Reversible light-induced spin state switching in a dinuclear Fe(II) spin crossover complex.

Jun-Li WangHang-Yue ZhouLiang ZhaoYin-Shan Meng Tao Liu

Published in: Dalton transactions (Cambridge, England : 2003) (2024)

A dinuclear Fe(II) spin crossover (SCO) complex with the formula [Fe 2 L 5 (NCS) 4 ]·2DMF·2H 2 O (1) was synthesised from 1-naphthylimino-1,2,4-triazole (L). Complex 1 exhibits an incomplete thermally induced spin transition with a transition temperature T 1/2 of 95 K and a thermally trapped metastable high-spin state at low temperatures. Furthermore, it undergoes a reversible light-induced spin crossover by alternate irradiation with 532 and 808 nm lasers.

Keyphrases

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