TY - JOUR T1 - EFFECT OF ETHYL ACETATE AMOUNT ON MORPHOLOGY AND DIAMETER OF NANOFIBERS SYNTHESIZED BY ELECTROSPINNING METHOD AU - İcin, Kürşat AU - Bilgin, Sümran AU - Sünbül, Sefa Emre PY - 2025 DA - June Y2 - 2025 DO - 10.70858/tijmet.1657368 JF - The International Journal of Materials and Engineering Technology JO - TIJMET PB - Necip Fazıl YILMAZ WT - DergiPark SN - 2667-4033 SP - 36 EP - 40 VL - 8 IS - 1 LA - en AB - The aim of this study is to investigate the effect of ethyl acetate added to the solution used innanofiber production and the changes in nanofiber diameters depending on the amount of ethylacetate used. Solutions were prepared using polyacrylonitrile, high-entropy oxide, anddimethylformamide, and ethyl acetate was added to these solutions at ratios of 5%, 10%, and15% relative to DMF. These solutions were fed into an electrospinning device to producenanofibers. Nanofibers obtained from the solution containing 15% ethyl acetate exhibited adiscontinuous and irregular morphology. However, in the solution containing 10% ethylacetate, continuous nanofiber formation was achieved under production conditions of 0.14 ml/hfeed rate, 6 kV voltage, 205 mm distance, and 500 rpm rotation speed, resulting in nanofiberdiameters as small as 110 nm. The use of ethyl acetate at 5% and 10% ratios led to the formationof thinner and more homogeneous nanofibers, while the use of 15% ethyl acetate negativelyaffected nanofiber morphology by reducing solution viscosity. Solutions containing 5% PAN,35% high-entropy oxide, and 10% ethyl acetate were processed using 16G (1.6 mm) and 22G(0.7 mm) nozzle diameters to produce nanofibers.The scanning electron microscope images of the obtained nanofibers revealed fiber diametersof 182 nm and 111 nm, respectively. X-ray diffraction patterns of the nanofibers indicated nosignificant changes in diffraction patterns with increasing ethyl acetate content. Fourier -transform infrared spectroscopy analyses conducted to examine the chemical structure of thenanofibers identified characteristic peaks corresponding to high-entropy oxides. KW - nanofiber KW - electrospinnig KW - high entropy oxide CR - Hekmati, A.H., Rashidi, A., Ghazisaeidi, R., Drean, J.-Y., Effect of needle length, electrospinning distance, and solution concentration on morphological properties of polyamide-6 electrospun nanowebs, 2013, 83(14):1452-1466 CR - Cho, Y., Beak, J.W., Sagong, M., Ahn, S., Nam, J.S., Kim, I.-D., Electrospinning and Nanofiber Technology: Fundamentals, Innovations, and Applications, 2025, 2500162 CR - Zhang, Y.-Q., Wang, P., Shi, Q.-F., Ning, X., Chen, Z., Ramakrishna, S., Zheng, J., Long, Y.-Z., Advances in Wet Electrospinning: Rich Morphology and Promising Applications, Advanced Fiber Materials, 2025, 7(2):374-413 CR - Janjhi, F.A., Chandio, I., Janwery, D., Vatanpour, V., Castro-Muñoz,R., A review on hydrophobic electrospun nanofibers-based materials and membranes for water treatment: Challenges, outlook, and stability, Separation and Purification Technology, 2025, 353, 128370 CR - Subbiah, T., Bhat, G.S., Tock, R.W., Parameswaran, S., Ramkumar, S.S., Electrospinning of nanofibers, 2005, 96(2):557-569 CR - Teo, W.-E., Gopal, R., Ramaseshan, R., Fujihara, K., Ramakrishna, S., A dynamic liquid support system for continuous electrospun yarn fabrication, Polymer, 2007, 48(12):3400-3405 CR - Ghalavand, B., Koohmareh, G.A., Homayoonfal, M., Achieving superior Laplace pressure in electrospun PVDF/PAN Janus membranes: A morphological approach, Separation and Purification Technology, 2025, 354, 129116 CR - Dhakate, S.R., Gupta, A., Chaudhari, A., Tawale, J., Mathur, R.B., Morphology and thermal properties of PAN copolymer based electrospun nanofibers, Synthetic Metals, 2011, 161(5):411-419 CR - Li, S., Lee, B.-K., Highly efficient dye adsorption and sunlight-driven photocatalytic degradation using electrospun PAN/CDs@BN fibrous membranes, Separation and Purification Technology, 2025, 364, 132479 CR - Park, J.Y., Lee, I.H., Bea, G.N., Optimization of the electrospinning conditions for preparation of nanofibers from polyvinylacetate (PVAc) in ethanol solvent, Journal of Industrial and Engineering Chemistry, 2008, 14(6):707-713 CR - Perez-Puyana, V.M., Romero, A., Guerrero, A., Moroni, L., Wieringa, P.A., Enabling low molecular weight electrospinning through binary solutions of polymer blends, Next Materials, 2025, 6, 100306 UR - https://doi.org/10.70858/tijmet.1657368 L1 - https://dergipark.org.tr/en/download/article-file/4688628 ER -