Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Dudong Feng"'
Publikováno v:
npj Computational Materials, Vol 10, Iss 1, Pp 1-9 (2024)
Abstract The prediction of thermal conductivity and radiative properties is crucial. However, computing phonon scattering, especially for four-phonon scattering, could be prohibitively expensive, and the thermal conductivity for silicon after conside
Externí odkaz:
https://doaj.org/article/888f612c16034219b2a5eddb306fbc0d
Autor:
Ziqi Guo, Prabudhya Roy Chowdhury, Zherui Han, Yixuan Sun, Dudong Feng, Guang Lin, Xiulin Ruan
Publikováno v:
npj Computational Materials, Vol 9, Iss 1, Pp 1-10 (2023)
Abstract Lattice thermal conductivity is important for many applications, but experimental measurements or first principles calculations including three-phonon and four-phonon scattering are expensive or even unaffordable. Machine learning approaches
Externí odkaz:
https://doaj.org/article/20a91f4c7dec49ab81e2236d4aeac064
Publikováno v:
AIP Advances, Vol 12, Iss 9, Pp 095006-095006-9 (2022)
Modeling radiative recombination is crucial to the analysis of radiative energy converters. In this work, a local radiative recombination coefficient is defined and derived based on fluctuational electrodynamics that is applicable to thin-film cells
Externí odkaz:
https://doaj.org/article/85e88b5055e740588ccfb547c00bcef2
Publikováno v:
ASME Journal of Heat and Mass Transfer. 145
Monte Carlo simulations for photon transport are commonly used to predict the spectral response, including reflectance, absorptance, and transmittance in nanoparticle laden media, while the computational cost could be high. In this study, we demonstr
Publikováno v:
Nano Energy. 103:107831
Publikováno v:
Physica Scripta. 97:095506
In this work, the near-field radiative heat transfer (NFRHT) between two Weyl semimetal (WSM) nanoparticles (NPs) is investigated. The numerical results show that negative differential thermal conductance (NDTC) effect can be obtained in this system,
Publikováno v:
Nanoscale and Microscale Thermophysical Engineering. 24:1-19
The output power of thermophotovoltaic (TPV) cells may be greatly increased when the gap between the emitter and cell is reduced to submicron distances (near-field regime), at which photon tunnelin...
Autor:
Andrew J. Ferguson, Eric S. Toberer, Zhuomin M. Zhang, William A. Callahan, Dudong Feng, Eric J. Tervo
Accurate modeling of charge transport and both thermal and luminescent radiation is crucial to the understanding and design of radiative thermal energy converters. Charge carrier dynamics in semiconductors are well-described by the Poisson-drift-diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f50c8f815f2ff10f281f1b41cabbb366
http://arxiv.org/abs/2101.04746
http://arxiv.org/abs/2101.04746
Autor:
Shannon K. Yee, Zhuomin M. Zhang, Eric J. Tervo, Dragica Vasileska, Ajeet Rohatgi, Dudong Feng
Emitted photons stemming from the radiative recombination of electron-hole pairs carry chemical potential in radiative energy converters. This luminescent effect can substantially alter the local net photogeneration in near-field thermophotovoltaic c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4bfc54041cf7f10323b8e32898e1238
Publikováno v:
Solar Energy Materials and Solar Cells. 237:111562
Various spectral control techniques can be applied to improve the performance of a thermophotovoltaic (TPV) system. For example, a back surface reflector (BSR) can improve the performance of TPV systems. A conventional metal BSR structure enhances th