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Concomitant Intercalation and Decomplexation of Ferrocene Sulfonates in Layered Double Hydroxides

✍ Scribed by Sandrine Morlat-Thérias; Christine Mousty; Pierre Palvadeau; Philippe Molinié; Philippe Léone; Jean Rouxel; Christine Taviot-Guého; Abderrahman Ennaqui; André de Roy; Jean Pierre Besse

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
202 KB
Volume
144
Category
Article
ISSN
0022-4596

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✦ Synopsis

In the [Zn-Cr-Cl] lamellar double hydroxide corresponding to the chemical formula [Zn 2؉ 2 Cr 3؉ (OH ؊ ) 6 ] [Cl ؊ , 2H 2 O], chlorine anions can be easily exchanged by various moieties. For example, it is possible to replace Cl\ ions with ferrocene monoand disulfonate salts in the interlamellar space. In a second step, these organic molecules can be removed by carbonate ions. XPS, EXAFS, Mo¨ssbauer spectroscopy, and magnetic measurements show that during this last exchange ferrocene sulfonates are decomplexed, liberating Fe 3؉ ions which then would be introduced into the hydroxide layers. The main consequence is a modification of magnetic properties.

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✍ Christine Mousty; Claude Forano; Solenne Fleutot; Jean-Charles Dupin 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 431 KB 👁 1 views

## Abstract Layered double hydroxides (Zn~2~Cr(OH)~6~X⋅__n__H~2~O LDH) containing (3‐sulfopropyl)ferrocene‐carboxylate (FcPSO~3~) and 1,1′‐bis(3‐sulfopropyl)ferrocene‐carboxylate (Fc(PSO~3~)~2~) as interlayer anions (X) have been prepared by the co‐precipitation method and characterized by PXRD, FT