Inkjet-printing Fabrication of Pedot:PSS-based Thermoelectric Modules
Constantinos Tsangarides, Hanbin Ma, Arokia Nathan
Department of Engineering, University of Cambridge, United Kingdom
E-mail:
Thermoelectrics have expanded broadly in recent years with evidence of significant research
progress. It is believed that engineering the structure of a thermoelectric module in the nano-
microscale can enhance both their Seebeck coefficient and electrical conductivity, which are
main parameters in thermoelectricity. To-date it is known that most of the thermoelectric
materials are fabricated via sintering and annealing techniques that usually require high
temperatures and pressures. In this paper, we show that we can fabricate transparent organic
modules at ambient atmosphere that display thermoelectric properties. The Pedot:PSS-based
transparent modules are fully inkjet-printed and their thermoelectric properties are being
enhanced through chemical doping and multi-layer fabrication. The captivating part of the
work reported here is the use of inorganic materials for the chemical doping without
destroying the flexibility of such a polymeric material, while maintaining transparency on.
The whole process is performed at low temperature, making it compatible for applications in
flexible large area electronics.
O 27
-66-
