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Updated: May 26, 2026

Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids
Published on: August 23, 2018
Bismuth pyrostannate, Bi2Sn2O7, from the first structurally characterized heterobimetallic Bi:Sn alkoxides
Philip C Andrews1, Peter C Junk, Iryna Nuzhnaya
1School of Chemistry, Monash University, Clayton, Melbourne, Vic. 3800, Australia. phil.andrews@monash.edu
The first heterobimetallic bismuth-tin alkoxide complexes were synthesized. These novel compounds serve as precursors for bismuth pyrostannate, a valuable ceramic material.
Area of Science:
- Inorganic Chemistry
- Materials Science
Background:
- Alkoxide complexes are versatile precursors in materials synthesis.
- Bismuth and tin oxides exhibit unique electronic and catalytic properties.
Purpose of the Study:
- To synthesize and characterize novel heterobimetallic bismuth-tin alkoxide complexes.
- To investigate the potential of these complexes as single-source precursors for advanced materials.
Main Methods:
- Synthesis of bismuth-tin alkoxide complexes via reaction of bismuth and tin alkoxides.
- Structural characterization using single crystal X-ray diffraction.
- Thermolytic decomposition studies to evaluate precursor behavior.
Main Results:
- Isolation and structural elucidation of two novel heterobimetallic complexes: [Bi(2)SnO(OCH(CF(3))(2))(5)(O(t)Bu)(3)(THF)] and [BiSnO(OCH(CF(3))(2))(3)(O(t)Bu)(2)].
- Demonstration of ligand redistribution between Bi(III) and Sn(IV) centers.
- Compound 2 successfully functions as a single-source precursor for bismuth pyrostannate (Bi(2)Sn(2)O(7)).
Conclusions:
- The successful synthesis of heterobimetallic Bi:Sn alkoxide complexes represents a significant advancement.
- These complexes offer controlled pathways for the formation of mixed-metal oxides.
- The findings open avenues for developing new synthetic strategies for functional inorganic materials.
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