Hierarchical superparamagnetic magnetite nanowafers from a resin-bound [Fe(bpy)3]2+ matrix

The brilliant red [Fe(bpy)(3)](2+) complex upon immobilization on a strongly acidic cation exchanger or in situ formation of the same cationic complex onto a resin matrix and subsequent modified hydrothermolysis (MHT) at approximately 110 degrees C produces unusually stable hierarchical magnetite (F...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 26(2010), 8 vom: 20. Apr., Seite 5836-42
1. Verfasser: Basu, Mrinmoyee (VerfasserIn)
Weitere Verfasser: Sinha, Arun Kumar, Sarkar, Sougata, Pradhan, Mukul, Yusuf, S M, Negishi, Yuichi, Pal, Tarasankar
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a The brilliant red [Fe(bpy)(3)](2+) complex upon immobilization on a strongly acidic cation exchanger or in situ formation of the same cationic complex onto a resin matrix and subsequent modified hydrothermolysis (MHT) at approximately 110 degrees C produces unusually stable hierarchical magnetite (Fe(3)O(4)) nanowafers. The slow hydrothermolysis, oxidation, and subsequent dehydration of the complex on the solid-liquid interface produce stable hierarchical nanostructures. The isolation of neat Fe(3)O(4) (uncapped) particles from the resin matrix as hierarchical nanowafers was achieved by magnetically stirring a CH(3)CN suspension of nanocomposites. The solid resin support not only aids nanowafer formation on its surface but also provides unique stability to the magnetite particles, where nanowafer oxidation is largely retarded. The utility of the as-prepared porous nanocomposite and characterization of the nanoparticles are promising for nanotechnological and soft ferromagnetic applications 
650 4 |a Journal Article 
700 1 |a Sinha, Arun Kumar  |e verfasserin  |4 aut 
700 1 |a Sarkar, Sougata  |e verfasserin  |4 aut 
700 1 |a Pradhan, Mukul  |e verfasserin  |4 aut 
700 1 |a Yusuf, S M  |e verfasserin  |4 aut 
700 1 |a Negishi, Yuichi  |e verfasserin  |4 aut 
700 1 |a Pal, Tarasankar  |e verfasserin  |4 aut 
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