A magnetic iron(III) switch with controlled and adjustable thermal response for solution processing

被引：39

作者：

Gandolfi, Claudio ^{[1
]}

Morgan, Grace G. ^{[2
]}

Albrecht, Martin ^{[1
,2
]}

机构：

[1] Univ Fribourg, Dept Chem, CH-1700 Fribourg, Switzerland

[2] Univ Coll Dublin, Sch Chem & Chem Biol, Dublin 4, Ireland

来源：

DALTON TRANSACTIONS | 2012年 / 41卷 / 13期

基金：

瑞士国家科学基金会; 欧洲研究理事会;

关键词：

SPIN-CROSSOVER PHENOMENON; MOLECULAR MATERIALS; TRANSITION; HYSTERESIS; COMPLEXES; COOPERATIVITY; NANOPARTICLES; BISTABILITY; COMPOUND; BEHAVIOR;

D O I：

10.1039/c2dt12037b

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Spin crossover requires cooperative behavior of the metal centers in order to become useful for devices. While cooperativity is barely predictable in solids, we show here that solution processing and the covalent introduction of molecular recognition sites allows the spin crossover of iron(III) sal(2)trien complexes to be rationally tuned. A simple correlation between the number of molecular recognition sites and the spin crossover temperature enabled the fabrication of materials that are magnetically bistable at room temperature. The predictable behavior relies on combining function (spin switching) and structure (supramolecular assembly) through covalent interactions in a single molecular building block.

引用

页码：3726 / 3730

页数：5

共 53 条

[31] Spin Crossover Phenomenon in Nanocrystals and Nanoparticles of [Fe(3-Fpy)2M(CN)4] (MII = Ni, Pd, Pt) Two-Dimensional Coordination Polymers [J].

Martinez, Victor ;

Boldog, Ishtvan ;

Gaspar, Ana Belen ;

Ksenofontov, Vadim ;

Bhattacharjee, Ashis ;

Guetlich, Philipp ;

Real, Jose Antonio .

CHEMISTRY OF MATERIALS, 2010, 22 (14) :4271-4281

[32]

Martinho P. N., UNPUB

[33] Lipid-packaged linear iron(II) triazole complexes in solution: Controlled spin conversion via solvophobic self-assembly [J].

Matsukizono, Hiroyuki ;

Kuroiwa, Keita ;

Kimizuka, Nobuo .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (17) :5622-+

[34] Tunable Spin-Crossover Behavior in Polymethylated Bis(indenyl)chromium(II) Complexes: The Significance of Benzo-Ring Substitution [J].

Meredith, M. Brett ;

Crisp, Jeffrey A. ;

Brady, Erik D. ;

Hanusa, Timothy P. ;

Yee, Gordon T. ;

Pink, Maren ;

Brennessel, William W. ;

Young, Victor G., Jr. .

ORGANOMETALLICS, 2008, 27 (21) :5464-5473

[35] Spin transition molecular materials: Intelligent contrast agents for magnetic resonance imaging [J].

Muller, RN ;

Vander Elst, L ;

Laurent, S .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (27) :8405-8407

[36] Control of Tc and spin bistability in the spin-crossover system, [Fe(4-NH2trz)3](R-SO3)2 [J].

Murakami, Y ;

Komatsu, T ;

Kojima, N .

SYNTHETIC METALS, 1999, 103 (1-3) :2157-2158

[37] Cooperativity in spin crossover systems: Memory, magnetism and microporosity [J].

Murray, KS ;

Kepert, CJ .

SPIN CROSSOVER IN TRANSITION METAL COMPOUNDS I, 2004, 233 :195-228

[38] Precise Control and Consecutive Modulation of Spin Transition Temperature Using Chemical Migration in Porous Coordination Polymers [J].

Ohtani, Ryo ;

Yoneda, Ko ;

Furukawa, Shuhei ;

Horike, Nao ;

Kitagawa, Susumu ;

Gaspar, Ana B. ;

Carmen Munoz, M. ;

Real, Jose A. ;

Ohba, Masaaki .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2011, 133 (22) :8600-8605

[39] Mechanical Control of Spin States in Spin-1 Molecules and the Underscreened Kondo Effect [J].

Parks, J. J. ;

Champagne, A. R. ;

Costi, T. A. ;

Shum, W. W. ;

Pasupathy, A. N. ;

Neuscamman, E. ;

Flores-Torres, S. ;

Cornaglia, P. S. ;

Aligia, A. A. ;

Balseiro, C. A. ;

Chan, G. K. -L. ;

Abruna, H. D. ;

Ralph, D. C. .

SCIENCE, 2010, 328 (5984) :1370-1373

[40] A molecule-based nanoporous material showing tuneable spin-crossover behavior near room temperature [J].

Quesada, Manuel ;

de la Pena-O'Shea, Victor A. ;

Aromi, Guillem ;

Geremia, Silvano ;

Massera, Chiara ;

Roubeau, Olivier ;

Gamez, Patrick ;

Reedijk, Jan .

ADVANCED MATERIALS, 2007, 19 (10) :1397-+

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