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Bojer, Carina ; Ament, Kevin ; Schmalz, Holger ; Breu, Josef ; Lunkenbein, Thomas:
Electrostatic attraction of nanoobjects : a versatile strategy towards mesostructured transition metal compounds.
In: CrystEngComm.
Bd. 21
(2019)
Heft 33
.
- S. 4840-4850.
ISSN 1466-8033
DOI: https://doi.org/10.1039/c9ce00228f
Angaben zu Projekten
| Projektfinanzierung: |
Deutsche Forschungsgemeinschaft |
|---|
Abstract
This highlight summarizes current challenges of mesostructuring and focuses on the scope and the potential of the ELAN -(electrostatic attraction of nanoobjects) strategy in mesostructuring of transition metal compounds. It discusses the limitations of this concept and highlights prominent examples. ELAN exploits the Coulomb attraction between inorganic precursors and polymeric templates in order to prevent macrophase separation. Essential requirements for ELAN are tailor-made, mesoscopic polyelectrolytic templates and charged molecular oligo-ions or stable colloids carrying a surface charge. The ELAN-strategy is highly reliable and opens the way to crystalline, mesoporous transition metal compounds with predefined polymorphism. It also provides the possibility to adjust wall chemistry and reactivity as well as the flexibility to synthesise different mesostructures (spheres, non-woven arrays or hexagonally ordered phases).