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Alamgir, M., Ansar, M., Shoaib, M., Murtaza, G., Ahsan Bhatti, J., Asghar, U. (2014). Tailoring the Energy Band Gap of Transition Metal Doped TiO2 Thin Film. Journal of Nanoanalysis, 1(3), 129-134. doi: 10.22034/jna.2014.03.004
M. Khalid Alamgir; M. Zaka Ansar; M. Shoaib; G. Murtaza; Javaid Ahsan Bhatti; Usman Asghar. "Tailoring the Energy Band Gap of Transition Metal Doped TiO2 Thin Film". Journal of Nanoanalysis, 1, 3, 2014, 129-134. doi: 10.22034/jna.2014.03.004
Alamgir, M., Ansar, M., Shoaib, M., Murtaza, G., Ahsan Bhatti, J., Asghar, U. (2014). 'Tailoring the Energy Band Gap of Transition Metal Doped TiO2 Thin Film', Journal of Nanoanalysis, 1(3), pp. 129-134. doi: 10.22034/jna.2014.03.004
Alamgir, M., Ansar, M., Shoaib, M., Murtaza, G., Ahsan Bhatti, J., Asghar, U. Tailoring the Energy Band Gap of Transition Metal Doped TiO2 Thin Film. Journal of Nanoanalysis, 2014; 1(3): 129-134. doi: 10.22034/jna.2014.03.004

Tailoring the Energy Band Gap of Transition Metal Doped TiO2 Thin Film

Article 4, Volume 1, Issue 3, Autumn 2014, Page 129-134  XML PDF (613.06 K)
DOI: 10.22034/jna.2014.03.004
Authors
M. Khalid Alamgir1; M. Zaka Ansar* 1; M. Shoaib2; G. Murtaza3; Javaid Ahsan Bhatti1; Usman Asghar4
1National Institute of Vacuum Science and Technology, NCP Complex, Islamabad, Pakistan
2Department of Physics Kohat University of Science and Technology, Pakistan
3Department of Physics Islamia College, University Peshawar, Pakistan
4University of the Punjab, Lahore, Pakistan
Abstract
Water splitting for hydrogen production under sunlight using TiO2 as photo catalyst provides a better route for solar energy and attracts the attention of many researchers. The photo catalytic activity of TiO2 under sunlight irradiation depends on the band gap energy. The transition metal doped TiO2 shows an edge over TiO2 in optical absorbance and photo catalytic activity. Thin film of Cr doped TiO2was deposited by Electron beam evaporation deposition process on glass substrate, the band gap of sample was measured with UV-Vis spectroscopy. In order to provide theoretical ground to our experimental band gap results the first principle (ab-initio) calculation was performed using the computer code WIEN2K with Full Potential Linearized Augmented Plane Wave method (FP-LAPW) based on the density functional theory (DFT).
Keywords
Photo-catalyst; UV-Vis spectroscopy; WIEN2K; FP-LAPW; DFT
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