Antibacterial and Optical Properties of Mn Doped ZnO Nanopowders Synthesized via Spray Drying and Subsequent Thermal Decomposition

Year 2020, Volume: 35 Issue: 4, 1073 - 1082, 31.12.2020

Şeyma Duman Büşra Bulut , Burak Özkal

https://doi.org/10.21605/cukurovaummfd.869176

Cited By: 2

Abstract

Mn doped ZnO nanopowders with homogenous particle distribution were synthesized using spray drying and thermal decomposition dual methods. Synthesis was carried out in spray drying slurry containing zinc acetate powders followed by calcining the as-prepared powders at 300, 400, and 500oC. Mn doping was achieved by adding manganese (II) acetate at different concentrations between 0.01-0.05 M during the synthesis. The obtained powders were characterized by a variety of characterization techniques. The results of phase analysis revealed that Mn-doped ZnO nanopowders having a single hexagonal structured ZnO phase. According to the results of microstructural and UV-vis characterizations; morphologies and optical properties of the Mn-doped ZnO nanopowders were affected by Mn doping. Furthermore, the results of this study exhibited that the addition of Mn have a significant influence on the antibacterial performance of the synthesized ZnO nanopowders.

Keywords

Mn doped ZnO, Spray drying, Optical properties, Antibacterial properties

Püskürtmeli Kurutma ve Ardından Termal Bozunma ile Sentezlenen Mn Katkılı ZnO Nanotozların Antibakteriyel ve Optik Özellikleri

Abstract

Homojen dağılımlı Mn katkılı ZnO nanotozlar, püskürtmeli kurutma ve termal bozunma ikili yöntemleri kullanılarak sentezlenmiştir. Sentez, çinko asetat tozları içeren püskürtmeli kurutma bulamacında gerçekleştirilmiş olup, ardından hazırlanan tozlar 300, 400 ve 500oC’de kalsine edimiştir. Sentez sırasında 0,01-0,05 M arasında farklı konsantrasyonlarda mangan (II) asetat ilave edilerek Mn katkısı sağlanmıştır. Elde edilen tozların karalterizasyonu gerçekleştirilmiştir. Faz analizinin sonuçları, Mn katkılı ZnO nanotozlarının, altıgen bir yapıda tek bir ZnO fazına sahip olduğunu ortaya çıkardı. Mikroyapısal ve UV- görünür karakterizasyon sonuçlarına göre Mn katkısı, ZnO nanotozlarının morfolojilerini ve optik özelliklerini değiştirmiştir. Ayrıca sonuçlar, Mn ilavesinin sentezlenmiş ZnO nanotozların antibakteriyel performansını önemli ölçüde artırabildiğini ortaya koymuştur.

Keywords

Mn katkılı ZnO, Püskürtmeli kurutma, Optik özellikler, Antibakteriyel özellikler

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