Performance analysis of near-field thermophotovoltaic with a multilayer metallodielectric emitter

Y. Yang, J. Y. Chang, Liping Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The photon transport and energy conversion of a nearfield thermophotovoltaic (TPV) system with a selective emitter composed of alternate tungsten and alumina layers and a photovoltaic cell sandwiched by electrical contacts are theoretically investigated in this paper. Fluctuational electrodynamics along with the dyadic Green's function for a multilayered structure is applied to calculate the spectral heat flux, and photocurrent generation and electrical power output are solved from the photon-coupled charge transport equations. The tungsten and alumina layer thicknesses are optimized to match the spectral heat flux with the bandgap of TPV cell. The spectral heat flux is much enhanced when plain tungsten emitter is replaced with the multilayer emitter due to the mechanism of surface plasmon polariton coupling in the tungsten thin film. In addition, the invalidity of effective medium theory to predict photon transport in the near field with multilayer emitters is discussed. Effects of a gold back reflector and indium tin oxide front coating with nanometer thickness, which could practically act as the electrodes to collect the photon-generated charges on the TPV cell, are explored. Conversion efficiency of 23.7% and electrical power output of 0.31 MW/m2 are achieved at 100 nm vacuum gap when the emitter and receiver are respectively at temperatures of 2000 K and 300 K.

Original languageEnglish (US)
Title of host publicationMicro/Nanofluidics and Lab-on-a-Chip; Nanofluids; Micro/Nanoscale Interfacial Transport Phenomena; Micro/Nanoscale Boiling and Condensation Heat Transfer; Micro/Nanoscale Thermal Radiation; Micro/Nanoscale Energy Devices and Systems
PublisherAmerican Society of Mechanical Engineers
Volume1
ISBN (Print)9780791849651
DOIs
StatePublished - 2016
EventASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016 - Biopolis, Singapore
Duration: Jan 4 2016Jan 6 2016

Other

OtherASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016
CountrySingapore
CityBiopolis
Period1/4/161/6/16

Fingerprint

Tungsten
Multilayers
Photons
Heat flux
Aluminum Oxide
Alumina
Photovoltaic cells
Electrodynamics
Tin oxides
Photocurrents
Energy conversion
Green's function
Gold
Indium
Conversion efficiency
Charge transfer
Energy gap
Vacuum
Thin films
Coatings

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes

Cite this

Yang, Y., Chang, J. Y., & Wang, L. (2016). Performance analysis of near-field thermophotovoltaic with a multilayer metallodielectric emitter. In Micro/Nanofluidics and Lab-on-a-Chip; Nanofluids; Micro/Nanoscale Interfacial Transport Phenomena; Micro/Nanoscale Boiling and Condensation Heat Transfer; Micro/Nanoscale Thermal Radiation; Micro/Nanoscale Energy Devices and Systems (Vol. 1). [V001T05A005] American Society of Mechanical Engineers. https://doi.org/10.1115/MNHMT2016-6471

Performance analysis of near-field thermophotovoltaic with a multilayer metallodielectric emitter. / Yang, Y.; Chang, J. Y.; Wang, Liping.

Micro/Nanofluidics and Lab-on-a-Chip; Nanofluids; Micro/Nanoscale Interfacial Transport Phenomena; Micro/Nanoscale Boiling and Condensation Heat Transfer; Micro/Nanoscale Thermal Radiation; Micro/Nanoscale Energy Devices and Systems. Vol. 1 American Society of Mechanical Engineers, 2016. V001T05A005.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yang, Y, Chang, JY & Wang, L 2016, Performance analysis of near-field thermophotovoltaic with a multilayer metallodielectric emitter. in Micro/Nanofluidics and Lab-on-a-Chip; Nanofluids; Micro/Nanoscale Interfacial Transport Phenomena; Micro/Nanoscale Boiling and Condensation Heat Transfer; Micro/Nanoscale Thermal Radiation; Micro/Nanoscale Energy Devices and Systems. vol. 1, V001T05A005, American Society of Mechanical Engineers, ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer, MNHMT 2016, Biopolis, Singapore, 1/4/16. https://doi.org/10.1115/MNHMT2016-6471
Yang Y, Chang JY, Wang L. Performance analysis of near-field thermophotovoltaic with a multilayer metallodielectric emitter. In Micro/Nanofluidics and Lab-on-a-Chip; Nanofluids; Micro/Nanoscale Interfacial Transport Phenomena; Micro/Nanoscale Boiling and Condensation Heat Transfer; Micro/Nanoscale Thermal Radiation; Micro/Nanoscale Energy Devices and Systems. Vol. 1. American Society of Mechanical Engineers. 2016. V001T05A005 https://doi.org/10.1115/MNHMT2016-6471
Yang, Y. ; Chang, J. Y. ; Wang, Liping. / Performance analysis of near-field thermophotovoltaic with a multilayer metallodielectric emitter. Micro/Nanofluidics and Lab-on-a-Chip; Nanofluids; Micro/Nanoscale Interfacial Transport Phenomena; Micro/Nanoscale Boiling and Condensation Heat Transfer; Micro/Nanoscale Thermal Radiation; Micro/Nanoscale Energy Devices and Systems. Vol. 1 American Society of Mechanical Engineers, 2016.
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