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Tuning of the Seebeck Coefficient and the Electrical and Thermal Conductivity of Hybrid Materials Based on Polypyrrole and Bismuth Nanowires
Author(s) -
Hnida Katarzyna E.,
Pilarczyk Kacper,
Knutelski Marcin,
Marzec Mateusz,
Gajewska Marta,
Kosonowski Artur,
Chlebda Damian,
Lis Bartłomiej,
Przybylski Marek
Publication year - 2018
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.201800127
Subject(s) - polypyrrole , seebeck coefficient , bismuth , nanowire , materials science , thermoelectric materials , electrical resistivity and conductivity , thermal conductivity , thermoelectric effect , nanotechnology , bismuth telluride , chemical engineering , composite material , polymer , thermodynamics , metallurgy , physics , engineering , electrical engineering , polymerization
The growing demand for clean energy catalyzes the development of new devices capable of generating electricity from renewable energy resources. One of the possible approaches focuses on the use of thermoelectric materials (TE), which may utilize waste heat, water, and solar thermal energy to generate electrical power. An improvement of the performance of such devices may be achieved through the development of composites made of an organic matrix filled with nanostructured thermoelectric materials working in a synergetic way. The first step towards such designs requires a better understanding of the fundamental interactions between available materials. In this paper, this matter is investigated and the questions regarding the change of electrical and thermal properties of nanocomposites based on low‐conductive polypyrrole enriched with bismuth nanowires of well‐defined geometry and morphology is answered. It is clearly demonstrated that the electrical conductivity and the Seebeck coefficient may be tuned either simultaneously or separately within particular Bi NWs content ranges, and that both parameters may be increased at the same time.