Author:
Uddin Imran,Adyanthaya Suguna,Syed Asad,Selvaraj K.,Ahmad Absar,Poddar Pankaj
Abstract
After the advent of novel chemical and microbial techniques, providing control over grain size and shape of the nanomaterials, several binary-oxide materials have been explored in size less than 10 nm for their tunable physical properties. Bi2O3 nanoparticles have
also redrawn attention due to their excellent properties, mostly as optoelectronic material. Here, we report the room-temperature biosynthesis of Bi2O3 nanoparticles in a size range of 5–8 nm by extra-cellularly challenging the plant pathogenic fungus—Fusarium
oxysporum with the bismuth nitrate as precursor. The assynthesized particle-surfaces are inherently functionalized by a robust layer of proteins which provides them very good stability in the aqueous medium. Structural investigation using selected area electron diffraction, high resolution
transmission electron microscopy and powder XRD shows that particles are almost perfectly single crystalline and primarily crystallize in α-phase with monoclinic structure.
Publisher
American Scientific Publishers
Subject
Condensed Matter Physics,General Materials Science,Biomedical Engineering,General Chemistry,Bioengineering
Cited by
62 articles.
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