SPIN COATED ITO FILMS PREPARED WITH A SOLUTION OF METHANOL: N-PROPYL ALCOHOL (1:1)
A sol-gel method for the synthesis of Indium Tin Oxide films on glass substrate and their structural, electrical and optical characterization is presented in this paper. ITO films were deposited at room temperature by spin coating technique using a solution of ITO nano-powder in methanol (CH3OH) n-p...
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| Format: | Article |
| Language: | English |
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Politehnium Publishing House
2020-03-01
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| Series: | European Journal of Materials Science and Engineering |
| Subjects: | |
| Online Access: | http://ejmse.tuiasi.ro/articles/EJMSE_05_01_04_Yeasmin.pdf |
| _version_ | 1818265642816503808 |
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| author | Rubaya YEASMIN Sangita Rani BASU Sinthia Shabnam MOU |
| author_facet | Rubaya YEASMIN Sangita Rani BASU Sinthia Shabnam MOU |
| author_sort | Rubaya YEASMIN |
| collection | DOAJ |
| description | A sol-gel method for the synthesis of Indium Tin Oxide films on glass substrate and their structural, electrical and optical characterization is presented in this paper. ITO films were deposited at room temperature by spin coating technique using a solution of ITO nano-powder in methanol (CH3OH) n-propyl alcohol (CH3(CH2)2OH) (1:1) solution. The surface morphology of the films was investigated by Fluoroscence Microscope (FM) and the surface smoothness of the films improved after annealing. The electrical resistivity of the films was measured using Van Der Pauw method and the resistivity is found in 10-1 Ω.cm range. The conductivity as well as smoothness of the films was increased with increasing number of layers and heat treatment. Optical transmittance and absorbance of the films were measured by Ultra Violet (UV) spectrophotometer in the wavelength range of 300nm - 800nm. In the visible and infrared range, the films exhibit low absorbance and high optical transmittance. The direct optical band gap (Eg) of the films was calculated using absorption coefficient (α) and the values of Eg is found in the range 3.5 ~ 3.7 eV. The optical band gap is slightly increased after annealing for lower thickness samples due to increased carrier concentration. |
| first_indexed | 2024-12-12T19:54:03Z |
| format | Article |
| id | doaj.art-8d407b90ca5e42a69fef207024f35ea5 |
| institution | Directory Open Access Journal |
| issn | 2537-4338 2537-4346 |
| language | English |
| last_indexed | 2024-12-12T19:54:03Z |
| publishDate | 2020-03-01 |
| publisher | Politehnium Publishing House |
| record_format | Article |
| series | European Journal of Materials Science and Engineering |
| spelling | doaj.art-8d407b90ca5e42a69fef207024f35ea52022-12-22T00:13:55ZengPolitehnium Publishing HouseEuropean Journal of Materials Science and Engineering2537-43382537-43462020-03-0151233110.36868/ejmse.2020.05.01.023SPIN COATED ITO FILMS PREPARED WITH A SOLUTION OF METHANOL: N-PROPYL ALCOHOL (1:1)Rubaya YEASMIN0Sangita Rani BASU1Sinthia Shabnam MOU2Department of Electrical and Electronic Engineering, University of Rajshahi, Rajshahi-6205, Bangladesh.Department of Electrical and Electronic Engineering, University of Rajshahi, Rajshahi-6205, Bangladesh.Department of Electrical and Electronic Engineering, University of Rajshahi, Rajshahi-6205, Bangladesh.A sol-gel method for the synthesis of Indium Tin Oxide films on glass substrate and their structural, electrical and optical characterization is presented in this paper. ITO films were deposited at room temperature by spin coating technique using a solution of ITO nano-powder in methanol (CH3OH) n-propyl alcohol (CH3(CH2)2OH) (1:1) solution. The surface morphology of the films was investigated by Fluoroscence Microscope (FM) and the surface smoothness of the films improved after annealing. The electrical resistivity of the films was measured using Van Der Pauw method and the resistivity is found in 10-1 Ω.cm range. The conductivity as well as smoothness of the films was increased with increasing number of layers and heat treatment. Optical transmittance and absorbance of the films were measured by Ultra Violet (UV) spectrophotometer in the wavelength range of 300nm - 800nm. In the visible and infrared range, the films exhibit low absorbance and high optical transmittance. The direct optical band gap (Eg) of the films was calculated using absorption coefficient (α) and the values of Eg is found in the range 3.5 ~ 3.7 eV. The optical band gap is slightly increased after annealing for lower thickness samples due to increased carrier concentration.http://ejmse.tuiasi.ro/articles/EJMSE_05_01_04_Yeasmin.pdfitospin coatingtcosol-gelsolar cellband gap |
| spellingShingle | Rubaya YEASMIN Sangita Rani BASU Sinthia Shabnam MOU SPIN COATED ITO FILMS PREPARED WITH A SOLUTION OF METHANOL: N-PROPYL ALCOHOL (1:1) European Journal of Materials Science and Engineering ito spin coating tco sol-gel solar cell band gap |
| title | SPIN COATED ITO FILMS PREPARED WITH A SOLUTION OF METHANOL: N-PROPYL ALCOHOL (1:1) |
| title_full | SPIN COATED ITO FILMS PREPARED WITH A SOLUTION OF METHANOL: N-PROPYL ALCOHOL (1:1) |
| title_fullStr | SPIN COATED ITO FILMS PREPARED WITH A SOLUTION OF METHANOL: N-PROPYL ALCOHOL (1:1) |
| title_full_unstemmed | SPIN COATED ITO FILMS PREPARED WITH A SOLUTION OF METHANOL: N-PROPYL ALCOHOL (1:1) |
| title_short | SPIN COATED ITO FILMS PREPARED WITH A SOLUTION OF METHANOL: N-PROPYL ALCOHOL (1:1) |
| title_sort | spin coated ito films prepared with a solution of methanol n propyl alcohol 1 1 |
| topic | ito spin coating tco sol-gel solar cell band gap |
| url | http://ejmse.tuiasi.ro/articles/EJMSE_05_01_04_Yeasmin.pdf |
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