ZnO Katkılı PCL+PVC-N3 Polimerlerinin Yapısal ve Optiksel Özellikleri

Abstract

Bu çalışmada poly (-caprolactone) (PCL) ile Poli(vinil klorür) (PVC-N3) blendleri üretilmiş olup, ZnO yarıiletken ilavesi ile oluşan kompozit araştırılmıştır. Öncelikle PCL ve PVC-N3 uygun bir çözelti içerisinde homojenizatör yardımıyla uzun süre ka-rıştırılarak elde edilmiştir. Ayrı bir yerde aynı çözücü ile karıştırılan ZnO hazırlanan blende eklenerek, değişen ZnO oranına göre polimer karışımında meydana gelen fark-lılıklar incelenmiştir. %5, %10, %15 oranlarında ZnO yarıiletkeni eklenmiştir. Hazır-lanan numunelerin yapısal sonuçları XRD ve SEM analizleri ile incelenmiştir. ZnO katkılı kompozitlerinin optik özellikleri UV-VIS spektrometresi ile karakterize edil-miştir. Numunelerin XRD (X-ışını Difraksiyonu) spektrumlarında hekzagonal wurtzite yapılı ZnO’in varlığını göstermiştir. SEM (Taramalı Elektron Mikroskopu) analizle-rinde ise yapıda kümelenmenin artması görülmüş olup; polimer blendinin katkıyla yüzey pürüzlülüğünü değiştirdiğini göstermektedir. Buna ilaveten; PCL+PVC-N3 karı-şımının ZnO ile optiksel etkileşimi UV-Vis spektroskopisi kullanılarak incelenmiştir. UV-Vis ölçümleri kullanılarak numunelerdeki yasak enerji aralıklarındaki değişmeler çeşitli uygulamalar için iyileştirme gösterecek şekilde belirlenmiştir. ZnO-PCL+PVC-N3 kompositlerinin optik enerji bant aralıkları artan katkı içeriğiyle değişiklik gösterdiği görülmüştür.

Keywords

• PCL ve PVC-N3 polimer
• Çinko Oksit
• Optik özellikler

Structural and Optical Properties of ZnO-doped PCL+PVC-N3 Polymers

Abstract

In this study, poly (-caprolactone) (PCL) and poly(vinyl chloride) (PVC-N3) blends were produced and the composite formed by the addition of ZnO semiconductor was investigated. First of all, PCL and PVC-N3 were obtained by mixing in a suitable solu-tion with the help of a homogenizer for a long time. ZnO, which was mixed with the same solvent in a separate place, was added to the prepared blend and the changes in the polymer blend were examined according to the changing ZnO ratio. 5%, 10%, 15% ZnO semiconductor was added. The structural results of the prepared samples were analyzed by XRD (X-Ray Diffraction) and SEM (Scanning Electron Microscopy) analysis. The optical properties of ZnO doped composites were characterized by UV-VIS spectrometry. XRD spectra of the samples showed the presence of ZnO with hexagonal wurtzite structure. SEM analysis showed increased clustering in the struc-ture, indicating that the polymer blend changes the surface roughness with doping. In addition, the interaction of PCL+PVC-N3 blend with ZnO was also investigated using UV-Vis spectroscopy. Using UV-Vis measurements, the changes in the forbidden en-ergy ranges of the samples were determined to show improvements for various appli-cations. The optical energy band gaps of ZnO-PCL+PVC-N3 composites were found to change with increasing doping content.

Keywords

• PCL and PVC-N3 polymer
• Zinc Oxide
• Optical properties

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