Nurettin ŞAHİNER
(Çanakkale Onsekiz Mart Üniversitesi, Fen Edebiyat Fakültesi, Kimya Bölümü, Çanakkale, Türkiye)
Kıvanç SEL
(Orta Doğu Teknik Üniversitesi, Fen Edebiyat Fakültesi, Fizik Bölümü, Ankara, Türkiye)
Nahit AKTAŞ
(Çanakkale Onsekiz Mart Üniversitesi, Fen Edebiyat Fakültesi, Kimya Bölümü, Çanakkale, Türkiye)
Proje Grubu: TÜBİTAK MAG ProjeSayfa Sayısı: 103Proje No: 214M130Proje Bitiş Tarihi: 15.04.2017Türkçe

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Kriyojel/İletken Polimer Kompozitlerinin Hazırlanması Ve Sensör Olarak Uygulanabilirliğinin İncelenmesi
Bu proje kapsamında süper gözenekli, değişik fonksiyonel gruplara ve iyonlaşabilme kapasitesine sahip poli(Akrilamit) (p(AAm)), p(2-hidroksietilmetakrilat) (p(HEMA)), p(2- akrilamido-2-metil-1-propan sülfonik asit) (p(AMPS)), p(3-akrilamidopropiltrimetil amonyum klorür) (p(APTMACl)), p(4-vinil piridin) (p(4-VP)) ve p(Akrilik asit) (p(AAc)) kriyojelleri sentezlenmiş ve bunlar iletken p(Anilin) (p(An)), p(Pirol) (p(Py)) ve p(Tiyofen) (p(Th)) polimerlerinin sentezi için destek materyal olarak kullanılmıştır. Ayrıca p(AAm), p(HEMA) ve p(4-VP) kriyojellerinin grafen oksit (GO) ile kompozitler sentezlenmiş ve hidroiyodik asit (HI), sodyum borhidrür (NaBH4), hidrazin (N2H4), tannik asit (TA), askorbik asit (Vit C) ve polietilenimin (PEI) gibi indirgeyici ajanlar ile muamele edilerek GO yapılarının indirgenmesi (r-GO) sağlanarak iletkenliklerinin artması sağlanmıştır. Daha sonra hazırlanan p(AAm)-r-GO ve p(HEMA)-r-GO kriyojel kompozitlerinin içinde p(An), p(4-VP)-r-GO kriyojel kompozitinin için de p(An), p(Py) ve p(Th) iletken polimerleri sentezlenmiştir. Hazırlanan kriyojel iletken polimer kompozitleri Fourier dönüşümlü kızılötesi spektrometresi (FT-IR), termogravimetrik analizör (TGA) ve taramalı elektron mikroskop (SEM) cihazları ile karakterize edilmiştir. Daha sonra elektrometre cihazı ile elde edilen I-V grafiklerinden iletkenlikleri karşılaştırılmış ve içlerinde iletken polimer sentezlenen süper gözenekli kriyojelerin iletkenliklerinde 10 milyon kata kadar ulaşan artmalar gözlenmiştir. Ayrıca sentezlenen kriyojel/iletken polimer kompozitlerinin hidroklorik asit (HCl) ve amonyak buharı (NH3), karbon dioksit (CO2) gazı, metilen metil oranj (MO) ve mavisi (MB) gibi boyalar, parakuat ve glifosfat gibi herbisitler ile 4-nitrofenol (4-NP) gibi nitro bileşiklere karşı sensör uygulamaları iletkenliklerinde meydana gelen değişimler ile incelenmiştir. Yapılan bu çalışmalar sonucunda sentezlenen kriyojel/iletken polimer kompozitlerinin değişik moleküllerin algılanmasında sensör uygulama potansiyellerinin olabileceği sonuçlarına ulaşılmıştır.
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