Low-Cost and Sustainable Organic Thermoelectrics Based on Low-Dimensional Molecular Metals.

Huewe, Florian; Steeger, Alexander; Kostova, Kalina; Burroughs, Laurence; Bauer, Irene; Strohriegl, Peter; Dimitrov, Vladimir; Woodward, Simon et al. · Adv Mater · 2017

basic_science · Level V

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Abstract

Thermoelectric generator composed of crystalline radical ion salts: The unipolar charge transport along the molecular stacks facilitates complementary p- and n-type organic thermoelectric materials of high electrical conductivity and of 1D electronic structure. The specific power output of 5 mW cm<sup>-2</sup> and the zT > 0.15 below 40 K demonstrate a new field of low-temperature thermoelectric applications unlocked by organic metals.