Sains Malaysiana 42(7)(2013): 961–966

 

High Transparency Iron Doped Indium Oxide (In2—xFexO3, x = 0.0, 0.05,

0.25, 0.35 and 0.45) Films Prepared by the Sol-gel Method

(Filem Indium Oksida Terdop Ferum (In2-xFexO3, x = 0.0, 0.05, 0.25, 0.35 dan 0.45)

Berlutsinar Tinggi yang Disediakan dengan Kaedah Sol Gel)

 

N.B. Ibrahim*, H. Baqiah& M.H. Abdullah

School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia

43600 Bangi, Selangor, D.E. Malaysia

 

Received: 14 May 2012/Accepted: 27 November 2012

 

ABSTRACT

High quality indium oxide and iron doped indium oxide nanocrystalline films were prepared by the sol-gel method followed by a spin coating technique. The samples were characterized by an X-ray diffractometer, an atomic force microscopy and a UV-vis spectroscopy. All samples had good crystallinity with a preferred orientation in the (222) direction. The crystallite size increased from 12.1 nm for the pure sample to 16.1 nm for the sample with x=0.35 and then decreased to 12.1 nm for the sample with x=0.45. All samples contained nanometer grain sizes with a smooth surface. All films showed a high transmission of over 91% in the wavelength range of 200-800 nm.

 

Keywords: Crystallization; indium oxide; transmission

 

ABSTRAK

 

Filem nanohablur indium oksida dan indium oksida terdop ferum berkualiti tinggi telah disediakan dengan kaedah sol-gel diikuti dengan teknik salutan berputar. Sampel dicirikan dengan meter pembelauan sinar-X, mikroskop daya atom dan spektroskopi sinar nampak – UV. Kesemua sampel mempunyai penghabluran yang baik dengan orientasi pada arah (222). Saiz hablur meningkat daripada 12 nm untuk sampel tulen ke 16.1 nm untuk sampel x=0.35 dan berkurangan kepada 12.1 untuk sampel x=0.45. Kesemua sampel mengandungi butiran bersaiz nanometer dan permukaan yang rata. Kesemua sampel menunjukkan transmisi yang tinggi melebihi 91% dalam julat panjang gelombang 200 - 800 nm.

 

Kata kunci: Indium oksida; penghabluran; transmisi

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*Corresponding author; email: baayah@ukm.my

 

 

 

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