<abstract xmlns="http://www.w3.org/1999/xhtml">Titanium dioxide (TiO2) is one of the most favored metal oxide semiconductors for the use as photoanode in photoelectrochemical cells (PEC) splitting the water into hydrogen and oxygen. However, the major impediment is its large bandgap that limits its utilization as photoanode. Doping has evolved as an effective strategy for tailoring optical and electronic properties of TiO2. This paper describes the synthesis of undoped as well as iron (Fe, cationic) and nitrogen (N, anionic) doped nanocrystalline titanium dioxide by sol-gel spin coating method for solar energy absorption in the visible region. All the prepared thin films were characterized by X-ray diffraction and UV-Vis spectroscopy. Doping of both Fe and N into TiO2 resulted in a shift of absorption band edge towards the visible region of solar spectrum.</abstract>

Titanium dioxide (TiO2) is one of the most favored metal oxide semiconductors for the use as photoanode in photoelectrochemical cells (PEC) splitting the water into hydrogen and oxygen. However, the major impediment is its large bandgap that limits its utilization as photoanode. Doping has evolved as an effective strategy for tailoring optical and electronic properties of TiO2. This paper describes the synthesis of undoped as well as iron (Fe, cationic) and nitrogen (N, anionic) doped nanocrystalline titanium dioxide by sol-gel spin coating method for solar energy absorption in the visible region. All the prepared thin films were characterized by X-ray diffraction and UV-Vis spectroscopy. Doping of both Fe and N into TiO2 resulted in a shift of absorption band edge towards the visible region of solar spectrum.

Comparative study of absorption band edge tailoring by cationic and anionic doping in TiO2

Department of Physics, Institute of Basic Sciences

Dau Dayal Institute of Vocational Education

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Comparative study of absorption band edge tailoring by cationic and anionic doping in TiO

Titanium dioxide (TiO2) is one of the most favored metal oxide semiconductors for the use as photoanode in photoelectrochemical cells (PEC) splitting the water...

Comparative study of absorption band edge tailoring by cationic and anionic doping in TiO₂

Published Online: Nov 02, 2018

Page range: 435 - 438

Received: Jul 06, 2017

Accepted: May 14, 2018

DOI: https://doi.org/10.2478/msp-2018-0060

Keywords
nanocrystal, titanium dioxide, doping, iron, nitrogen, thin films

© 2018 Arpit Swarup Mathur et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Comparative study of absorption band edge tailoring by cationic and anionic doping in TiO2

Published Online: Nov 02, 2018

Page range: 435 - 438

Received: Jul 06, 2017

Accepted: May 14, 2018

DOI: https://doi.org/10.2478/msp-2018-0060

Keywordsnanocrystal, titanium dioxide, doping, iron, nitrogen, thin films

© 2018 Arpit Swarup Mathur et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Comparative study of absorption band edge tailoring by cationic and anionic doping in TiO₂

Keywords
nanocrystal, titanium dioxide, doping, iron, nitrogen, thin films