Structural, Optical and Electrical Characterization of Mo Doped In2O3 Thin Films Prepared via Sol-Gel Spin Coating Technique

The optically transparent conducting molybdenum doped indium oxide (IMO) thin films were deposited on glass substrates by sol-gel spin coating technique. The effect of various molybdenum contents in the range of 0.25–1 at.% on the structural, morphological, optical and electrical properties was studied. XRD results confirmed the formation of cubic bixbyite structure of In2O3 with preferred orientation along (222) plane. Microstructural studies show nearly spherical morphology for thin films with size in the range of 20-40 nm. The films doped with 0.25 at.% Mo found to exhibit a minimum electrical resistivity of 188×10-3 Ω.cm and an average optical transmittance of more than 80% in the visible region with a band gap of 3.85 eV.

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Spectroscopic, microscopic, and electrical characterization of nanostructured SnO2:Co thin films prepared by sol–gel spin coating technique

Materials Research Bulletin ◽

10.1016/j.materresbull.2012.12.069 ◽

2013 ◽

Vol 48 (4) ◽

pp. 1468-1476 ◽

Cited By ~ 41

Author(s):

J. Mazloom ◽

F.E. Ghodsi

Keyword(s):

Thin Films ◽

Spin Coating ◽

Sol Gel ◽

Electrical Characterization ◽

Spin Coating Technique ◽

Coating Technique

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Effect of iron doping on structural and optical properties of TiO2 thin film by sol–gel routed spin coating technique

Journal of Advanced Dielectrics ◽

10.1142/s2010135x17500242 ◽

2017 ◽

Vol 07 (04) ◽

pp. 1750024 ◽

Cited By ~ 3

Author(s):

Stephen Lourduraj ◽

Rayar Victor Williams

Keyword(s):

Thin Film ◽

Thin Films ◽

Optical Properties ◽

Spin Coating ◽

Sol Gel ◽

Visible Region ◽

Spin Coating Technique ◽

Optical Measurements ◽

Structural And Optical Properties ◽

Coating Technique

Thin films of iron (Fe)-doped titanium dioxide (Fe:TiO[Formula: see text] were prepared by sol–gel spin coating technique and further calcined at 450[Formula: see text]C. The structural and optical properties of Fe-doped TiO2 thin films were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), ultraviolet–visible spectroscopy (UV–vis) and atomic force microscopic (AFM) techniques. The XRD results confirm the nanostructured TiO2 thin films having crystalline nature with anatase phase. The characterization results show that the calcined thin films having high crystallinity and the effect of iron substitution lead to decreased crystallinity. The SEM investigations of Fe-doped TiO2 films also gave evidence that the films were continuous spherical shaped particles with a nanometric range of grain size and film was porous in nature. AFM analysis establishes that the uniformity of the TiO2 thin film with average roughness values. The optical measurements show that the films having high transparency in the visible region and the optical band gap energy of Fe-doped TiO2 film with iron (Fe) decrease with increase in iron content. These important requirements for the Fe:TiO2 films are to be used as window layers in solar cells.

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