Abstract
In this work, organic CH3NH3I nano-components were successfully introduced into Sb2Te3 nanocrystal thin film via using the layer-by-layer evaporation growth method. The thermoelectric properties, including the electrical conductivity, Seebeck coefficient, thermal conductivity and the estimated figure of merit were investigated. The experimental results indicated that the introduced organic nano-components are beneficial to improving the Seebeck coefficient of the Sb2Te3 nanocrystal thin film, resulting in over 100% enhancement of figure of merit. These results prove our hypothesis that the organic hybrid can greatly enhance the thermoelectric property of the Sb2Te3 thin film based on the energy-filtering effect.
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