Ionic thermoelectric gating organic transistors.

ABSTRACT: Temperature is one of the most important environmental stimuli to record and amplify. While traditional thermoelectric materials are attractive for temperature/heat flow sensing applications, their sensitivity is limited by their low Seebeck coefficient (?100??V?K^-1). Here we take advantage of the large ionic thermoelectric Seebeck coefficient found in polymer electrolytes (?10,000??V?K^-1) to introduce the concept of ionic thermoelectric gating a low-voltage organic transistor. The temperature sensing amplification of such ionic thermoelectric-gated devices is thousands of times superior to that of a single thermoelectric leg in traditional thermopiles. This suggests that ionic thermoelectric sensors offer a way to go beyond the limitations of traditional thermopiles and pyroelectric detectors. These findings pave the way for new infrared-gated electronic circuits with potential applications in photonics, thermography and electronic-skins.

SUBMITTER: Zhao D 

PROVIDER: S-EPMC5290323 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature