Light and Thermal Induced Spin Crossover Properties of Fe(II) Compound

Zhao, Qi

doi:10.1088/1742-6596/2009/1/012052

J. Phys.: Conf. Ser.

2021

DOI: 10.1088/1742-6596/2009/1/012052

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Light and Thermal Induced Spin Crossover Properties of Fe(II) Compound

Qi Zhao

Abstract: We synthesized a novel phenanthroline-based mononuclear Fe(II) compound [Fe(TTD)2(NCS)2]⋅CH3CN (1, TTD = 1,4,8,9-tetraaza-triphenylene-2,3-dicarbonitrile). And its crystal structure, optical and magnetic properties were analyzed. The thermally induced SCO of the compound is a one-step abrupt transition. In addition, light can also control the spin state of the compound. By using 660 nm light-excited compound, LIESST (light-induced excited spin-state trapping) effect can be achieved.

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The Influence of the Substrate on the Functionality of Spin Crossover Molecular Materials

et al. 2023

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Spin crossover complexes are a route toward designing molecular devices with a facile readout due to the change in conductance that accompanies the change in spin state. Because substrate effects are important for any molecular device, there are increased efforts to characterize the influence of the substrate on the spin state transition. Several classes of spin crossover molecules deposited on different types of surface, including metallic and non-metallic substrates, are comprehensively reviewed here. While some non-metallic substrates like graphite seem to be promising from experimental measurements, theoretical and experimental studies indicate that 2D semiconductor surfaces will have minimum interaction with spin crossover molecules. Most metallic substrates, such as Au and Cu, tend to suppress changes in spin state and affect the spin state switching process due to the interaction at the molecule–substrate interface that lock spin crossover molecules in a particular spin state or mixed spin state. Of course, the influence of the substrate on a spin crossover thin film depends on the molecular film thickness and perhaps the method used to deposit the molecular film.

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The Influence of the Substrate on the Functionality of Spin Crossover Molecular Materials

et al. 2023

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Light and Thermal Induced Spin Crossover Properties of Fe(II) Compound

Cited by 1 publication

References 10 publications

The Influence of the Substrate on the Functionality of Spin Crossover Molecular Materials

The Influence of the Substrate on the Functionality of Spin Crossover Molecular Materials

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