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Volume 45 All articles Published: 12 July 2022 Article ID 0133
G T V PRABU R GURUPRASAD C SUNDARAMOORTHY N VIGNESHWARAN
Electrospun nanofibres can be used in nanosensors, nanofilters, catalysts, tissue scaffolds, batteries, solar cells, protective clothing and so on. The major improvement in various applications is brought about by the enhanced surface area of the electrospun nanofibres. We employed a statistical approach to optimize electrospinning process parameters to produce cellulose acetate (CA) nanofibre mat with Brunauer–Emmett–Teller (BET) surface area as theresponse variable. The selected variables (applied voltage, distance between needle and collector, and flow rate of solution) were optimized by response surface methodology (Central Composite Design–CCD) to capture the linear andquadratic influence to maximize specific surface area (SSA) of electrospun fibre mat measured by BET analyzer. The predicted model was significant with $R^2$ value of 0.91 and adjusted $R^2$ value of 0.83. This model predicted the SSA of 2.34m$_2$ g$^{-1}$ for the optimized parameters 24.8 kV voltage, 12 cm distance between needle and collector and 0.04 ml min$^{-1}$ flow rate. The difference between the predicted value and the experimental result at the same parameters setting was less than 5%. The obtained results confirmed that the selected CCD model appropriately presented the performance of selected parameters in the prediction of SSA of CA nanofibre mat.
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Bulletin of Materials Science
Volume 46, 2023
All articles
Continuous Article Publishing mode
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Bulletin of Materials Science | News
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Dr Shanti Swarup Bhatnagar for Science and Technology
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