Unzipping Multiwalled Carbon Nanotubes under Vortex Fluidic Continuous Flow
Source abstract
Abstract
Conventional batch processing in terms of unzipping multiwalled carbon nanotubes (MWCNTs) suffers from discontinuity, safety and environmental issues, reproducibility, and limited scalability. We have established a continuous-flow, scalable, and safe process for unzipping MWCNTs, achieving a yield of 75% under flow conditions, without the need for any auxiliary reagents. This involves using a mild oxidant, aqueous hydrogen peroxide, and harnessing the mechanical energy in a vortex fluidic device (VFD) while operating at ambient temperature. The physical properties of the fabricated unzipping MWCNTs were investigated by scanning electron microscopy, transmission electron microscopy, thermogravimetric analysis, X-ray photoelectron spectroscopy, powder X-ray diffraction, and Raman spectroscopy. This scalable, continuous-flow VFD-enabled fabrication method for unzipping MWCNTs unveils the power of a fluidic vortex confined in a thin film of liquid for nanocarbon structural re-formation and functionalization.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Microfluidic and Bio-sensing Technologies · Electrohydrodynamics and Fluid Dynamics · Nanopore and Nanochannel Transport Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Physics Department, Faculty of Science, Taibah University, Almadinah, Almunawarrah 42353, Saudi Arabia
Nanotechnology Centre, Taibah University, Almadinah, Almunawarrah 42353, Saudi Arabia
Flinders Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Adelaide, South Australia 5001, Australia
Queensland Micro- and Nanotechnology Centre and School of Engineering and Built Environment, Griffith University, Nathan, Queensland 4111, Australia
Funding
Government of South Australia · Taibah University · Australian Research Council
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