Inverse Opal‐Structured Sn and Sn/Ge Films from Soluble Zintl Clusters as Precursors

Tin and mixed tin/germanium thin films hold great potential for a variety of different applications such as anodes for lithium ion batteries or optical components in new LED developments. While the physical and chemical properties of these materials are promising, the fabrication of nanostructures w...

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Bibliographic Details
Published in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2022-08, Vol.648 (15), p.n/a
Main Authors: Geier, S., Kratky, T., Günther, S., Fässler, T. F.
Format: Article
Language:English
Subjects:
Anodes
Chemical properties
Clusters
Composition
Electrode materials
Germanium
Honeycomb structures
Lithium-ion batteries
maroporus strcutre1
Optical components
Optical properties
Pore size
Raman spectroscopy
Rechargeable batteries
Substrates
template
thin film
Thin films
Tin
Titanium nitride
X ray photoelectron spectroscopy
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Summary:Tin and mixed tin/germanium thin films hold great potential for a variety of different applications such as anodes for lithium ion batteries or optical components in new LED developments. While the physical and chemical properties of these materials are promising, the fabrication of nanostructures with tunable composition and electronic properties is eminently important to overcome several problems in application. In this work we report on the preparation and characterization of inverse opal‐structured Sn and Sn/Ge thin films with a pore size of 200 nm on a wide variety of substrates obtained by a simple, up‐scalable wet‐chemical synthetic route involving soluble [Sn9]4−, [Ge9]4− and mixed Sn/Ge Zintl clusters. The resulting honeycomb structures are characterized by SEM, EDX, XPS, and Raman spectroscopy. Their porous structure and tuneable composition makes them attractive candidates for electrochemical applications such as anode materials.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.202100362