Sol-Jel Yöntemiyle Sentezlenen Magnezyum Oksit ve Kadmiyum Oksit Nanoparçacıkların Yapısal ve Morfolojik Özelliklerinin İncelenmesi

Öz

Bu çalışmada, magnezyum oksit (MgO), kadmiyum oksit (CdO) ve MgO-CdO nanoparçacıkları sol-jel sentezleme yöntemiyle üretildi. Magnezyum kaynağı olarak magnezyum asetat tetrahidrat Mg(CH3COO)2•4H2O, kadmiyum kaynağı olarak kadmiyum asetat dihidrat (C₄H₆CdO4·2H₂O) kullanıldı. Sol-jel nanoparçacık sentezleme işleminde çözücüler 80°C sıcaklıkta 4 saat manyetik karıştırıcıda çözündürülerek gerçekleştirildi. Çözünen nanoparçacıkların süzme, kurutma, havanda dövme ve tavlama işlemleri gerçekleştirildi. Sentezlenen nanoparçacıkların yapısal ve morfolojik özellikleri Alan Emisyonlu Taramalı Elektron Mikroskobu (FE-SEM), X-Işını Kırımı (XRD), Enerji Dispersiv Spektrum (EDX) ve Fourier Dönüşümlü Kızılötesi Spektroskopisi (FT-IR) analizleri ile incelendi. Yapılan analizler sonucunda XRD analizlerinde MgO ve CdO nanoparçacıklarının karakteristik piklerine rastlandı. XRD analiz sonuçlarında nanoparçacıkların karekteristik piklerinde artışlar ve kaymalar meydana geldi. MgO-CdO numunesinde hem MgO ‘nun hem de CdO ’nun kafes parametrelerinde değişiklikler meydana geldiği gözlemlendi. FE-SEM analizleri sonucunda, MgO ve CdO nanoparçacıklarının oluştukları görüldü. EDX analizlerinde Mg, O, Cd katkılarının oluştuğu ve nanoparçacıkların sentezlendiği görüldü. MgO ve CdO nanoparçacıklarının kullanım alanları göz önünde bulundurulduğunda üretilen MgO-CdO nanoparçacıklarının yarı iletken metal oksit içeren elektronik cihazlarda kullanılabileceği düşünülmektedir.

Anahtar Kelimeler

• Sol-jel
• Magnezyum oksit
• Kadmiyum oksit
• Nanoparçacık sentezi

Investigation of Structural and Morphological Properties of Magnesium Oxide and Cadmium Oxide Nanoparticles Synthesized by Sol-Gel Method

Öz

In this study, magnesium oxide (MgO), cadmium oxide (CdO) and MgO-CdO nanoparticles were produced by sol-gel synthesis method. Magnesium acetate tetrahydrate Mg (CH3COO)2•4H2O as magnesium source, cadmium acetate dihydrate (C₄H₆CdO4·2H₂O) as cadmium source were used. Sol-gel nanoparticle synthesis was carried out by dissolving the solvents in a magnetic stirrer at 80°C for 4 hours. The filtration, drying, pestle and annealing processes of the dissolved nanoparticles were carried out. The structural and morphological properties of the synthesized nanoparticles were investigated by Field Emission Scanning Electron Microscopy (FE-SEM), X-Ray Diffractometer (XRD), Energy Dispersive Spectrum (EDX) and Fourier Transform Infrared Spectroscopy (FT-IR) analyses. As a result of the analysis, characteristic peaks of MgO and CdO nanoparticles were found in XRD analysis. In the XRD analysis results, increases and shifts occurred in the characteristic peaks of the nanoparticles. In the MgO-CdO sample, changes occurred in the lattice parameters of both MgO and CdO. As a result of FE-SEM analysis, it was observed that MgO and CdO nanoparticles were formed. In EDX analysis, Mg, O, Cd contributions were formed and nanoparticles were successfully produced. Considering the usage areas of MgO and CdO nanoparticles, it is thought that the produced MgO-CdO nanoparticles can be used in electronic devices containing semiconductor metal oxide.

Anahtar Kelimeler

• Sol-gel
• Magnesium oxide
• Cadmium oxide
• Nanoparticle synthesis

Kaynakça

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