How can we make efficient portable thin thermoelectric generators to harness energy of radio isotopes by both means heat nd radiation?
For making an efficient peltier device, you need to have the material showing high power factor. The strength or ability to perform ac active cooler is mainly determine by the powerfactor. Power factor is equal to seebeck^2*electrical conductivity. In your case you want to make flexible device, so material itself should be flexible, else, other case materials should attain flexibility when developed in the form of thin film or attached with some flexible organic materials. You can join several pieces of n and p type materials, electrically in series. After applying a suitable current you can check the amount of heat absorbed or heat realsed at junction point of p and n material using the suitable temperature sensor (thermocouple). It is step by step process which will let you finally at high performance peltier device. Good luck
Saurabh but when we make things flexible the efficiency deviates from solid state to flexible
So can we change that by chemistry other than organic?
Yes, you can try to improve the thermoelectric property. This is most important. If you can do it by chemistry then it's well and good.
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