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The aim of the investigation is to attempt to build-up a p-n junction by means of utilizing conventional thermoelectric materials, i.e. bulk polycrystalline p-type Bi0.45Sb1.55Te3 and n-type Bi1.6Sb0.4Te3. The fabrication used a rapid and ordinary sintering procedure. The current-voltage (I-V) characteristic curves are measured for several heating times and temperatures. The results show the feasibility...
In this study, we fabricated in-plane thermoelectric micro-generators (4 mm times 4 mm) based on bismuth telluride thin films by using flash evaporation method. The thermoelectric properties of as-grown thin films are lower than those of bulk materials. Therefore the as-grown thin films were annealed in hydrogen at atmospheric pressure for 1 hour in a temperature range of 200 degC. to 400degC. By...
The present work is focus on thermoelectric materials synthesized by economical technique and less production time for low-cost thermoelectric module fabrication. BixSb2-xTe3 polycrystalline with x = 1.6 for n-type and x = 0.45 for p-type thermoelectric materials were synthesized using two different methods, hot pressing and cold pressing process. The thermoelectric properties were measured at room...
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