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Volume 45 All articles Published: 7 April 2022 Article ID 0067
NABEEL Z AL-HAZEEM Z HASSAN SABAH M MOHAMMAD NASER M AHMED
The synthesis of nanoparticles and nanofibres was carried out by preparing a homogeneous solution of poly(vinylpyrrolidone) (PVP) with titanium dioxide (TiO$_2$), followed by electrospinning. The influence of the solution flow rate was 20, 10, 5 and 1 ml h$^{–1}$ during the synthesis of the nanostructure polymer/semiconductor composite examine. Raman and photoluminescence analyses confirm the presence of TiO$_2$ anatase phase; both intensity and broadening of peaks are sensitive to the flow rate. X-ray diffraction patterns show sharp and well-defined peaks, which correspond to the anatase phase, also the relative intensity of the peaks varies with the flow rate. Field-emission scanning electron microscope images reveal that nanoparticles were formed initially, which gradually transforms into nanofibres, thus forming a nanostructured composite. The study is the focus on the form of multiple nanostructures that can be easily controlled by changing the solution flow rate during electrospinning. We focused to synthesize both nanoparticles and nanofibres using electrospinning compared to what has been done in previous studies, where only nanofibres have been obtained. We studied the transformation of nanoparticles into nanofibres with respect to change in flow rate; it gives us many options for the fabrication of polymer solar cell layers.
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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
Posted on October 12, 2020Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
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