Methylated molybdoplatinate--its unexpected ability to absorb methanol

Area of Science:

• Inorganic Chemistry
• Materials Science

Background:

• Anderson structures are a class of polyoxometalates with unique structural and electronic properties.
• Molybdoplatinates are mixed-metal oxides with potential applications in catalysis and materials science.

Purpose of the Study:

• To synthesize a novel methylated molybdoplatinate with the Anderson structure.
• To characterize the synthesized compound and investigate its physical properties, specifically its absorption capabilities.

Main Methods:

• Reaction of molybdenum trioxide (MoO3), hexahydrogen hexahydroxoplatinate (H2Pt(OH)6), and tetra-n-butylammonium hydroxide (TBAOH) in a 6:1:4 molar ratio.
• Isolation and characterization of the resulting tetra-n-butylammonium (TBA) salt.

Main Results:

• Successful synthesis of the methylated molybdoplatinate with the Anderson structure as a TBA salt.
• The synthesized compound exhibited remarkable methanol absorption, absorbing over three times its own weight in methanol.
• Characterization confirmed the Anderson structure and the presence of methylation.

Conclusions:

• A novel methylated molybdoplatinate Anderson structure salt was successfully synthesized.
• The TBA salt demonstrates significant potential for applications requiring high absorption capacity, such as solvent recovery or gas storage.