Issue |
MATEC Web of Conferences
Volume 13, 2014
ICPER 2014 - 4th International Conference on Production, Energy and Reliability
|
|
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Article Number | 06005 | |
Number of page(s) | 5 | |
Section | Renewable Energy | |
DOI | https://doi.org/10.1051/matecconf/20141306005 | |
Published online | 17 July 2014 |
Low Temperature Synthesis of Rare-Earth Hexaborides for Solar Energy Conversion
University of Newcastle, Callaghan NSW 2308, AUSTRALIA .
a Corresponding author: Muhammad.Hasan@uon.edu.au
Thermionic energy conversion is an ideal way of converting concentrated solar energy into electricity. Developing suitable emitter/collector materials, with optimum work functions whilst being able to withstand elevated temperatures under high vacuum conditions, is a major challenge. Rare-earth hexaborides have great potential as thermionic emitters due to their superior chemical stability and low work function values, lanthanum hexaboride (ϕ~2.60eV) and cerium hexaboride (ϕ~2.60eV). This study forms part of a series of investigations aimed at developing rare-earth hexaboride cathode materials. Methods used to synthesise, characterise and fabricate these materials are discussed together with electron emission results
© Owned by the authors, published by EDP Sciences, 2014
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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