Please use this identifier to cite or link to this item: https://doi.org/10.1080/15533170802023544
Title: Effect of neodymium doping on the structure and optical properties of mesoporous TiO2 thin films
Authors: Zhang, Y. 
Ooi, E.
Yuwono, A.H. 
Wang, J. 
Li, J. 
Keywords: Bandgap
Mesoporous
Neodymium
Titania
Issue Date: Apr-2008
Citation: Zhang, Y., Ooi, E., Yuwono, A.H., Wang, J., Li, J. (2008-04). Effect of neodymium doping on the structure and optical properties of mesoporous TiO2 thin films. Synthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry 38 (3 PART 2) : 312-317. ScholarBank@NUS Repository. https://doi.org/10.1080/15533170802023544
Abstract: Mesoporous TiO2 thin films doped with varying amounts of neodymium have been synthesized via a copolymer templated sol-gel route. The films exhibited highly ordered mesostructures at low levels of neodymium doping, and disordered mesostructures at high dopant levels (i.e., Nd/Ti ≥ 30 mol%). As the neodymium concentration increased, the films showed degradation in the nanocrystallinity, indicating that the presence of neodymium dopants adversely affects the growth of titania nanocrystallites. Moreover, the addition of neodymium resulted in a marked blue shift of the absorption edge and an evident increase in bandgap energy for the mesoporous TiO2 thin films. Copyright © 2008 Taylor & Francis Group, LLC.
Source Title: Synthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/86873
ISSN: 15533174
DOI: 10.1080/15533170802023544
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