Fabrication of perovskite lanthanum orthoferrite as a photocatalyst for controlled atom transfer radical polymerization of methacrylate monomers toward an electrolyte material for lead acid batteries
oleh: Huong Thi Le, Tien Anh Nguyen, Thu Hoang Vo, Michał Michalak, Tam Hoang Luu, Ha Tran Nguyen
| Format: | Article |
|---|---|
| Diterbitkan: | Vietnam Ministry of Science and Technology 2022-03-01 |
Deskripsi
Lanthanum orthoferrite (LaFeO3) photocatalysts were synthesized by a facile and cost-effective coprecipitation method via the hydrolysis of La (III) and Fe (III). The characteristics of LaFeO3 were investigated through thermogravimetric analysis (TGA), X-ray diffraction (XRD), UV-Vis diffuse reflectance spectroscopy (DRS), vibrating sample magnetometry (VSM), and transmission electron microscopy (TEM). During the investigation of the applicability of LaFeO3 as a photocatalyst for the atom transfer radical polymerization (ATRP) of methyl methacrylate monomer under UV irradiation, the obtained poly(methyl methacrylate) exhibited a high molecular weight and narrow polydispersity index. In addition, the LaFeO3 can be recovered via application of a magnetic field and reused for the atom transfer radical polymerization process.