Niobium pentoxide hollow nanospheres with enhanced visible light photocatalytic activity
Article
Article Title | Niobium pentoxide hollow nanospheres with enhanced visible light photocatalytic activity |
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ERA Journal ID | 201058 |
Article Category | Article |
Authors | Li, Lihong (Author), Deng, Jinxia (Author), Yu, Ranbo (Author), Chen, Jun (Author), Wang, Zheng (Author) and Xing, Xianran (Author) |
Journal Title | Journal of Materials Chemistry A |
Journal Citation | 1 (38), pp. 11894-11900 |
Number of Pages | 7 |
Year | 2013 |
Publisher | The Royal Society of Chemistry |
Place of Publication | United Kingdom |
ISSN | 2050-7488 |
2050-7496 | |
Digital Object Identifier (DOI) | https://doi.org/10.1039/c3ta12599h |
Web Address (URL) | http://pubs.rsc.org/en/content/articlelanding/2013/ta/c3ta12599h#!divAbstract |
Abstract | Herein, we developed a simple template-free synthetic method for producing niobium pentoxide (Nb2O5) hollow nanospheres, and fabricated KNbO3 hollow nanospheres which retained the morphology of the template Nb2O5 hollow nanospheres by the molten salt method. The formation of Nb2O5 hollow nanospheres was via Ostwald ripening, and the structural evolution between niobium oxide and niobates was a kind of self-sacrificing templated process. These Nb 2O5 hollow nanospheres with high surface energy (001) planes showed high thermal stability and large surface area. Furthermore, they not only showed strong intensity of blue emission, but they were also able to efficiently split water under visible light irradiation, and show potential for application as sensors, optoelectronic devices and promising photocatalysts for water splitting under visible light. Due to the high thermal stability of Nb2O5 hollow nanospheres and the simplicity of the protocol, we anticipate that this work will enrich the hollow nanostructures of inorganic compounds and provide a new strategy to synthesize hollow nanospheres of niobates and other kinds of materials. |
Keywords | high surface energy; high thermal stability; hollow nanostructures; lLarge surface area; molten salt method; structural evolution; visible light photocatalytic activity; vVisible-light irradiation; solid state physics; inorganic compounds; chemical agents and basic industrial chemicals; nanotechnology; optical communication equipment; thermodynamics |
ANZSRC Field of Research 2020 | 400999. Electronics, sensors and digital hardware not elsewhere classified |
340399. Macromolecular and materials chemistry not elsewhere classified | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | University of Science and Technology Beijing, China |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q4279/niobium-pentoxide-hollow-nanospheres-with-enhanced-visible-light-photocatalytic-activity
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