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Bharti, Meetu; Bohra, A.K.; Singh, A.; Samanta, S.; Debnath, A.K.; Muthe, K.P.; Aswal, D.K., E-mail: meetubharti@yahoo.com, E-mail: asb_barc@yahoo.com
Proceedings of the seventeenth international conference on thin films: abstracts2017
Proceedings of the seventeenth international conference on thin films: abstracts2017
AbstractAbstract
[en] Thermoelectric power generators (TEGs) converting thermal gradient of surroundings into useful electrical energy can really serve to fulfil the growing energy demands. Conventional TEG essentially requires p-and n-type thermoelements alternately connected electrically in series and thermally in parallel. Recently, conducting polymers have also exhibited their potential as thermoelectric materials. However, their use as a TEG is restricted due to non-availability of a stable n-type polymer. Though people have reported organic TEGs by connecting p-type thermoelements only but it lowers the device efficiency as heat is to be transferred from cold end of a thermo element to the hot end of the next element. Therefore, the present study makes an attempt to unite a p-type organic PEDOT:PSS film with a n-type inorganic Bi2Se3 film (both of which were deposited on flexible polyimide sheets) to investigate the scope of hybrid TEGs for near room-temperature thermoelectric applications. The maximum output voltage ∼2.5 mV and current ∼1.7 μA observed at the matched load resistance of 1.5 kΩ manifests that organicinorganic films can be clubbed together to develop an efficient wearable TEG. To the best of our knowledge, so far TEGs have been fabricated with one type of material only i.e. either organic or inorganic. (author)
Source
CSIR-National Physical Laboratory, New Delhi (India); Indian Vacuum Society, Mumbai (India); 236 p; 2017; p. 105; ICTF-2017: 17. international conference on thin films; New Delhi (India); 13-17 Nov 2017
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