ABSTRACT
In this chapter, design of materials and devices for low-power generation technologies based on thermoelectric effect i.e. photo-thermoelectric and thermo-chemical are introduced. Thermoelectric properties of quasi-one dimensional crystals of tet-racyanoquinodimethane complexes such as tetracyanoquinodimethane-triethylam-monium and tetracyanoquinodimethane-cesium, two-dimensional nanostructures of SrTiO3, two-dimensional layered materials of graphene, hexagonal Boron nitride (hBN), phosphorene, transition metal dichalcogenides (e.g., MoS2, WS2 etc.), metal oxides (e.g., MoO3) and composites of Carbon Nano-tubes (CNT) with silicone and polymer adhesives are discussed. Properties of photo-thermoelectric cells based on n-Si and p-Si single crystal strips, Cu/Orange dye aqueous solution consisting of flexible polymer tube casing and Cu electrodes as well as photo-thermoelectrochemical cells consisted of n-type InP/aqueous solution of orange dye/carbon cell and n-InAs orange dye/Zn are also being presented. It is concluded that these devices are environmental friendly, relatively easy to be recycled and can be used for low power applications.
