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Thermoelectric Properties of Hybrid Organic-Inorganic Superlattices
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology.ORCID iD: 0000-0002-3915-300X
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology.ORCID iD: 0000-0002-1763-9383
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2012 (English)In: The Journal of Physical Chemistry C, ISSN 1932-7447, E-ISSN 1932-7455, Vol. 116, no 20, 10881-10886 p.Article in journal (Refereed) Published
Abstract [en]

We theoretically evaluate the thermoelectric transport coefficients of hybrid thiophene/SiGe superlattices and the effect of their chemical tuning via phenyl groups. Owing to the interplay between alloy scattering and phonon transmission at the molecular layers, very low thermal conductivities under 1 W/(m K) and values of ZT more than twice as large as those of bulk SiGe can be attained. These results highlight exciting possibilities of organic-inorganic hybrid systems, as compared to traditional inorganic thermoelectrics.

Place, publisher, year, edition, pages
2012. Vol. 116, no 20, 10881-10886 p.
Keyword [en]
Self-Assembled Monolayers, Molecular Junctions, Silicon, Conductance, Fabrication, Transistors, Simulation, Transport, Surfaces, Polymer
National Category
Physical Sciences Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-98005DOI: 10.1021/jp3025039ISI: 000304338500007Scopus ID: 2-s2.0-84861525586OAI: oai:DiVA.org:kth-98005DiVA: diva2:535221
Funder
Swedish e‐Science Research Center
Note

QC 20120619

Available from: 2012-06-19 Created: 2012-06-18 Last updated: 2017-12-07Bibliographically approved

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Tian, GuangjunÅgren, Hans

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