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Journals / El-Cezeri / 2019 / Cilt: 6 Sayı: 3

The Effect of Voltage and Working Time on Silver Nanoparticle Size Synthesized by Solution Plasma Method

Çözelti Plazması Yöntemiyle Sentezlenen Gümüş Nanoparçacık Boyutuna Voltaj ve Çalışma Süresinin Etkisi

Mehmet Özkan(AFYON KOCATEPE ÜNİVERSİTESİ, FEN-EDEBİYAT FAKÜLTESİ, FİZİK BÖLÜMÜ)0000-0001-8346-1459
Ali Sakarya0000-0002-9616-9921
Journal
El-Cezeri
Pages
606–612
Publication Date
2019-09-30
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AI Summary & Key Takeaways

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

The voltage increase was only effective in the first 10 minutes.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, plasma was formed with bipolar direct current power supply in aqueous solution containing silver nitrate salt.
📊
Key Findings & Data:Optical emission measurements were performed before and during the study, and hydrogen (655 nm, Hα, Hb, 775 nm), oxygen (775 nm), hydroxyl (306 nm) radicals were observed at the spectrum peaks.
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Conclusion & Impact:The voltage increase was only effective in the first 10 minutes.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Plazma · Çözelti Plazması · Nanoparçacık

Abstract

In this study, plasma was formed with bipolar direct current power supply in aqueous solution containing silver nitrate salt. Metallic silver nanoparticles were synthesized by the plasma system. Optical emission measurements were performed before and during the study, and hydrogen (655 nm, Hα, Hb, 775 nm), oxygen (775 nm), hydroxyl (306 nm) radicals were observed at the spectrum peaks. During the operation, the application voltage was changed to 500, 1000 and 1500 kV respectively, and samples were taken at 10, 20 and 30 minutes at each voltage value and XRD and FESEM and nanoparticles were characterized. In addition, the concentration change of silver ions in solution with UV-Vis Spectrophotometer was investigated. The size of the synthesized silver nanoparticles decreased with increasing time and it was observed that it reached 10 and 40 nm dimensions after 30 minutes. The voltage increase was only effective in the first 10 minutes.

Özet

çalışmada, gümüş nitrat tuzu içeren sulu çözelti içerisinde çift kutuplu doğru akım güç kaynağı ile plazma oluşturulmuştur. Oluşturulan plazma sistemi ile metalik gümüş nanoparçacıklar sentezlenmiştir. Çalışma öncesinde ve çalışma esnasında optik emisyon ölçümleri yapılmış ve , plazma oluşumunda suyun ayrışması sonucu hidrojen (655nm de Hα, 480nm de Hβ, 775nm), oksijen (775nm), hidroksil (306 nm) radikallerinin oluşumu spektrum piklerinde gözlenmiştir. Çalışma esnasında Uygulama voltajı sırasıyla 500, 1000 ve 1500 kV olarak değiştirilmiş ve her bir voltaj değerinde 10 , 20 ve 30 dakikalarda numuneler alınarak, XRD ve FSEM’le nanoparçacıklar karakterize edilmiştir. Ayrıca UV-Vis Spektrofotometre ile çözeltideki gümüş iyonları konsantrasyon değişimi incelenmiştir. Sentezlenen gümüş nanoparçacıkların boyutlarının süre artışı ile küçüldüğü ve 30 dakika sonunda 10 ile 40 nm boyutlarına ulaştığı gözlenirken. Voltaj artışının sadece ilk 10 dakika süresinde etkili olduğu anlaşılmıştır.

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Cite This Article

Özkan, M. (2019). The Effect of Voltage and Working Time on Silver Nanoparticle Size Synthesized by Solution Plasma Method. El-Cezeri, Cilt: 6 Sayı: 3, 606–612. https://doi.org/10.31202/ecjse.561979

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