Institut de Chimie Moléculaire et des Matériaux d'Orsay

Laboratoire de Chimie Inorganique - LCI

Nanoparticles of molecular spin-crossover materials

Marie-Laure Boillot
Olga Iasco (post-doc), Jérôme Lainey (Ph.D. candidate), Luong-Lam Nguyen (Ph.D. candidate)



Fe(II) complex, Processing, Sol-Gel, Thin films (a)

Thermo- and photoinduced spin state changes are observed for molecular iron(II) materials processed as nanoparticles within silica thin films.

Fe(III) complex, Cooperativity, Bistability (b)

The first nanosized crystals of an Fe(III) molecular material exhibiting a spin-transition.


Recent publications

Thermo- and photoswitchable spin-crossover nanoparticles of an iron(II) complex trapped in transparent silica thin films. A. Tissot, J.-F. Bardeau, E. Rivière, F. Brisset, M.-L. Boillot, Dalton Trans. 2010, 39, 7806. Micro- and nanocrystals of the iron(III) spin-transition material [FeIII(3-MeO-SalEen)2]PF6. A. Tissot, L. Rechignat, A. Bousseksou, M.-L. Boillot, J. Mater. Chem., 2012, 22, 3411-3419.

Hysteresis vs environment of microcrystallites


Fe(II) complex, matrices, Mechanoelastic model

Spin-transition microcrystals of FeII(phen)2(NCS)2 embedded in soft, semi-crystalline or glassy matrices exhibit a remarkable modulation of the cooperativity and thermal bistability.

Recent publications

Control of the thermal hysteresis of the prototypal spin-transition FeII(phen)2(NCS)2 compound via the microcrystallites environment : experiments and mechanoelastic model. A. Tissot, C. Enachescu, M.-L. Boillot, J. Mater. Chem., 2012, 22, 20451.



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