ELEKTROSPİN METODU İLE ÜRETİLEN ZnO NANO PARTİKÜL KATKILI PAN NANOFİBERLERİN ISIL İLETKENLİĞİNİN VE ELEKTRİKSEL İLETKENLİKLERİNİN İNCELENMESİ

ELEKTROSPIN METODU ILE URETILEN ZnO NANO PARTIKUL KATKILI PAN NANOFIBERLERIN ISIL ILETKENLIĞININ VE ELEKTRIKSEL ILETKENLIKLERININ INCELENMESI Ozet Bu calismada, cinko oksit (ZnO) nano partikullerle guclendirilmis olan Poliakrilonitril (PAN) nanofiberlerin isil iletkenlikleri ve elektriksel iletkenlikleri incelenmistir. Oncelikle, PAN+dimetilformamid (DMF) cozeltisi hazirlanmistir. Bu cozeltide PAN agirlikca % 8 oranindadir. Agirlikca % 1, 3 ve 5 oranlarinda PAN cozeltisine ZnO nano partikuller eklenmistir. Hazirlanmis olan bu cozelti ile elektrospin islemi kullanilarak, ZnO nano partikul katkili PAN nanofiberler uretilmistir. Elektrospin cihazi, 15 kV gerilimde, igne ucu ile toplac arasindaki mesafe 12 cm, besleme hizi 2 mL/h kosullarinda calistirilmistir. Saf PAN ve ZnO katkili PAN nanofiberlerin isil iletkenlikleri ve elektriksel iletkenlikleri incelenmistir. Bu calismada, en fazla isi iletim katsayisi ve elektriksel iletkenlik degeri sirasiyla, 5 Watt guc icin 0,91 W/mK, 5.35x10 -3 S/cm’dir. Bu degerler, % 5 ZnO nano partikullu PAN nanofiberde olusmustur. Anahtar Kelimeler: Elektriksel iletkenlik, elektro-egirme metodu, isil iletkenlik, nanofiber, nanopartikul, PAN. INVESTIGATION OF THERMAL CONDUCTIVITY AND ELECTRICAL CONDUCTIVITY OF PAN NANOFIBERS CONTAINING ZnO NANOPARTICLES PRODUCED BY ELECTROSPINNING METHOD Abstract In this study, thermal conductivity and electrical conductivity of polyacrylonitrile (PAN) nanofibers reinforced with zinc oxide (ZnO) nanoparticles were investigated. First, PAN+ dimethylformamide (DMF) solution was prepared. In this solution, PAN is 8 % by weight.  ZnO nanoparticles were added to the PAN solution at 1, 3 and 5% by weight. With this solution, PAN nanofibers with ZnO nanoparticles were produced by electrospin process. The electrospin device was operated at a voltage of 15 kV, the distance between the needle tip and the collector was 12 cm, the feed rate was 2 mL/h. Thermal conductivity and electrical conductivity of pure PAN and ZnO doped PAN nanofibers were investigated. In this study, the maximum thermal conductivity and electrical conductivity values are 0.91 W / mK for 5 Watt power and 5.35x10 -3 S/cm, respectively. These values were obtained in PAN nanofiber with 5% ZnO nanoparticle. Keywords: Electrical conductivity, electro-spinning method, thermal conductivity, nanofiber, nanoparticle, PAN.