• high-temperature thermoelectric properties of compounds in the system zn x in y o x+1.5y

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
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     based on results obtained utilizing combinatorial chemistry techniques to screen the thermoelectric power factor of materials in the system zn x in y o x+1.5y , several multiphase candidates were down-selected and investigated in terms of their thermoelectric response from room temperature to 1050°c. while the screening experiments suggested that peaks in the power factor occur at relatively high indium oxide content, only the thermoelectric properties of zinc-oxide-rich homologous layered phases in the system (in2o3)(zno) k have been well documented, since the phases where k < 3 cannot be easily formed. in the present study, indium-oxide-rich materials in the system in2o3–(in2o3)(zno)3 were fabricated and their figures of merit were determined. the results suggest that the indium-oxide-rich phases have improved figures of merit, especially at elevated temperatures, relative to the best performing k phases by combining the high power factor of in2o3and the low thermal conductivity of (in2o3)(zno) k .

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