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Abstract Donor doped SrTiO3 based perovskites are considered as very promising candidates for high temperature thermoelectric applications, but the figure of merit (ZT) of these n-type oxide thermoelectrics need to… Click to show full abstract
Abstract Donor doped SrTiO3 based perovskites are considered as very promising candidates for high temperature thermoelectric applications, but the figure of merit (ZT) of these n-type oxide thermoelectrics need to be enhanced for making it commercially viable. However, it is challenging to improve the transport properties of these oxides in order to achieve high ZT. Here we put forward a strategy of boosting the electron transport by inducing semiconductor to metal transition in Nb doped SrTiO3 (STN) by formation of nanocomposites with graphene oxide (GO). We could enhance electrical conductivity remarkably by gradual incorporation of GO in the matrix of STN, which changed its semiconductor (dσ/dT>0) behavior into metallic (dσ/dT
Journal Title: Applied Materials Today
Year Published: 2020
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