Synthesis of Functionalized Titanium Dioxide Nanotube

Yıl 2020, Cilt: 15 Sayı: 1, 167 - 176, 31.05.2020

Banu Türkaslan , Melek Aktaş , Sultan Akar

https://doi.org/10.29233/sdufeffd.666020

Öz

Several studies releated on TiO2 nanotubes synthesis show that nanotubes do not occur under the specified conditions, while the characterization results belong to the powder form of the nanomaterials. In this study, titanium dioxide (TiO2) nanotubes were synthesized via hydrothermal process fromcommercial TiO2 powder. After optimizing the experimental conditions for nanotube synthesis, the obtained TiO2 nanotubes were functionalized with methacrylic acid. The structure of TiO2 powder, hydrothermal conditions (temperature, concentration of reagents and hydrothermal time) and subsequent washing processes were observed to play an important role in determining the TiO2 nanotube structure (crystallography and morphology) and physical-chemical properties. The morphology of the nanotubes were characterized by Energy Dispersion Spectrometry (EDS), Fourier Transform Infrared Spectroscopy (FTIR), X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM).

Anahtar Kelimeler

Functionalized Titanium Dioxide, Nanotube, Hydrothermal synthesis

Fonksiyonelleştirilmiş Titanyum Dioksit Nanotüp Sentezi

Öz

TiO2 nanotüp sentezi ile ilgili yapılan çalışmalarda belirtilen koşullarda nanotüplerin oluştuğu yönünde sonuçlar verilirken, karakterizasyon sonuçlarının nano malzemenin toz formuna ait olduğu, tübüler yapılara ait formların oluşmadığı görülmektedir. Bu çalışmada titanyum dioksit (TiO2) tozundan hidrotermal sentez yöntemi ile TiO2 nanotüpleri elde edildi. Nanotüp sentezi için deney şartları optimize edildikten sonra elde edilen TiO2 nanotüplerin metakrilik asit ile fonksiyonlaştırma işlemi gerçekleştirildi. TiO2 tozunun yapısı, hidrotermal koşullar (sıcaklık, reaktiflerin konsantrasyonu ve hidrotermal süresi) ve sonraki yıkama işlemleri, TiO2 nanotüp yapısını (kristalografi ve morfoloji) ve fiziksel-kimyasal özelliklerini belirlemede önemli bir rol aldığı gözlendi. Sentezlenen nanotüp yapıları, Enerji Dağılım Spektrometresi (EDS), Fourier Dönüşümlü Kızılötesi Spektroskopisi (FTIR), X-Işını Kırınım Difraktometresi (XRD) ve Taramalı Elektron Mikroskobu (SEM) ile karakterize edildi.

Anahtar Kelimeler

Fonksiyonelleştirilmiş Titanyum Dioksit, Nanotüp, Hidrotermal sentez

Kaynakça

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