Toward Stretchable Self‐Powered Sensors Based on the Thermoelectric Response of PEDOT:PSS/Polyurethane Blends | Zendy

Taroni Prospero J. | Zendy; Santagiuliana Giovanni | Zendy; Wan Kening | Zendy; Calado Philip | Zendy; Qiu Manting | Zendy; Zhang Han | Zendy; Pugno Nicola M. | Zendy; Palma Matteo | Zendy; StingelinStutzman Natalie | Zendy; Heeney Martin | Zendy; Fenwick Oliver | Zendy; Baxendale Mark | Zendy; Bilotti Emiliano | Zendy

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Toward Stretchable Self‐Powered Sensors Based on the Thermoelectric Response of PEDOT:PSS/Polyurethane Blends

Author(s) -

Taroni Prospero J.,

Santagiuliana Giovanni,

Wan Kening,

Calado Philip,

Qiu Manting,

Zhang Han,

Pugno Nicola M.,

Palma Matteo,

StingelinStutzman Natalie,

Heeney Martin,

Fenwick Oliver,

Baxendale Mark,

Bilotti Emiliano

Publication year - 2018

Publication title -

advanced functional materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 6.069

H-Index - 322

eISSN - 1616-3028

pISSN - 1616-301X

DOI - 10.1002/adfm.201704285

Subject(s) - pedot:pss , materials science , thermoplastic polyurethane , conductive polymer , thermoelectric effect , polyurethane , elastomer , polymer blend , ethylene glycol , stretchable electronics , seebeck coefficient , self healing , polymer , nanotechnology , composite material , electronics , electrical engineering , chemical engineering , thermal conductivity , medicine , physics , alternative medicine , pathology , engineering , copolymer , thermodynamics

The development of new flexible and stretchable sensors addresses the demands of upcoming application fields like internet‐of‐things, soft robotics, and health/structure monitoring. However, finding a reliable and robust power source to operate these devices, particularly in off‐the‐grid, maintenance‐free applications, still poses a great challenge. The exploitation of ubiquitous temperature gradients, as the source of energy, can become a practical solution, since the recent discovery of the outstanding thermoelectric properties of a conductive polymer, poly(3,4‐ethylenedioxythiophene)‐poly(styrenesulfonate) (PEDOT:PSS). Unfortunately the use of PEDOT:PSS is currently constrained by its brittleness and limited processability. Herein, PEDOT:PSS is blended with a commercial elastomeric polyurethane (Lycra), to obtain tough and processable self‐standing films. A remarkable strain‐at‐break of ≈700% is achieved for blends with 90 wt% Lycra, after ethylene glycol treatment, without affecting the Seebeck voltage. For the first time the viability of these novel blends as stretchable self‐powered sensors is demonstrated.

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