Mashhad & Neyshabur IAU Researchers Could Turn CO2 to Useful Materials

Sunday, July 7, 2019 - 16:15

Researchers from Mashhad and Neyshabur Islamic Azad University have synthesized a nanocatalyst extracted from shrimp shells that can convert carbon dioxide (CO2) into useful materials.

According to an ISCA report, the research was done by the cooperation of Rahele Zhiani, faculty member of Neyshabur IAU, Mahboobeh Zahedifar, faculty member of Jiroft IAU, Ali Es-haghi, faculty member of Mashhad IAU and Seyed Mohsen Sadeghzadeh, researcher of Neyshabur IAU incubator and published in the journal of RSC Advances.

Based on the research, researchers demonstrate the synthesis of benzimidazolones from o-phenylenediamines and carbon dioxide in the presence of gold nanoparticles supported on a composite material based on microcrystalline chitosan from shrimp shells and fibrous phosphosilicate (CS–FPS/Au).

The results showed that the gold nanoparticles were stable with the P, N and O atoms of CS–FPS. The morphology and structure of FPS leads to a higher catalytic activity. The CS–FPS/Au NPs were thoroughly characterized using TEM, FESEM, TGA, FTIR, and BET.

The research conclusion shows that CS–FPS/Au NPs was synthesized and characterized as an environmentally-friendly nanocatalyst for the synthesis of benzimidazolones from o-phenylenediamines and CO2 with various electronically diverse substrates.

Moreover, this procedure is an environmentally safe alternative for producing benzimidazolones, and it demonstrates the chemical utilization potential of CO2 in the preparation of industrially significant benzimidazolone intermediates. The chemistry and further synthetic applications of this green methodology are under active research for their extended applications in the laboratory.


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