Ultrasonik sprey piroliz yöntemi ile SnS2 ince filmlerin basit biriktirilmesi

Abstract

Bu çalışmada SnS2 ince filmler cam alttaşlar üzerine ultrasonik sprey piroliz yöntemi (USP) ile biriktirildi. Kalay öncüsü olarak kalay (IV) klorür pentahidrat (SnCl4.5H2O) ve sülfür öncüsü olarak da tiyoüre (CH4N2S) kullanıldı. Filmlerin yapısal, morfolojik, elektriksel ve elektro-optik karakterizasyonları gerçekleştirildi. Tauc metodu yardımıyla SnS2 ince filmler için doğrudan ve dolaylı bant aralıkları sırasıyla 2.35 eV ve 2.10 eV olarak belirlendi. Sıcak prob yöntemi ile filmlerin n-tipi olduğu tespit edildi ve özdirenci 285 cm hesaplandı.

Keywords

• ultrasonik sprey piroliz
• SnS2 ince filmler
• kalay disülfür
• düşük maliyetli biriktirme yöntemi
• optik ve yapısal karakterizasyon

Facile deposition of SnS2 thin films by ultrasonic spray pyrolysis method

Abstract

In this study, SnS2 thin films were deposited onto glass substrates using the ultrasonic spray pyrolysis (USP) method. Tin (IV) chloride pentahydrate (SnCl4.5H2O) was used as the tin precursor, and thiourea (CH4N2S) as the sulfur precursor. The structural, morphological, electrical, and electro-optical characterizations of the films were performed. Using the Tauc method, the direct and indirect bant gaps of the SnS2 thin films were determined to be 2.35 eV and 2.10 eV, respectively. The films were found to be of n-type conductivity through the hot probe method, and their resistivity was calculated to be 285 Ω·cm.

Keywords

• ultrasonic spray pyrolysis
• SnS2 thin films
• tin disulfide
• low-cost deposition method
• optical and structural characterization

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