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Nanostructured nitrogen and carbon codoped TiO2 thin films: Synthesis, structural characterization and optoelectronic properties
| Content Provider | Semantic Scholar |
|---|---|
| Author | Ruzybayev, Inci |
| Copyright Year | 2014 |
| Abstract | TiO2 is widely used in applications like photocatalysis, sensors, solar cells, and memory devices because it is inexpensive, abundant, nontoxic and stable in aqueous solution. Another exciting application where TiO2 has the potential to be a very useful catalyst is the clean hydrogen generation using solar radiation. Energy consumption is increasing every year and, as a result, renewable and sustainable alternative energy sources are becoming increasingly important. Therefore, clean hydrogen generation research is becoming more and more important. It is known that water splitting to produce hydrogen is possible by using photoelectrochemical cells. Researches are focused on enhancing the efficiency of the processes that generates hydrogen and the methodologies for its storage. This study aims at the preparation and characterization of nitrogen and carbon (N-C) codoped TiO2 photoanode material that could potentially be used in photoelectrochemical cells for hydrogen generation. The solar spectrum peaks around 500 nm (2.48 eV) which is in the visible part of the spectrum. The photoanode material to be used for solar hydrogen generation should absorb visible light photons to yield high efficiency. The challenge with TiO2 is that the wide band gap (3.00–3.20 eV) absorbs only ultra-violet (UV) photons and only a small percentage of the solar spectrum is in the UV range. There are various ways to overcome the challenge of sensitizing the material to visible light absorption and this study focuses on one of the most promising ways: band modification of TiO2 by N-C codoping. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://udspace.udel.edu/bitstream/handle/19716/16820/2014_RuzybayevInci_PhD.pdf?isAllowed=y&sequence=1 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
