Fundamental aspects of steady-state conversion of heat to work at the nanoscale
In recent years, the study of heat to work conversion has been re-invigorated by
nanotechnology. Steady-state devices do this conversion without any macroscopic moving …
nanotechnology. Steady-state devices do this conversion without any macroscopic moving …
Quantum engines and refrigerators
Engines are systems and devices that convert one form of energy into another, typically into
a more useful form that can perform work. In the classical setup, physical, chemical, and …
a more useful form that can perform work. In the classical setup, physical, chemical, and …
Thermoelectric energy harvesting with quantum dots
We review recent theoretical work on thermoelectric energy harvesting in multi-terminal
quantum-dot setups. We first discuss several examples of nanoscale heat engines based on …
quantum-dot setups. We first discuss several examples of nanoscale heat engines based on …
Three-terminal energy harvester with coupled quantum dots
Rectification of thermal fluctuations in mesoscopic conductors is the key idea behind recent
attempts to build nanoscale thermoelectric energy harvesters to convert heat into useful …
attempts to build nanoscale thermoelectric energy harvesters to convert heat into useful …
Performance of a quantum heat engine at strong reservoir coupling
We study a quantum heat engine at strong coupling between the system and the thermal
reservoirs. Exploiting a collective coordinate map**, we incorporate system-reservoir …
reservoirs. Exploiting a collective coordinate map**, we incorporate system-reservoir …
Most efficient quantum thermoelectric at finite power output
RS Whitney - Physical review letters, 2014 - APS
Machines are only Carnot efficient if they are reversible, but then their power output is
vanishingly small. Here we ask, what is the maximum efficiency of an irreversible device with …
vanishingly small. Here we ask, what is the maximum efficiency of an irreversible device with …
Performance optimization of three-terminal energy selective electron generators
SS Qiu, ZM Ding, LG Chen, YL Ge - Science China Technological …, 2021 - Springer
The energy selective electron device works among electron reservoirs with different
temperatures and chemical potentials. Electrons obey the Fermi-Dirac distribution, and with …
temperatures and chemical potentials. Electrons obey the Fermi-Dirac distribution, and with …
Experimental realization of a quantum dot energy harvester
We demonstrate experimentally an autonomous nanoscale energy harvester that utilizes the
physics of resonant tunneling quantum dots. Gate-defined quantum dots on GaAs/AlGaAs …
physics of resonant tunneling quantum dots. Gate-defined quantum dots on GaAs/AlGaAs …
Hot-carrier optoelectronic devices based on semiconductor nanowires
In optoelectronic devices such as solar cells and photodetectors, a portion of electron-hole
pairs is generated as so-called hot carriers with an excess kinetic energy that is typically lost …
pairs is generated as so-called hot carriers with an excess kinetic energy that is typically lost …
Thermoelectric conversion at 30 K in InAs/InP nanowire quantum dots
We demonstrate high-temperature thermoelectric conversion in InAs/InP nanowire quantum
dots by taking advantage of their strong electronic confinement. The electrical conductance …
dots by taking advantage of their strong electronic confinement. The electrical conductance …