Abstract
Metal chalcogenide materials are current mainstream thermoelectric materials with high conversion efficiency. This review provides an overview of the scalable solution-based methods for controllable synthesis of various nanostructured and thin-film metal chalcogenides, as well as their properties for thermoelectric applications. Furthermore, the state-of-art ink-based processing method for fabrication of thermoelectric generators based on metal chalcogenides is briefly introduced. Finally, the perspective on this field with regard to material production and device development is also commented upon.
Highlights
Given the current global energy crisis and environmental issues, the exploitation of green and sustainable resources, such as wind, solar, geothermal, and biomass resources, for energy generation is being extensively developed all over the world
We mainly focus or thin-film metal chalcogenide materials as well as their thermoelectric applications reported on the environmentally benign such materials withbenign high ZT
Since the properties of inorganic semiconductors largely depend on their size, shape, and crystallinity, the highly controllable hydrothermal/solvothermal method has exhibited extraordinary advantages in the synthesis of inorganic semiconducting nanostructures due to simple manipulation, high yield, low energy consumption, good crystallinity, homogeneity, and narrow size distribution
Summary
Given the current global energy crisis and environmental issues, the exploitation of green and sustainable resources, such as wind, solar, geothermal, and biomass resources, for energy generation is being extensively developed all over the world. In this context, thermoelectric materials that can directly convert waste heat into electricity have attracted tremendous research interest over the past decades [1,2,3,4]. The functional properties metal chalcogenides canfunctional be readily engineered through nanotechnology and chemicalof doping.
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