A NOVEL STUDY ON THE SYNTHESIS, CHARACTERIZATION, AND PHOTOCATALYTIC ACTIVITY OF CeO2 NANOPARTICLES

Nazlı Türkten; Yunus Karataş

doi:10.17780/ksujes.1369994

TR EN

CeO2 NANOTANECİKLERİNİN SENTEZİ, KARAKTERİZASYONU VE FOTOKATALİTİK AKTİVİTESİ

Öz

Boya içeren endüstriyel atık suyunun yeterli bir arıtma işlemi yapılmadan boşaltılması sonucunda önemli çevre ve su kirliliği oluşabilir. Yarı iletken fotokataliz, atık sulardaki organik boyaların parçalanması amacıyla yaygın olarak kullanılan uygun bir teknolojidir. Bu çalışmada, CeO2 nanotanecikleri basit bir çöktürme yöntemi kullanılarak hazırlanmıştır. Fourier dönüşümlü kızılötesi spektroskopisi-zayıflatılmış toplam yansıma (FTIR-ATR), Raman spektroskopisi, X-ışını difraktometresi (XRD) ve taramalı elektron mikroskobu (SEM) yöntemleri kullanılarak CeO2 nanotaneciklerinin yapısal ve morfolojik özellikleri belirlenmiştir. FTIR spektrumunda yer alan karakteristik bandların varlığı CeO2 oluşumunun başarılı bir şekilde gerçekleştiğini göstermiştir. Scherrer eşitliği kullanılarak kristal tanecik boyutu 10 nm olarak hesaplanmıştır. SEM görüntüleri, CeO2’nin morfolojisinin yüzeyde çok az bir topaklanma olsa da neredeyse küresel taneciklerden oluştuğunu ortaya çıkarmıştır. Brunauer-Emmett-Teller (BET) yöntemi kullanılak CeO2 nanotaneciklerinin spesifik yüzey alanı (11 m2/g) belirlenmiştir. CeO2 nanotaneciklerinin etkinliği, UV ışığı altında Rhodamin B (Rh B) boyasına karşı fotokatalitik aktiviteleri incelenerek saptanmıştır. Elde edilen sonuçlar, CeO2 nanotaneciklerinin endüstriyel atıksu arıtımında kullanılabilecek, ileriye dönük ümit vaat eden bir katalizör olduğunu göstermiştir.

Anahtar Kelimeler

A NOVEL STUDY ON THE SYNTHESIS, CHARACTERIZATION, AND PHOTOCATALYTIC ACTIVITY OF CeO2 NANOPARTICLES

Abstract

The discharge of untreated wastewater from unplanned industrial activities using dyes can cause serious environmental pollution and affect the aquatic environment. Semiconductor photocatalysis is a favorable technology widely used for degrading organic dyes in wastewater. This study dealt with the preparation of CeO2 nanoparticles via a simple precipitation technique. Information on the structural and morphological features of the developed CeO2 nanoparticles were determined using Fourier transform infrared with attenuated total reflectance (FTIR-ATR), Raman spectroscopy, X-ray diffraction (XRD), and scanning electron microscopy (SEM) spectroscopic methods. The presence of the characteristic bands of CeO2 in the FTIR spectrum provided evidence of successful CeO2 formation. The calculated crystallite particle size utilizing the Scherrer equation was 10 nm. SEM images revealed that the morphology of CeO2 consisted of almost spherical particles with slight agglomeration. Brunauer-Emmett-Teller (BET) technique was also used to find out the specific surface area of CeO2 nanoparticles (11 m2/g). The efficiency of CeO2 nanoparticles was also confirmed in terms of their photocatalytic activity against Rhodamine B (Rh B) under UV-A light. The results indicated that CeO2 nanoparticles could be a promising catalyst candidate for industrial wastewater treatment.

Keywords

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

Çevre Mühendisliği (Diğer)

Bölüm

Araştırma Makalesi

Yazarlar

Nazlı Türkten ^*
0000-0001-9343-3697
Türkiye

Yunus Karataş
0000-0002-3826-463X
Türkiye

Yayımlanma Tarihi

3 Mart 2024

Gönderilme Tarihi

2 Ekim 2023

Kabul Tarihi

28 Aralık 2023

Yayımlandığı Sayı

Yıl 2024 Cilt: 27 Sayı: 1

DOI

https://doi.org/10.17780/ksujes.1369994

IZ

https://izlik.org/JA34YG56RT

Kaynak Göster

RIS / Bibtex

APA

Türkten, N., & Karataş, Y. (2024). A NOVEL STUDY ON THE SYNTHESIS, CHARACTERIZATION, AND PHOTOCATALYTIC ACTIVITY OF CeO2 NANOPARTICLES. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, 27(1), 190-198. https://doi.org/10.17780/ksujes.1369994

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