Thermoelectric properties of a single graphene sheet and its derivatives
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Royal Society of Chemistry
2015
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| Online Access: | http://dspace.unimap.edu.my:80/xmlui/handle/123456789/39295 |
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my.unimap-392952015-03-24T04:20:39Z Thermoelectric properties of a single graphene sheet and its derivatives Ali Hussain, Reshak, Prof. Dr. Saleem Ayaz, Khan Auluck, Sushil, Dr. maalidph@yahoo.co.uk sayaz_usb@yahoo.com sauluck@gmail.com Thermoelectric application Band-gap semiconductors Boltzmann transport theory Electrical conductivity Link to publisher's homepage at http://www.rsc.org/ The thermoelectric properties of pristine graphene and H2S adsorbed onto bridge, hollow and top sites of a graphene sheet are investigated using the semi-classical Boltzmann transport theory. The average values of electrical conductivity, thermal conductivity, Seebeck coefficient, figure of merit (ZT) and the average value of the power factor (Pav) are reported and discussed in detail. While pristine graphene is a zero band gap semiconductor, adsorption of H2S onto the bridge site opens up a direct energy gap of about 0.04 eV, adsorption of a H2S molecule onto the top site opens up a gap of 0.3 eV, and adsorption of H2S onto the hollow site makes it metallic. The investigation of ZT and power factor values suggests that a top-site configuration could be a potential candidate for thermoelectric applications in the range 300-600 K. 2015-03-24T04:20:39Z 2015-03-24T04:20:39Z 2014-04 Book Journal of Materials Chemistry C, vol.2(13), 2014, pages 2346-2352 2050-7534 http://dspace.unimap.edu.my:80/xmlui/handle/123456789/39295 http://pubs.rsc.org/en/Content/ArticleLanding/2014/TC/c3tc32260b en Royal Society of Chemistry |
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Universiti Malaysia Perlis |
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Asia |
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Malaysia |
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Universiti Malaysia Perlis |
| content_source |
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http://dspace.unimap.edu.my/ |
| language |
English |
| topic |
Thermoelectric application Band-gap semiconductors Boltzmann transport theory Electrical conductivity |
| spellingShingle |
Thermoelectric application Band-gap semiconductors Boltzmann transport theory Electrical conductivity Ali Hussain, Reshak, Prof. Dr. Saleem Ayaz, Khan Auluck, Sushil, Dr. Thermoelectric properties of a single graphene sheet and its derivatives |
| description |
Link to publisher's homepage at http://www.rsc.org/ |
| author2 |
maalidph@yahoo.co.uk |
| author_facet |
maalidph@yahoo.co.uk Ali Hussain, Reshak, Prof. Dr. Saleem Ayaz, Khan Auluck, Sushil, Dr. |
| format |
Book |
| author |
Ali Hussain, Reshak, Prof. Dr. Saleem Ayaz, Khan Auluck, Sushil, Dr. |
| author_sort |
Ali Hussain, Reshak, Prof. Dr. |
| title |
Thermoelectric properties of a single graphene sheet and its derivatives |
| title_short |
Thermoelectric properties of a single graphene sheet and its derivatives |
| title_full |
Thermoelectric properties of a single graphene sheet and its derivatives |
| title_fullStr |
Thermoelectric properties of a single graphene sheet and its derivatives |
| title_full_unstemmed |
Thermoelectric properties of a single graphene sheet and its derivatives |
| title_sort |
thermoelectric properties of a single graphene sheet and its derivatives |
| publisher |
Royal Society of Chemistry |
| publishDate |
2015 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/39295 |
| _version_ |
1643799024016293888 |