zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-1499Research ArticleАННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙABSTRACTS ENGLISH-LANGUAGE ARTICLESОптимизация термообработки для тонких золь-гель пленок CdS, полученных центрифугированиемOptimization of Thermal Annealing Effect on Sol-Gel Driven SpinCoated CdS Thin FilmsAggarwalR.AggarwalR.

Пенджаб

Department of Physics, 

Phagwara

KumarR.KumarR.

Пенджаб

Department of Physics, 

Phagwara

rajesh.12236@lpu.co.inУниверситет ПхагварыLovely Professional University202414022024911171171Copyright © Aggarwal R., Kumar R., 20242024Aggarwal R., Kumar R.Aggarwal R., Kumar R.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://zhps.ejournal.by/jour/article/view/1499

Проанализировано влияние термического отжига на оптические и структурные свойства тонких золь-гель пленок CdS, синтезированных методом центрифугирования при поддержании постоянного уровня pH раствора предшественника. Тонкие пленки CdS отжигались при 400, 450 и 500 °C в течение 30, 60 и 90 мин соответственно. Пропускание пленок варьировалось в пределах 60—89 % в видимой области. Ширина оптической запрещенной зоны 2.43—2.47 эВ. Результаты рентгеноструктурного и КР-анализа показывают, что кристалличность тонкой пленки CdS увеличивается с ростом температуры и времени отжига.

Semiconducting nanostructured materials are preferred for optoelectronic devices due to their variable optical and electrical properties. Cadmium sulfide (CdS) thin films, due to its direct band gap, are widely used in solar cells, photodetectors, photosensors, etc. This work analyzes the effect of thermal annealing on the optical and structural properties of CdS thin films. CdS thin films are synthesized by a sol-gel spin coating technique while maintaining a constant pH level of the precursor solution. CdS thin films were annealed at 400, 450, and 500o C for 30, 60, and 90 min, respectively. The transmittance of the films varied from 60–89% in the visible region as evident from the UV analysis. The optical band gap lay in the range of 2.43–2.47 eV. The XRD and Raman analysis results reveal that the crystallinity of the CdS thin film increased with the increasing annealing temperature and time of annealing.

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The authors declare that there are no conflicts of interest present.