Segregated tandem filter for enhanced conversion efficiency in a thermophotovoltaic energy conversion system
Abstract
A filter system to transmit short wavelength radiation and reflect long wavelength radiation for a thermophotovoltaic energy conversion cell comprises an optically transparent substrate segregation layer with at least one coherent wavelength in optical thickness; a dielectric interference filter deposited on one side of the substrate segregation layer, the interference filter being disposed toward the source of radiation, the interference filter including a plurality of alternating layers of high and low optical index materials adapted to change from transmitting to reflecting at a nominal wavelength .lambda..sub.IF approximately equal to the bandgap wavelength .lambda..sub.g of the thermophotovoltaic cell, the interference filter being adapted to transmit incident radiation from about 0.5.lambda..sub.IF to .lambda..sub.IF and reflect from .lambda..sub.IF to about 2.lambda..sub.IF ; and a high mobility plasma filter deposited on the opposite side of the substrate segregation layer, the plasma filter being adapted to start to become reflecting at a wavelength of about 1.5.lambda..sub.IF.
- Inventors:
-
- Clifton Park, NY
- Middlegrove, NY
- Issue Date:
- Research Org.:
- Knolls Atomic Power Laboratory (KAPL), Niskayuna, NY (United States)
- OSTI Identifier:
- 871284
- Patent Number(s):
- 5700332
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
H - ELECTRICITY H02 - GENERATION H02S - GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- DOE Contract Number:
- AC12-76SN00052
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- segregated; tandem; filter; enhanced; conversion; efficiency; thermophotovoltaic; energy; transmit; wavelength; radiation; reflect; cell; comprises; optically; transparent; substrate; segregation; layer; coherent; optical; thickness; dielectric; interference; deposited; disposed; source; including; plurality; alternating; layers; index; materials; adapted; change; transmitting; reflecting; nominal; lambda; approximately; equal; bandgap; incident; mobility; plasma; opposite; start; transparent substrate; optical thickness; wavelength radiation; incident radiation; optically transparent; interference filter; approximately equal; cell comprises; alternating layers; conversion efficiency; energy conversion; photovoltaic cell; thermophotovoltaic energy; plasma filter; filter including; conversion cell; enhanced conversion; parent substrate; thermophotovoltaic cell; photovoltaic energy; /136/359/
Citation Formats
Brown, Edward J, Baldasaro, Paul F, and Dziendziel, Randolph J. Segregated tandem filter for enhanced conversion efficiency in a thermophotovoltaic energy conversion system. United States: N. p., 1997.
Web.
Brown, Edward J, Baldasaro, Paul F, & Dziendziel, Randolph J. Segregated tandem filter for enhanced conversion efficiency in a thermophotovoltaic energy conversion system. United States.
Brown, Edward J, Baldasaro, Paul F, and Dziendziel, Randolph J. Wed .
"Segregated tandem filter for enhanced conversion efficiency in a thermophotovoltaic energy conversion system". United States. https://www.osti.gov/servlets/purl/871284.
@article{osti_871284,
title = {Segregated tandem filter for enhanced conversion efficiency in a thermophotovoltaic energy conversion system},
author = {Brown, Edward J and Baldasaro, Paul F and Dziendziel, Randolph J},
abstractNote = {A filter system to transmit short wavelength radiation and reflect long wavelength radiation for a thermophotovoltaic energy conversion cell comprises an optically transparent substrate segregation layer with at least one coherent wavelength in optical thickness; a dielectric interference filter deposited on one side of the substrate segregation layer, the interference filter being disposed toward the source of radiation, the interference filter including a plurality of alternating layers of high and low optical index materials adapted to change from transmitting to reflecting at a nominal wavelength .lambda..sub.IF approximately equal to the bandgap wavelength .lambda..sub.g of the thermophotovoltaic cell, the interference filter being adapted to transmit incident radiation from about 0.5.lambda..sub.IF to .lambda..sub.IF and reflect from .lambda..sub.IF to about 2.lambda..sub.IF ; and a high mobility plasma filter deposited on the opposite side of the substrate segregation layer, the plasma filter being adapted to start to become reflecting at a wavelength of about 1.5.lambda..sub.IF.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Jan 01 00:00:00 EST 1997},
month = {Wed Jan 01 00:00:00 EST 1997}
}
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Works referenced in this record:
Feasibility assessment of low temperature voltaic energy conversion
report, April 1994
- Baldasaro, P. F.; Campbell, B. C.; Depoy, D. M.
Interference filters for thermophotovoltaic solar energy conversion
journal, December 1983
- Höfler, H.; Paul, H. J.; Ruppel, W.
- Solar Cells, Vol. 10, Issue 3
Thermophotovoltaic devices utilizing a back surface reflector for spectral control
conference, January 1996
- Charache, G. W.; DePoy, D. M.; Baldasaro, P. F.
- The 2nd NREL conference on thermophotovoltaic generation of electricity, AIP Conference Proceedings
Heat mirror coatings for energy conserving windows
journal, November 1981
- Lampert, Carl M.
- Solar Energy Materials, Vol. 6, Issue 1