Effect of Bi dopant on morphological and optical properties of ZnO semiconductor films produced by the sol-gel spin coating process
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Tülay Yıldız
Tülay Yıldız was born in 1968 in Elazig. She completed her undergraduate studies at Firat University, Faculty of Engineering, Department of Mechanical Engineering in 1989. She completed her MSc at Firat University in the Metallurgy Education Department in 1994. She received her Ph.D. at Fırat University, Department of Metallurgy Education, in 1998. She has been an Associate Professor at the same university since 2015. Her research interests are manufacturing metallurgy, materials science, composite materials, powder metallurgy, surface modification.
Nida Kati, born 1988, completed her Undergraduate Degree at Elazig Firat University Technical Education Faculty in 2009. She completed her Ph.D. in the Department of Metallurgy at Firat University in 2014. She has been an Associate Professor at the same university since 2019. Her research interests are diffusion welding, solid-state welding, materials science, composite materials, powder metallurgy, surface modification, and nanomaterials.
and
Kadriye Yalçın
Kadriye Yalçin was born in 1994 in Adana. She completed her Undergraduate Education at Fırat University Technology Faculty Metallurgy and Materials Engineering in 2017. She graduated from Fırat University, Institute of Science, Metallurgy and Materials Engineering Technologies Program in 2019.
Abstract
In this study, undoped semiconductor ZnO thin film and Bi-doped ZnO thin films were produced using the sol-gel spin coating method. By changing each parameter of the spin coating method, the best conditions for the formation of the film were determined via the trial and error method. When the appropriate parameter was found, the specified parameter was applied for each film. The structural, superficial, and optical properties of the films produced were characterized via atomic force microscope (AFM), UV-visible spectroscopy, and Fourier transform infrared (FTIR), and the effects of Bi dopant on these properties were investigated. When the morphological properties of the undoped and Bi-doped ZnO films were examined, it was observed that they had a structure in a micro-fiber shape consisting of nanoparticles. When the surface roughness was examined, it was observed that the surface roughness values became larger as the rate of Bi dopant increased. By examining the optical properties of the films, it was determined that they were direct band transition materials and Bi-doped thin films were involved in the semiconductor range. In addition, optical properties changed positively with Bi dopant. Since Bi-doped ZnO thin film has a wide bandgap and good optical properties, it is a material that can be used in optoelectronic applications.
About the authors
Tülay Yıldız was born in 1968 in Elazig. She completed her undergraduate studies at Firat University, Faculty of Engineering, Department of Mechanical Engineering in 1989. She completed her MSc at Firat University in the Metallurgy Education Department in 1994. She received her Ph.D. at Fırat University, Department of Metallurgy Education, in 1998. She has been an Associate Professor at the same university since 2015. Her research interests are manufacturing metallurgy, materials science, composite materials, powder metallurgy, surface modification.
Nida Kati, born 1988, completed her Undergraduate Degree at Elazig Firat University Technical Education Faculty in 2009. She completed her Ph.D. in the Department of Metallurgy at Firat University in 2014. She has been an Associate Professor at the same university since 2019. Her research interests are diffusion welding, solid-state welding, materials science, composite materials, powder metallurgy, surface modification, and nanomaterials.
Kadriye Yalçin was born in 1994 in Adana. She completed her Undergraduate Education at Fırat University Technology Faculty Metallurgy and Materials Engineering in 2017. She graduated from Fırat University, Institute of Science, Metallurgy and Materials Engineering Technologies Program in 2019.
Acknowledgement
This study was supported by the Fırat University Scientific Research Projects Unit (Project No: TEKF.18.26).
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Articles in the same Issue
- Frontmatter
- Materialography
- Long term heating effects at 1173 K and 1273 K on microstructural rejuvenation in various modified alloys based on GTD-111
- Mechanical testing
- Effect of tempering temperature on impact energy of AISI 410 martensitic stainless steel at low temperatures
- Fatigue testing
- Evaluation of S-N curves including failure probabilities using short-time procedures
- Statistical evaluation of fatigue tests using maximum likelihood
- Materials testing for joining and additive manufacturing applications
- Microstructure and mechanical properties of 6082-T6 aluminum alloy–zinc coated steel braze-welded joints
- Mechanical testing/Numerical simulations
- Evaluation of chilled casting and extrusion-shear forming technology based on numerical simulation and experiments
- Materials testing for welding and additive manufacturing applications
- Effects of laser and GMA hybrid welding parameters on shape, residual stress and deformation of HSLA steel welds
- Analysis of physical and chemical properties
- Vibration damping capacity of deep cryogenic treated AISI 4140 steel shaft supported by rolling element bearings
- Component-oriented testing and simulation
- Optimal design and experimental investigation of teeth connection joint on a filament wound composite transmission shaft
- Mechanical testing
- Mitigation of heat treatment distortion of AA 7075 aluminum alloy by deep cryogenic processing using the Navy C-ring test
- Production and desin-oriented testing
- Optimal design of differential mount using nature-inspired optimization methods
- Fatigue testing
- Fatigue Life and Stress Analysis of the Crankshaft of a Single Cylinder Diesel Engine under Variable Forces and Speeds
- Analysis of physical and chemical properties
- Effect of Bi dopant on morphological and optical properties of ZnO semiconductor films produced by the sol-gel spin coating process
- Mechanical Testing
- Husking and mechanical properties of ISAF N231/SAF N110 carbon black filled XNBR-ENR blend rubber compound for rice husk removal applications
