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Sustainable approach toward synthesis of green functional carbonaceous 3-D micro/nanostructures from biomass

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journal contribution
posted on 2022-12-16, 14:47 authored by Amirhossein Tavangar, Bo TanBo Tan, Krishnan Venkatakrishnan
This study proposes a novel technique to synthesize functional carbonaceous three-dimensional (3-D) micro/ nanocompounds from agricultural by-products using femtosecond laser irradiation. Biowastes of rice husk and wheat straw are value-engineered to carbonaceous structures in a single-step process under ambient conditions. Our results demonstrate that by controlling the laser fluence, structures with a variety of different morphologies from nanostructures to microstructures can be achieved. Also, the results indicate that altering the laser processing parameters influences the chemical composition of the synthesized structures. This sustainable approach presents an important step towards synthesizing 3-D micro/nanofibrous compounds from biowaste materials. These structures, as-synthesized or as nanocomposite fillers, can have practical uses in electronic, sensing, biological, and environmental applications.