CHASTANET, Guillaume; DESPLANCHES, Cédric; BALDÉ, Cherif; ROSA, Patrick; MARCHIVIE, Mathieu; GUIONNEAU, Philippe

doi:10.28954/2018.csq.07.001

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CHASTANET, Guillaume
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

DESPLANCHES, Cédric
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

BALDÉ, Cherif
Laboratoire de Chimie et Physique des Matériaux [LCPM]
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Este ítem está publicado en

Chemistry Squared. 2018, vol. 2, p. 2

Science2

Resumen en inglés

Light-Induced Excited Spin-State Trapping has been studied since 1982 in solution and 1984 in solid state as it offers a reversible way of photoswitching the electronic configuration of spin crossover systems. Since then, the lifetime of the photo-induced state was deeply investigated through kinetics measurements. In 1998, a fast and easy way to record the limit temperature above which the photo-induced state is erased, denoted T(LIESST), was introduced. This procedure has been widely used in the spin crossover community due to its easiness and its efficiency to provide detailed information on the photo-induced state. Correlations between T(LIESST) and structural parameters have been proposed for instance. However, it intrinsically contains drawbacks that can lead to misinterpretation of behaviours and can lead to an over estimation of its scope. This review aims to present and discuss not only the correct way to measure T(LIESST) but also the essential contributions it has brought and the limits not to be exceeded in its interpretation.< Leer menos

Palabras clave en inglés

Light-Induced Spin Switching

Metastable state lifetime

Structural distortion

Functional materials

Molecular switches

Photophysics

DOI

http://dx.doi.org/10.28954/2018.csq.07.001

Proyecto ANR

Initiative d'excellence de l'Université de Bordeaux - ANR-10-IDEX-0003
Etude femtoseconde rayons X et optique de la dynamique ultrarapide de photocommutation de matériaux moléculaires magnétiques - ANR-13-BS04-0002

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Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB) - UMR 5026