Modeling the response of optical and hydrophobic properties of codoped TiO2 thin films
| Autor: | Nasrollah Najibi Ilkhechi, Vahid Abbasi-Chianeh, Ahad Mohammadzadeh |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
010302 applied physics
Materials science Dopant Mathematical model business.industry Band gap 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Contact angle 0103 physical sciences Optoelectronics Response surface methodology Wetting Thin film 0210 nano-technology business Mass fraction |
| Zdroj: | Journal of the Australian Ceramic Society. 55:355-362 |
| ISSN: | 2510-1579 2510-1560 |
| DOI: | 10.1007/s41779-018-0241-0 |
| Popis: | In the current research, the effect of Cd- and Sr-codoped TiO2 thin films on bandgap and the degree of wettability were studied using a statistical method. The selected parameters were two types of different dopants, including Sr and Cd, and the weight percent of each dopant in the range of 0 to 20%. The experiments were designed using the response surface methodology in order to model and analyze the effect of selected parameters on responses. The responses included bandgap energy and contact angle. Analysis of variance was used to validate adequacy of the proposed mathematical models. The obtained mathematical models were useful not only for predicting the bandgap and contact angle with higher accuracy but also for selecting optimum dopant parameters to achieve the desired bandgap and hydrophilic properties. By using the optimized conditions resulted from the models, minimum bandgap and contact angle were calculated 2.24 eV and 3.82°, respectively, where the optimum condition of selected parameters obtained 19 and 2.50 wt% for Cd and Sr, respectively. |
| Databáze: | OpenAIRE |
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