4.7 Article

Hydrogenation of CO2 to formate using nanopolyoxomolybdate supported onto dendritic fibrous nanosilica

Journal

INORGANIC CHEMISTRY COMMUNICATIONS
Volume 151, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.inoche.2023.110580

Keywords

Green chemistry; Cellulose; Nanocatalyst; Dendritic fibrous nanosilica; Nanopolyoxomolybdate

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A green and cost-effective method for reducing CO2 to synthesize formate salts using nanosized polyoxomolybdate caprate [Mo368] supported by cellulose inter-dendritic fibrous nanosilica (DFNS) was reported. The cellulose acted as a substrate to control metal leaching and the products were easily isolated from the catalyst. The experimental results confirmed the role of sodium polyoxomolybdate in the hydrogenation of CO2.
The creation of green heterogeneous nanocatalysts with chemical modifications to convert CO2 into value-added products has many supporters. Here, we report a green and cost-effective CO2 reduction method for the synthesis of formate salts in the participation of nanosized polyoxomolybdate caprate [Mo368] supported by cellulose inter-dendritic fibrous nanosilica (DFNS). To generate the nanocatalyst as a substrate to support [Mo368], cellulose was utilized to control the metal leaching during the reaction. The products were conveniently isolated from the catalyst, and the green medium was deployed several times without a notable decrease in selectivity and function. The results of Raman spectral data, UV-vis, FT-IR, FESEM, TEM, XRD, and TGA confirmed that Mo (VI) peroxo complex collaborated in hydrogenation of CO2. To prepare the catalyst, the surface of DFNS was activated with cellulose to act as a substrate to support [Mo368] nanoparticles. The anatomy of the final complex changed the catalytic properties of the cellulose catalyst for the production of the final product.

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