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IJSTR >> Volume 9 - Issue 8, August 2020 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Effect Of Fe Addition On Zno Thin Films For Photodegradation Under UV And Halogens Light

[Full Text]

 

AUTHOR(S)

Heri Sutanto, Ilham Alkian, Vitalis Janu Pramunditya, Mukholit, Eko Hidayanto, Inten Rafika Duri, and Priyono

 

KEYWORDS

Contact angle, halogen light, photodegradation, sol-gel method, spray coating, thin film, ZnO:Fe

 

ABSTRACT

ZnO:Fe thin film has been successfully deposited on subtracted glass using sol-gel method with spray-coating technique. This study aims to degrade rhodamine B using ZnO with addition of 2, 4, 6, 8, and 10 wt.% solution of Fe. Optical properties characterization showed the highest transmittance of ZnO:Fe 4% (96.8%) while the lowest transmittance of ZnO:Fe 2% (53.5%). The highest absorbance is performed by ZnO:Fe 2% (0.271) and the lowest absorbance by ZnO:Fe 4% (0.014). Calculation of magnitude thin film energy band gap shows values of 3.24; 3.29; 3.27; 3.25; and 3.24 eV. Results of contact angle testing using contact angle meter showed the greatest contact angle by thin-film ZnO:Fe 2% (62.52o) with the smallest contact angle by ZnO:Fe 4% (50.66o). In UV light irradiation, the highest degradation efficiency is produced by ZnO:Fe 4% thin film of 86.14% and the lowest efficiency is produced by ZnO:Fe 2% thin film of 81.37%. In the irradiation using halogen light, the highest degradation efficiency was produced by ZnO:Fe 2% film by 68.70%, while the lowest degradation efficiency was produced by ZnO:Fe 4% film (58,87%).

 

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