Photomagnetic Response in Highly Conductive Iron(II) Spin-Crossover Complexes with TCNQ Radicals

Autor:	Michael Shatruk, Hoa Phan, Eden Steven, James S. Brooks, Shermane M. Benjamin
Rok vydání:	2014
Předmět:	Tris Radical Inorganic chemistry Cationic polymerization General Chemistry Activation energy General Medicine Conductivity Catalysis Ion chemistry.chemical_compound Crystallography chemistry Spin crossover Amine gas treating
Zdroj:	Angewandte Chemie. 127:837-841
ISSN:	0044-8249
Popis:	Co-crystallization of a cationic Fe(II) complex with a partially charged TCNQ(.δ-) (7,7',8,8'-tetracyanoquinodimethane) radical anion has afforded molecular materials that behave as narrow band-gap semiconductors, [Fe(tpma)(xbim)](X)(TCNQ)(1.5)⋅DMF (X=ClO4(-) or BF4(-); tpma=tris(2-pyridylmethyl)amine, xbim=1,1'-(α,α'-o-xylyl)-2,2'-bisimidazole). Remarkably, these complexes also exhibit temperature-and light-driven spin crossover at the Fe(II) center, and are thus the first structurally defined magnetically bistable semiconductors assembled with the TCNQ(.δ-) radical anion. Transport measurements reveal the conductivity of 0.2 S cm(-1) at 300 K, with the low activation energy of 0.11 eV.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0eccb80a6c082e6bc9fdf7642f5ebbb9 https://doi.org/10.1002/ange.201408680 Zobrazit plný text záznamu Plný text