Synthesis of TiO2 thin films by the SILAR method and study of the influence of annealing on its structural, morphological and optical properties
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Universidad de Tarapacá
2015
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| _version_ | 1876448298705879040 |
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| author | F. N. Jiménez-García |
| author_facet | F. N. Jiménez-García |
| contents | Synthesis of TiO2 thin films by the SILAR method and study of the influence of annealing on its structural, morphological and optical properties F. N. Jiménez-García B. Segura-Giraldo E. Restrepo-Parra G.A López-López Ingeniería UV XRD SEM Vis TiO 2 Preparation and characterization of TiO 2 films were made. Films were synthesized on glass substrates by the SILAR (Successive Ionic Layer Adsorption and Reaction) method. The preparation consisted of 150 cycles of a successive and alternate immersion of substrates in the precursor solution and in distilled water at 353 K. Growing was conducted at two conditions of the precursor solution which contained TiCl 3 and NH 2 CONH 2 : at room temperature and at 343 K. After the growth, films were annealed at 723 K for 2 hours. Regarding characterization, samples were studied using XRD, SEM and UV-Vis. Structural characterization results showed that, in general, the films presented an amorphous crystalline structure except those which were grown with precursor solution at 343 K and thermally treated after the growths, which presented an anatase crystalline structure. Concerning their morphology, a granular structure and a random distribution of a flower-like structure were observed. Grain sizes did not change significantly after annealing. The optical study was carried out taking into account an indirect transition allowed determining the band gap energy to be around 3.1 eV. This value, which is typical for TiO 2 , decreases after annealing, usual for this type of films. 2015 artículo científico 0718-3291 https://www.redalyc.org/articulo.oa?id=77242864012 en http://www.redalyc.org/revista.oa?id=772 Ingeniare. Revista Chilena de Ingeniería application/pdf Universidad de Tarapacá Ingeniare. Revista Chilena de Ingeniería (Chile) Num.4 Vol.23 |
| format | Artículo científico |
| id | redalyc_77242864012 |
| institution | Redalyc |
| language | en |
| publishDate | 2015 |
| publisher | Universidad de Tarapacá |
| spellingShingle | Synthesis of TiO2 thin films by the SILAR method and study of the influence of annealing on its structural, morphological and optical properties F. N. Jiménez-García Ingeniería UV XRD SEM Vis TiO 2 Synthesis of TiO2 thin films by the SILAR method and study of the influence of annealing on its structural, morphological and optical properties F. N. Jiménez-García B. Segura-Giraldo E. Restrepo-Parra G.A López-López Ingeniería UV XRD SEM Vis TiO 2 Preparation and characterization of TiO 2 films were made. Films were synthesized on glass substrates by the SILAR (Successive Ionic Layer Adsorption and Reaction) method. The preparation consisted of 150 cycles of a successive and alternate immersion of substrates in the precursor solution and in distilled water at 353 K. Growing was conducted at two conditions of the precursor solution which contained TiCl 3 and NH 2 CONH 2 : at room temperature and at 343 K. After the growth, films were annealed at 723 K for 2 hours. Regarding characterization, samples were studied using XRD, SEM and UV-Vis. Structural characterization results showed that, in general, the films presented an amorphous crystalline structure except those which were grown with precursor solution at 343 K and thermally treated after the growths, which presented an anatase crystalline structure. Concerning their morphology, a granular structure and a random distribution of a flower-like structure were observed. Grain sizes did not change significantly after annealing. The optical study was carried out taking into account an indirect transition allowed determining the band gap energy to be around 3.1 eV. This value, which is typical for TiO 2 , decreases after annealing, usual for this type of films. 2015 artículo científico 0718-3291 https://www.redalyc.org/articulo.oa?id=77242864012 en http://www.redalyc.org/revista.oa?id=772 Ingeniare. Revista Chilena de Ingeniería application/pdf Universidad de Tarapacá Ingeniare. Revista Chilena de Ingeniería (Chile) Num.4 Vol.23 |
| title | Synthesis of TiO2 thin films by the SILAR method and study of the influence of annealing on its structural, morphological and optical properties |
| topic | Ingeniería UV XRD SEM Vis TiO 2 |
| url | https://www.redalyc.org/articulo.oa?id=77242864012 |