Tankut ATEŞ, Omer KAYGİLİ, Niyazi BULUT, Havva Esma OKUR, Serhat KESER, İ.s. YAHIA, Süleyman KÖYTEPE, Turgay SEÇKİN, İmren ÖZCAN, Turan INCE

Co Katkılı SnO2 Numunelerinin Sentez ve Karakterizasyonu

Yüksek kristalleşmeye sahip katkısız ve Co katkılı SnO2 numuneleri başarılı bir biçimde hazırlandı. Co içeriğinin SnO2’nin termal ve morfolojik özellikleri üzerine etkileri araştırıldı. Co ilavesiyle Kristal büyüklüğünde ve birim hücre parametrelerinde değişimler tespit edildi. Co ilavesiyle faz bileşimi değişmedi. Hem X-ışını kırınımı hem de Fourier dönüşümlü kızılötesi sonuçları her bir numune için SnO2 fazının oluşumunu doğruladı. Üretilen numunelerin oda sıcaklığından 900 °C’ye kadar termal kararlılığı gözlendi. Morfoloji Co içeriğinden etkilendi ve enerji dağılımlı X-ışını sonuçları SnO2 yapısı içerisine Co’ın nüfuz ettiğini doğruladı.

Synthesis and Characterization of Co-Doped SnO2 Samples

The un-doped and Co-doped SnO2 samples having high crystallinity were successfully prepared. The effects of Co content on the structural, thermal and morphological properties of SnO2 were investigated. Changes in the crystallite size and unit cell parameters were detected with adding of Co. The phase composition did not alter with the addition of Co. Both X-ray diffraction and Fourier transform infrared results confirmed the formation of the SnO2 structure for each sample. The thermal stability of the as-produced samples from room temperature to 900 °C was observed. The morphology was affected by Co content, and energy dispersive X-ray results verified the introduction of Co into the SnO2 structure.

Keywords:

Crystal structure, Electron microscopy, IR, X-ray diffraction,

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