Fully Printed Organic-Inorganic Nanocomposites for Flexible Thermoelectric Applications

ACS Applied Materials & Interfaces
Canlin OuSohini Kar-Narayan

Abstract

Thermoelectric materials, capable of interconverting heat and electricity, are attractive for applications in thermal energy harvesting as a means to power wireless sensors, wearable devices, and portable electronics. However, traditional inorganic thermoelectric materials pose significant challenges due to high cost, toxicity, scarcity, and brittleness, particularly when it comes to applications requiring flexibility. Here, we investigate organic-inorganic nanocomposites that have been developed from bespoke inks which are printed via an aerosol jet printing method onto flexible substrates. For this purpose, a novel in situ aerosol mixing method has been developed to ensure uniform distribution of Bi2Te3/Sb2Te3 nanocrystals, fabricated by a scalable solvothermal synthesis method, within a poly(3,4-ethylenedioxythiophene) polystyrene sulfonate matrix. The thermoelectric properties of the resulting printed nanocomposite structures have been evaluated as a function of composition, and the power factor was found to be maximum (∼30 μW/mK2) for a nominal loading fraction of 85 wt % Sb2Te3 nanoflakes. Importantly, the printed nanocomposites were found to be stable and robust upon repeated flexing to curvatures up to 300 m-1, making t...Continue Reading

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Citations

Jun 18, 2019·Advanced Materials·Liang HuangJun Zhou
May 31, 2019·Advanced Materials·Yuan WangZhi-Gang Chen
Apr 20, 2019·Science and Technology of Advanced Materials·Ioannis PetsagkourakisTakao Mori
Dec 29, 2018·Advanced Materials·Seungki JoJae Sung Son
Apr 4, 2021·Materials·Zacharias ViskadourakisGeorge Kenanakis
Apr 24, 2019·ACS Applied Materials & Interfaces·Haining ZhangTeck Hui Ngo
Jan 19, 2019·ACS Applied Materials & Interfaces·Warittha ThongkhamPaisan Khanchaitit
Jun 25, 2020·ACS Applied Materials & Interfaces·Haifeng XuHongzhi Wang
Sep 22, 2021·ACS Applied Materials & Interfaces·Tanmoy MajiDionysios C Christodouleas
Nov 12, 2021·Chemical Society Reviews·Minxiang ZengYanliang Zhang
Dec 18, 2021·Nano-micro Letters·Yun WeiQiang Fu

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Methods Mentioned

BETA
X-ray
transmission electron microscopy

Software Mentioned

HighScore Plus
COMSOL Multiphysics

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