Sökning: "thermoelectric effects"
Visar resultat 1 - 5 av 26 avhandlingar innehållade orden thermoelectric effects.
1. Thermoelectric- and hot-electron effects in graphene devices
Sammanfattning : A technology of encapsulation of graphene in Parylene was introducedas an alternative to encapsulating graphene in hBN. Edge contacts to theencapsulated graphene in this case showed resistivity down to 14 Ohm um,which is the lowest reported value so far. LÄS MER
2. Thermoelectric experiments on nanowire-based quantum dots
Sammanfattning : This thesis experimentally investigates the possibilities of using quantum effects in semiconductor nanostructures for engineering their thermoelectric properties. More specifically, heterostructured InAs/InP nanowires are used to create short InAs quantum dots (QDs) with electronic state structure resembling that found in atoms. LÄS MER
3. Thermoelectric polymer-cellulose composite aerogels
Sammanfattning : Thermoelectric materials are scrutinized as energy materials and sensing materials. Indeed, they convert thermal energy into electrical energy. In addition, those materials are actively sensitive to a temperature modification through the generation of an electric signal. LÄS MER
4. Thermoelectric Phenomena in Quantum Dots
Sammanfattning : Thermoelectricity is being intensively researched as it is believed to hold great promise for applications in power generation and cooling. One way to quantify the electrical power output of a thermoelectric material is the power factor, a function of electrical conductivity and thermopower. LÄS MER
5. Nanostructured Bulk Thermoelectrics : Scalable Fabrication Routes, Processing and Evaluation
Sammanfattning : Current fossil fuel based energy sources have a huge shortcoming when one discusses their efficiency. The conversion efficiency of fossil fuel-based technologies is less than 40% in best cases. LÄS MER