalves

Isabel Maria de Sousa Gonçalves

Associate Professor
foto Luís Carlos

Luís Carlos

Full professor
foto Martyn Pillinger

Martyn Pillinger

Principal Researcher
foto Sofia M. Bruno

Sofia M. Bruno

Assistant Researcher

Groups

G1 - Porous Materials and Nanosystems
G2 - Photonic, Electronic and Magnetic Materials
G4 - Renewable Materials and Circular Economy

Projects

Centre for Research in Ceramics and Composite Materials - CICECO (LA0011: 2013-2014) (PEst-C/CTM/LA0011/2013)

Use of molecular containers to modify metallocene-based catalysts (PTDC/QEQ-SUP/1906/2012)

acknowledgements

This work was partly financed by FEDER (Fundo Europeu de Desenvolvimento Regional) through COMPETE (Programa Operacional Factores de Competitividade) and by national funds through the FCT (Fundacao para a Ciencia e a Tecnologia) within the project CICECO - FCOMP-01-0124-FEDER-037271 (FCT ref. PEst-C/CTM/LA0011/2013) and FCOMP-01-0124-FEDER-029779 (FCT ref. PTDC/QEQ-SUP/1906/2012). The FCT is gratefully acknowledged for financial support towards the purchase of the single-crystal diffractometer and for a post-doctoral grant to S.M.B. (SFRH/BPD/46473/2008).

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Publication Details

type
Journal Article
year
2015
journal
DALTON TRANSACTIONS
volume
44
publisher
ROYAL SOC CHEMISTRY
issn
1477-9226
issue
2
digital object identifier
10.1039/c4dt02301c
web of science article identifier
WOS:000346412500009

Journal Metrics (JCR 2019)

Journal Impact Factor
4.174
Journal Impact Factor (5 yrs)
3.812
category normalized journal percentile
90

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