Microstructured tungsten thermophotovoltaic selective emitters c by Natalija (Zorana) Jovanović.
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008.
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| Format: | Thesis |
| Language: | eng |
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Massachusetts Institute of Technology
2009
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| Online Access: | http://hdl.handle.net/1721.1/44445 |
| _version_ | 1826203405544062976 |
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| author | Jovanovic, Natalija Zorana |
| author2 | John G. Kassakian and Leslie A. Kolodziejski. |
| author_facet | John G. Kassakian and Leslie A. Kolodziejski. Jovanovic, Natalija Zorana |
| author_sort | Jovanovic, Natalija Zorana |
| collection | MIT |
| description | Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008. |
| first_indexed | 2024-09-23T12:36:03Z |
| format | Thesis |
| id | mit-1721.1/44445 |
| institution | Massachusetts Institute of Technology |
| language | eng |
| last_indexed | 2024-09-23T12:36:03Z |
| publishDate | 2009 |
| publisher | Massachusetts Institute of Technology |
| record_format | dspace |
| spelling | mit-1721.1/444452019-04-12T09:26:09Z Microstructured tungsten thermophotovoltaic selective emitters c by Natalija (Zorana) Jovanović. Jovanovic, Natalija Zorana John G. Kassakian and Leslie A. Kolodziejski. Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science. Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science. Electrical Engineering and Computer Science. Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008. Includes bibliographical references (p. 71-74). This research investigates the fabrication, modeling, characterization, and application of tungsten two-dimensional (2D) photonic crystal (PhC) structures as selective emitters and means of achieving higher efficiencies in thermophotovoltaic (TPV) energy conversion systems. Important aspects of the fabrication process are researched, developed, and rigorously characterized, focusing on dimensional reliability, precision, and repeatability of the processes. A major contribution in the form of tungsten reactive ion etch (RIE) characterization is provided with detailed parameters and second-order influences on etch rate, smoothness, and mask erosion. Optical characterization of our prototypes is found to be in excellent agreement with simulation, and has provided an experimental confirmation of selective emitter performance. We show that selective emitters can substantially increase spectral efficiency, providing as much as three times the radiative power density of planar tungsten. We include the first measurement of 96% combined efficiency of a selective emitter and a dielectric stack mirror for TPV system applications. Sc.D. 2009-01-30T16:47:35Z 2009-01-30T16:47:35Z 2008 2008 Thesis http://hdl.handle.net/1721.1/44445 294909669 eng M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. http://dspace.mit.edu/handle/1721.1/7582 74 p. application/pdf Massachusetts Institute of Technology |
| spellingShingle | Electrical Engineering and Computer Science. Jovanovic, Natalija Zorana Microstructured tungsten thermophotovoltaic selective emitters c by Natalija (Zorana) Jovanović. |
| title | Microstructured tungsten thermophotovoltaic selective emitters c by Natalija (Zorana) Jovanović. |
| title_full | Microstructured tungsten thermophotovoltaic selective emitters c by Natalija (Zorana) Jovanović. |
| title_fullStr | Microstructured tungsten thermophotovoltaic selective emitters c by Natalija (Zorana) Jovanović. |
| title_full_unstemmed | Microstructured tungsten thermophotovoltaic selective emitters c by Natalija (Zorana) Jovanović. |
| title_short | Microstructured tungsten thermophotovoltaic selective emitters c by Natalija (Zorana) Jovanović. |
| title_sort | microstructured tungsten thermophotovoltaic selective emitters c by natalija zorana jovanovic |
| topic | Electrical Engineering and Computer Science. |
| url | http://hdl.handle.net/1721.1/44445 |
| work_keys_str_mv | AT jovanovicnatalijazorana microstructuredtungstenthermophotovoltaicselectiveemitterscbynatalijazoranajovanovic |