Low Temperature Synthesis of Rare-Earth Hexaborides for Solar Energy Conversion

Low Temperature Synthesis of Rare-Earth Hexaborides for Solar Energy Conversion

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 hex...

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Main Authors: Hasan Muhammad M., Sugo Heber, Kisi Erich H.
Format: Article
Language:English
Published: EDP Sciences 2014-07-01
Series:MATEC Web of Conferences
Online Access:http://dx.doi.org/10.1051/matecconf/20141306005
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spelling doaj-a7797abcc2bf4395a55ae4ff8ebbfd472021-02-02T00:44:18ZengEDP SciencesMATEC Web of Conferences2261-236X2014-07-01130600510.1051/matecconf/20141306005matecconf_icper2014_06005Low Temperature Synthesis of Rare-Earth Hexaborides for Solar Energy ConversionHasan Muhammad M.0Sugo Heber1Kisi Erich H.2University of NewcastleUniversity of NewcastleUniversity of Newcastle 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 http://dx.doi.org/10.1051/matecconf/20141306005
collection DOAJ
language English
format Article
sources DOAJ
author Hasan Muhammad M.
Sugo Heber
Kisi Erich H.
spellingShingle Hasan Muhammad M.
Sugo Heber
Kisi Erich H.
Low Temperature Synthesis of Rare-Earth Hexaborides for Solar Energy Conversion
MATEC Web of Conferences
author_facet Hasan Muhammad M.
Sugo Heber
Kisi Erich H.
author_sort Hasan Muhammad M.
title Low Temperature Synthesis of Rare-Earth Hexaborides for Solar Energy Conversion
title_short Low Temperature Synthesis of Rare-Earth Hexaborides for Solar Energy Conversion
title_full Low Temperature Synthesis of Rare-Earth Hexaborides for Solar Energy Conversion
title_fullStr Low Temperature Synthesis of Rare-Earth Hexaborides for Solar Energy Conversion
title_full_unstemmed Low Temperature Synthesis of Rare-Earth Hexaborides for Solar Energy Conversion
title_sort low temperature synthesis of rare-earth hexaborides for solar energy conversion
publisher EDP Sciences
series MATEC Web of Conferences
issn 2261-236X
publishDate 2014-07-01
description 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
url http://dx.doi.org/10.1051/matecconf/20141306005
work_keys_str_mv AT hasanmuhammadm lowtemperaturesynthesisofrareearthhexaboridesforsolarenergyconversion
AT sugoheber lowtemperaturesynthesisofrareearthhexaboridesforsolarenergyconversion
AT kisierichh lowtemperaturesynthesisofrareearthhexaboridesforsolarenergyconversion
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