Development of Perovskite-Type Materials for Thermoelectric Application

Area of Science:

• Materials Science
• Solid State Physics

Background:

• Oxide perovskites are investigated for thermoelectric applications due to their eco-friendliness and abundance.
• Current oxide perovskites exhibit poor thermoelectric performance owing to low electrical and high thermal conductivity.
• Hybrid perovskites show promise for thermoelectric applications, offering low thermal conductivity and high Seebeck coefficients.

Purpose of the Study:

• To review thermoelectric properties of oxide and hybrid halide perovskites.
• To bridge research between these two perovskite types.
• To identify strategies for enhancing thermoelectric performance in perovskite materials.

Main Methods:

• Literature review of thermoelectric oxide and hybrid halide perovskites.
• Analysis of methods used to enhance thermoelectric properties, including doping and defect engineering.
• Comparison of performance metrics between oxide and hybrid perovskite systems.

Main Results:

• Oxide perovskites face challenges in electrical and thermal conductivity for effective thermoelectric applications.
• Hybrid perovskites demonstrate advantageous low thermal conductivity and high Seebeck coefficients.
• Various strategies like doping and defect engineering are employed to improve thermoelectric performance.

Conclusions:

• Hybrid perovskites are promising for thermoelectric applications, particularly for wearable energy generators and cooling devices.
• Further research is needed to bridge the understanding between oxide and hybrid perovskites.
• Enhancing thermoelectric performance of perovskite-type materials is crucial for future energy solutions.