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Journals / Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi / 2018 / Cilt: 20 - Sayı: 58

Optimization of ZnO Nanoparticles Prepared by Sol-Gel Technique

Sol-jel Yöntemi ile Hazırlanmış ZnO Nanopartiküllerin Optimizasyonu

N Funda AK AZEM
IŞIL BİRLİK
Pages
121–127
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Results show that the lowest ZnO nanoparticles size obtained with precursor solution prepared at 0.005M and calcined at 400 °C

📌 3 Key Takeaways

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Objective & Hypothesis:Zinc oxide (ZnO) nanoparticles can potentially be applied to photo-catalysis, composite materials, chemical, gas, vapor, and humidity sensors and dye-sensitized solar cells due to their excellent optical, electrical, mechanical and chemical properties.
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Key Findings & Data:ZnO nanoparticles were prepared from zinc acetate dihydrate and oxalic acid dihydrate precursors and ethyl alcohol solvent.
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Conclusion & Impact:Results show that the lowest ZnO nanoparticles size obtained with precursor solution prepared at 0.005M and calcined at 400 °C
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Zinc oxide (ZnO) nanoparticles can potentially be applied to photo-catalysis, composite materials, chemical, gas, vapor, and humidity sensors and dye-sensitized solar cells due to their excellent optical, electrical, mechanical and chemical properties. The aim of this study was to synthesize ZnO nanoparticles by sol-gel technique and characterize them. ZnO nanoparticles were prepared from zinc acetate dihydrate and oxalic acid dihydrate precursors and ethyl alcohol solvent. The effects of process parameters such as the precursor solution molar concentration, pH and calcination temperatures on the size of the synthesized nanoparticles were investigated. Particle size of synthesized ZnOnanoparticles was determined by using a ZetaSizer instrument. Structural and chemical properties of synthesized ZnO nanoparticles were investigated by X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) respectively. Results show that the lowest ZnO nanoparticles size obtained with precursor solution prepared at 0.005M and calcined at 400 °C

Özet

Çinko oksit (ZnO) nanopartikülleri mükemmel optik, elektriksel, mekanik ve kimyasal özelliklerinden dolayı fotokatalize, kompozit malzemelere, kimyasal, gaz, buhar ve nem sensörlerine ve boyaya duyarlı güneş pillerine uygulanabilmektedir. Bu çalışmanın amacı, sol-jel yöntemiyle ZnO nanopartiküllerin sentezlenmesi ve karakterize edilmesidir. ZnO nanopartikülleri çinko asetat dihidrat ve oksalik asit dihidrat başlangıç kimyasalları ve etil alkol çözücüsü kullanılarak hazırlanmıştır. Başlangıç çözeltisi molar konsantrasyonu, pH ve kalsinasyon sıcaklığı gibi işlem parametrelerinin sentezlenen nanopartikül boyutu üzerine etkisi incelenmiştir. ZnO nanopartiküllerinin boyutu ZetaSizer cihazı kullanılarak belirlenmiştir. Sentezlenen ZnO nanopartiküllerinin yapısal ve kimyasal özellikleri X-Işını difraksiyonu (XRD) ve Fourier Dönüşümlü Kızılötesi Spektroskopisi (FTIR) ile belirlenmiştir. Elde edilen sonuçlar en düşük nanopartikül boyutunun başlangıç çözeltisinin 0,005M değerinde hazırlanması ve 400 °C sıcaklıkta kalsinasyon işlemine tabi tutulması sonucunda elde edildiğini göstermiştir.

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Cite This Article

AZEM, N. F. A., BİRLİK, I. (2018). Optimization of ZnO Nanoparticles Prepared by Sol-Gel Technique. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi, Cilt: 20 - Sayı: 58, 121–127. https://ajindex.com/articles/191042

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