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Title: | Deeper Understanding of Interstitial Boron-Doped Anatase Thin Films as A Multifunctional Layer Through Theory and Experiment | Authors: | Quesada Cabrera, Raúl | UNESCO Clasification: | 2307 Química física | Issue Date: | 2018 | Journal: | Journal of Physical Chemistry C | Abstract: | Thin films of interstitial boron-doped anatase TiO2, with varying B concentrations, were deposited via one-step atmospheric pressure chemical vapor deposition (APCVD) on float glass substrates. The doped films showed a remarkable morphology and enhanced photoactivity when compared to their undoped analogues. The TiO2:B films also presented enhanced conductivity and electron mobility as measured by a Hall effect probe as well as a high adherence to the substrate, stability and extended lifetime. The structure and composition of the different samples of TiO2:B films were studied by X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM), and dynamic secondary ion mass spectrometry (D-SIMS). Hybrid density functional theory was used to explore the defect chemistry of B-doped anatase and to understand the experimental results. | URI: | http://hdl.handle.net/10553/107986 | ISSN: | 1932-7447 | DOI: | 10.1021/acs.jpcc.7b11142 | Source: | Journal Of Physical Chemistry C [ISSN 1932-7447], v. 122, p. 714-726 |
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