activity
20022023
most citedThermoelectric and thermal rectification properties of quantum dot junctions

153 citations · 344 across the 41 of their papers we have counts for

collaborators
Showing cond-mat.mes-hallShow all

40 papers · 1 filter

cond-mat.mes-hall2023

Effects of Coulomb blockade on the charge transport through the topological states of finite armchair graphene nanoribbons and heterostructures

David M T Kuo

In this study, we investigate the charge transport properties of semiconducting armchair graphene nanoribbons (AGNRs) and heterostructures through their topological states (TSs), w…

cond-mat.mes-hall2022★ 4 cited

Effects of metallic electrodes on the thermoelectric properties of zigzag graphene nanoribbons with periodic vacancies

David M T Kuo

We theoretically analyze the thermoelectric properties of graphene quantum dot arrays (GQDAs) with line- or surface-contacted metal electrodes. Such GQDAs are realized as zigzag gr…

cond-mat.mes-hall2022

Contact effects on thermoelectric properties of textured graphene nanoribbons

David M T Kuo, Yia-Chung Chang

Transport and thermoelectric properties of finite textured graphene nanoribbons (t-GNRs) connected to electrodes with various coupling strengths are theoretically studied in the fr…

cond-mat.mes-hall2022

Effects of zigzag edge states on the thermoelectric properties of finite graphene nanoribbons

David Ming Ting Kuo

Thermoelectric properties of finite graphene nanoribbons (GNRs) coupled to metallic electrodes are theoretically studied in the framework of tight-binding model and Green's functio…

cond-mat.mes-hall2021★ 1 cited

High thermoelectric figure of merit of quantum dot array quantum wires

David M T Kuo

How to design silicon-based quantum wires with figure of merit () larger than three is under hot pursuit due to the advantage of low cost and the availability of matured fabric…

cond-mat.mes-hall2020

Thermoelectric properties of finite two dimensional triangular lattices coupled to electrodes

David M T Kuo

Novel intrinsic two-dimensional materials have attracted many researchers' attention. The unusual transport and optical properties of these materials originate mainly from triangul…

cond-mat.mes-hall2020

Thermoelectric properties of finite two-dimensional quantum dot arrays with band-like electronic states

David M T Kuo

The thermal power () depends on the Seebeck coefficient () and electron conductance (). The enhancement of will unavoidably suppress because they are c…

cond-mat.mes-hall2020

Thermoelectric and electron heat rectification properties of quantum dot superlattice nanowire arrays

David M T Kuo

Heat engines made of quantum-dot (QD) superlattice nanowires (SLNWs) offer promising applications in energy harvesting due to the reduction of phonon thermal conductivity. In solid…

cond-mat.mes-hall2019★ 3 cited

Superlattice nanowire heat engines with direction-dependent power output and heat current

David M T Kuo, Yia-Chung Chang

Heat engines (HEs) made of low dimensional structures offer promising applications in energy harvesting due to their reduced phonon thermal conductance. Many efforts have been devo…

cond-mat.mes-hall2018★ 1 cited

Optimizing thermoelectric efficiency of superlattice nanowires at room temperature

David M T Kuo, C. C. Chen, Yia-Chung Chang

It is known that the figure of merit () of thin nanowires can be significantly enhanced at room temperature due to the reduction of phonon thermal conductance arising from the…

cond-mat.mes-hall2017

Heat diodes made of quantum dots embedded in nanowires connected to metallic electrodes

David M T Kuo

The quantum dot arrays (QDAs) embedded into inhomogeneous nanowires connected to metallic electrodes show an electron heat rectification effect, which is attributed to the thermal…

cond-mat.mes-hall2017★ 25 cited

Large enhancement in thermoelectric efficiency of quantum dot junction due to increase of level degeneracy

David M T Kuo, Chih-Chieh Chen, Yia-Chung Chang

It is theoretically demonstrated that the figure of merit () of quantum dot (QD) junctions can be significantly enhanced when the degree of degeneracy of the energy levels invo…

cond-mat.mes-hall2016

Thermoelectric efficiency of quantum dot molecules at a high temperature bias: the role of thermal-induced voltage

Chih-Chieh Chen, David M T Kuo, Yia-Chung Chang

The nonlinear electron and heat currents of quantum dot molecules (QDMs) under a temperature bias are theoretically investigated, including all correlation functions arising from e…

cond-mat.mes-hall2016

A heat engine made of quantum dot molecules with high figure of merits

Chih-Chieh Chen, David M T Kuo, Yia-Chung Chang

The transport of electrons through serially coupled quantum dot molecules (SCQDM) is investigated theoretically for application as an energy harvesting engine (EHE), which converts…

cond-mat.mes-hall2015

Quantum interference and structure-dependent orbital-filling effects on the thermoelectric properties of quantum dot molecules

Chih-Chieh Chen, David M T Kuo, Yia Chung Chang

The quantum interference and orbital filling effects on the thermoelectric (TE) properties of quantum dot molecules with high figure of merit are illustrated via the full solution…

cond-mat.mes-hall2015★ 1 cited

Thermoelectric effects of quantum dot arrays embedded in nanowires

Yen-Chun Tseng, David M. -T. Kuo, Yia-Chung Chang +1

The thermoelectric properties of quantum dot arrays (QDAs) embedded in nanowires connected to electrodes are studied theoretically in the Coulomb blockade regime. A Hurbbard-Anders…

cond-mat.mes-hall2015★ 4 cited

Quantum interference and electron correlation in charge transport through triangular quantum dot molecules

Chih-Chieh Chen, Yia-chung Chang, David M T Kuo

We study the charge transport properties of triangular quantum dot molecule (TQDM) connected to metallic electrodes, taking into account all correlation functions and relevant char…

cond-mat.mes-hall2013★ 9 cited

Long distance coherent tunneling effect on the charge and heat currents in serially coupled triple quantum dots

David M T Kuo, Yia-chung Chang

The effect of long distance coherent tunneling (LDCT) on the charge and heat currents in serially coupled triple quantum dots (TQDs) connected to electrodes is illustrated by using…

cond-mat.mes-hall2013★ 11 cited

Heat rectification effect of serially coupled quantum dots

Yen-Chun Tseng, David M T Kuo, Yia-chung Chang +1

The nonlinear thermoelectric properties of serially coupled quantum dots (SCQDs) embedded in a nanowire connected to metallic electrodes are theoretically studied in the Coulomb bl…

cond-mat.mes-hall2013★ 1 cited

Tunneling Current Spectra of a Metal Core/Semiconductor Shell Quantum Dot Molecule

David M. -T. Kuo

The transport properties of a metal core/semiconductor shell quantum dot molecule (QDM) embedded in a matrix connected to metallic electrodes are theoretically studied in the frame…

cond-mat.mes-hall2012

Current Rectification and Seebeck Coefficient of Serially Coupled Double Quantum Dots

Yen-Chun Tseng, David M. -T. Kuo

The transport properties of serially coupled quantum dots (SCQDs) embedded in a matrix connected to metallic electrodes are theoretically studied in the linear and nonlinear regime…

cond-mat.mes-hall2012

Thermoelectric Properties of a Semiconductor Quantum Dot Chain Connected to Metallic Electrodes

David M. -T. Kuo, Yia-Chung Chang

The thermoelectric properties of a semiconduct quantum dot chain (SQDC) connected to metallic electrodes are theoretically investigated in the Coulomb blockade regime. An extended…

cond-mat.mes-hall2012★ 1 cited

Bistability in the Tunnelling Current through a Ring of Coupled Quantum Dots

Shiue-Yuan Shiau, Yia-Chung Chang, David M. -T. Kuo

We study bistability in the electron transport through a ring of N coupled quantum dots with two orbitals in each dot. One orbital is localized (called b orbital) and coupling of t…

cond-mat.mes-hall2012★ 13 cited

Effects of interdot hopping and Coulomb blockade on the thermoelectric properties of serially coupled quantum dots

David M. -T. Kuo, Y. C. Chang

We have theoretically studied the thermoelectric properties of serially coupled quantum dots (SCQD) embedded in an insulator matrix connected to metallic electrodes. In the framewo…