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SM ISO690:2012 KASIYAN, Anatolie, BALMUŞ, Ion, SANDULEAC, Ionel. Possibilities to Improve the Thermoelectric Properties of n-type Organic Crystals. In: Microelectronics and Computer Science, Ed. 9, 19-21 octombrie 2017, Chisinau. Chișinău, Republica Moldova: Universitatea Tehnică a Moldovei, 2017, Ediția 9, pp. 259-262. ISBN 978-9975-4264-8-0. |
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Microelectronics and Computer Science Ediția 9, 2017 |
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Conferința "Microelectronics and Computer Science" 9, Chisinau, Moldova, 19-21 octombrie 2017 | ||||||
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Pag. 259-262 | ||||||
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Rezumat | ||||||
In the last years, organic materials attract more and more attention for thermoelectric applications as materials with more diverse properties, accessible row components and obtained by cost- effective environmentally friendly production technology. For the rmoelectric converters materials of both p - and n-type are necessary. Usually, the materials of ntype have lower values of the thermoelectric figure of merit ZT, then those of p-type. Therefore, it is important to search materials of ntype with improved thermoelectric performance. In this paper, the thermoelectric properties of ntype organic crystals of tetrathiotetracene – tetracyanoquinodimethane, TTT(TCNQ)2, are modeled and optimal parameters in order to increase ZT are determined. It is obtained that, if the carrier concentration is increased by 2.3 times with respect to stoichiometric one and the crystals are further purified, values of ZT ~ 1.2are expected, higher than reported until now in organic crystals of n-type. |
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Cuvinte-cheie organic crystals, electrical conductivity, Seebeck coefficient, thermal conductivity, thermoelectric figure of merit |
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