Performance analysis of a tunneling thermoelectric heat engine with nano-scaled quantum well

Luo, Xiaoguang; Liu, Nian; He, Jizhou; Qiu, Teng

doi:10.1007/s00339-014-8503-3

Cited by 5 publications

(4 citation statements)

References 30 publications

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“…(2) . Temperatures considered here lie in the cryogenic range, so that we can neglect the lattice-related thermal conduction 24 25 26 and focus on electron kinetic energies 27 28 .…”

Section: Resultsmentioning

confidence: 99%

Thermal electron-tunneling devices as coolers and amplifiers

Zhang

Chen

et al. 2016

Sci Rep

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Nanoscale thermal systems that are associated with a pair of electron reservoirs have been previously studied. In particular, devices that adjust electron tunnels relatively to reservoirs’ chemical potentials enjoy the novelty and the potential. Since only two reservoirs and one tunnel exist, however, designers need external aids to complete a cycle, rendering their models non-spontaneous. Here we design thermal conversion devices that are operated among three electron reservoirs connected by energy-filtering tunnels and also referred to as thermal electron-tunneling devices. They are driven by one of electron reservoirs rather than the external power input, and are equivalent to those coupling systems consisting of forward and reverse Carnot cycles with energy selective electron functions. These previously-unreported electronic devices can be used as coolers and thermal amplifiers and may be called as thermal transistors. The electron and energy fluxes of devices are capable of being manipulated in the same or oppsite directions at our disposal. The proposed model can open a new field in the application of nano-devices.

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“…(2) . Temperatures considered here lie in the cryogenic range, so that we can neglect the lattice-related thermal conduction 24 25 26 and focus on electron kinetic energies 27 28 .…”

Section: Resultsmentioning

confidence: 99%

Thermal electron-tunneling devices as coolers and amplifiers

Zhang

Chen

et al. 2016

Sci Rep

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“…Each electron traveling from the cathode to the anode carries the energy of E x þ k B T C À E f [33], where k B T C is the average value of free energy in the transverse plane based on the Maxwell-Boltzmann statistics. Likewise, an electron carries the energy of E x þ k B T A À E f in the reverse direction.…”

Section: The Model Of the Photon-enhanced Electron Tunneling (Peet) Smentioning

confidence: 99%

“…[32,33]. The net current density, J net , of PEET solar cell is computed by the difference between the electrical current densities released by the cathode J C and the anode J A .…”

Section: The Model Of the Photon-enhanced Electron Tunneling (Peet) Smentioning

confidence: 99%

Photon-enhanced electron tunneling solar cells

Chen

Liao

et al. 2016

Energy

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“…⎛ ⎝ ⎞ ⎠ Thus, the total energy of electrons is the filtered energy in x-direction plus the average contribution from y-z dimension, but in certain case, the distribution of electrons is determined by quantum statistics and Fermi-Dirac function is required to avoid deviation of results. Maxwell-Boltzmann (MB) statistics has been widely adopted in literatures to calculate the energy carried by electrons in the y and z directions [44]. As a result, the energy removed by each electron that leaves a hot reservoir is replaced by…”

mentioning

confidence: 99%

The optimum configuration design of a nanostructured thermoelectric device with resonance tunneling

et al. 2022

Phys. Scr.

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A nanostructured thermoelectric device is designed by connecting a double-barrier resonant tunneling heterostructure to two electron reservoirs. Based on Landauer’s equation and Fermi-Dirac statistics, the exact solution of the heat flow is calculated. The maximum power output and efficiency are calculated through the optimizations of several key parameters. The optimum characteristic curve of the performance is obtained. The reasonably working region of the device is determined, the selection criteria of main parameters are provided, and the optimum configuration of the device is drawn. Results show that the heterojunction becomes a perfect energy filter by appropriately regulating the chemical potentials of electron reservoirs and optimally choosing the widths of barrier and quantum well and the nanostructured thermoelectric device with resonance tunneling may obtain simultaneously a large power output and a high efficiency.

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Performance analysis of a tunneling thermoelectric heat engine with nano-scaled quantum well

Cited by 5 publications

References 30 publications

Thermal electron-tunneling devices as coolers and amplifiers

Thermal electron-tunneling devices as coolers and amplifiers

Photon-enhanced electron tunneling solar cells

The optimum configuration design of a nanostructured thermoelectric device with resonance tunneling

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