{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/37918"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/37918","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Thermophotovoltaics : shaping the flow of thermal radiation","abstract":"This thesis explores the modeling, design, and optimization of photonic crystals as spectral control components for high-performance thermophotovoltaic (TPV) power conversion. In particular, we focus on the use of one-dimensional and two dimensional photonic crystals as optical filters and selective thermal emitters for thermophotovoltaic and micro-thermophotovoltaic (micro-TPV)) applications. In addition, we explore fundamental limitations of photonic crystal thermal emitters and provide new insights into the limiting power transfer mechanisms that are relevant for TPV, micro-TPV, lighting and sensor applications. Ideal thermodynamic models that capture dominant power transfer mechanism for TPV and micro-TPV case, are developed and used for the design, optimization and system performance estimation of TPV systems with photonic-crystals. Furthermore, we propose for the first time two new classes of narrow-band thermal emitters that use the resonant cavity effect. The first type of narrow-band thermal emitters rely on vertical-cavity to enhance the thermal emission of highly reflective materials (e.g metals). This class of emitters was named the vertical cavity enhanced resonant thermal emitter (VERTE).","abstract_html":"This thesis explores the modeling, design, and optimization of photonic crystals as spectral control components for high-performance thermophotovoltaic (TPV) power conversion. In particular, we focus on the use of one-dimensional and two dimensional photonic crystals as optical filters and selective thermal emitters for thermophotovoltaic and micro-thermophotovoltaic (micro-TPV)) applications. In addition, we explore fundamental limitations of photonic crystal thermal emitters and provide new insights into the limiting power transfer mechanisms that are relevant for TPV, micro-TPV, lighting and sensor applications. Ideal thermodynamic models that capture dominant power transfer mechanism for TPV and micro-TPV case, are developed and used for the design, optimization and system performance estimation of TPV systems with photonic-crystals. Furthermore, we propose for the first time two new classes of narrow-band thermal emitters that use the resonant cavity effect. The first type of narrow-band thermal emitters rely on vertical-cavity to enhance the thermal emission of highly reflective materials (e.g metals). This class of emitters was named the vertical cavity enhanced resonant thermal emitter (VERTE).","abstract_has_math":false,"creators":["Čelanović, Ivan"],"institution":"Massachusetts Institute of Technology","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.","school":null,"contributors":[],"advisors":["John G. Kassakian."],"committee_chairs":[],"committee_members":[],"year":2006,"date_issued":"2006","date_published":"2006","updated_at":"2026-07-22T22:20:47Z","subjects":["Electrical Engineering and Computer Science."],"languages":["eng"],"rights":["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."],"rights_urls":["http://dspace.mit.edu/handle/1721.1/7582"],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/1721.1/37918","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["John G. Kassakian."]},{"key":"dc:contributor.department","label":"Department","values":["Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science."]},{"key":"dc:contributor.other","label":"Dc Contributor Other","values":["Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science."]},{"key":"dc:creator","label":"Author","values":["Čelanović, Ivan"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2007-07-18T13:11:01Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2007-07-18T13:11:01Z"]},{"key":"dc:date.issued","label":"Date","values":["2006"]},{"key":"dc:publisher","label":"Institution","values":["Massachusetts Institute of Technology"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Electrical Engineering and Computer Science."]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["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."]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://dspace.mit.edu/handle/1721.1/7582"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/1721.1/37918"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.","Includes bibliographical references (p. 121-123)."]},{"key":"dc:description.abstract","label":"Abstract","values":["This thesis explores the modeling, design, and optimization of photonic crystals as spectral control components for high-performance thermophotovoltaic (TPV) power conversion. In particular, we focus on the use of one-dimensional and two dimensional photonic crystals as optical filters and selective thermal emitters for thermophotovoltaic and micro-thermophotovoltaic (micro-TPV)) applications. In addition, we explore fundamental limitations of photonic crystal thermal emitters and provide new insights into the limiting power transfer mechanisms that are relevant for TPV, micro-TPV, lighting and sensor applications. Ideal thermodynamic models that capture dominant power transfer mechanism for TPV and micro-TPV case, are developed and used for the design, optimization and system performance estimation of TPV systems with photonic-crystals. Furthermore, we propose for the first time two new classes of narrow-band thermal emitters that use the resonant cavity effect. The first type of narrow-band thermal emitters rely on vertical-cavity to enhance the thermal emission of highly reflective materials (e.g metals). This class of emitters was named the vertical cavity enhanced resonant thermal emitter (VERTE).","(cont.) The second type of resonant thermal emitters rely on guided resonances in a two-dimensional photonic crystal slab to enhance the emittance of a high-dielectric low-absorption material (e.g. silicon). Both types of resonant thermal emission sources are quasi-monochromatic, and partially-coherent thermal sources that hold great promise for applications ranging from highly-efficient TPV systems to near-IR and IR sensors. Finally, experimentally measured spectral characteristics of fabricated one-dimensional and two-dimensional photonic-crystals show excellent correlation with simulation results. It was shown that a TPV system comprising of the proposed front-side filter and selective thermal emitter exhibits a three-fold enhancement in efficiency over the conventional TPV systems."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Sc.D."]},{"key":"dc:title","label":"Title","values":["Thermophotovoltaics : shaping the flow of thermal radiation"]}]}],"canonical_facts":{"dc:contributor.advisor":["John G. Kassakian."],"dc:contributor.department":["Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science."],"dc:contributor.other":["Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science."],"dc:creator":["Čelanović, Ivan"],"dc:date.accessioned":["2007-07-18T13:11:01Z"],"dc:date.available":["2007-07-18T13:11:01Z"],"dc:date.issued":["2006"],"dc:description":["Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.","Includes bibliographical references (p. 121-123)."],"dc:description.abstract":["This thesis explores the modeling, design, and optimization of photonic crystals as spectral control components for high-performance thermophotovoltaic (TPV) power conversion. In particular, we focus on the use of one-dimensional and two dimensional photonic crystals as optical filters and selective thermal emitters for thermophotovoltaic and micro-thermophotovoltaic (micro-TPV)) applications. In addition, we explore fundamental limitations of photonic crystal thermal emitters and provide new insights into the limiting power transfer mechanisms that are relevant for TPV, micro-TPV, lighting and sensor applications. Ideal thermodynamic models that capture dominant power transfer mechanism for TPV and micro-TPV case, are developed and used for the design, optimization and system performance estimation of TPV systems with photonic-crystals. Furthermore, we propose for the first time two new classes of narrow-band thermal emitters that use the resonant cavity effect. The first type of narrow-band thermal emitters rely on vertical-cavity to enhance the thermal emission of highly reflective materials (e.g metals). This class of emitters was named the vertical cavity enhanced resonant thermal emitter (VERTE).","(cont.) The second type of resonant thermal emitters rely on guided resonances in a two-dimensional photonic crystal slab to enhance the emittance of a high-dielectric low-absorption material (e.g. silicon). Both types of resonant thermal emission sources are quasi-monochromatic, and partially-coherent thermal sources that hold great promise for applications ranging from highly-efficient TPV systems to near-IR and IR sensors. Finally, experimentally measured spectral characteristics of fabricated one-dimensional and two-dimensional photonic-crystals show excellent correlation with simulation results. It was shown that a TPV system comprising of the proposed front-side filter and selective thermal emitter exhibits a three-fold enhancement in efficiency over the conventional TPV systems."],"dc:description.degree":["Sc.D."],"dc:identifier.uri":["http://hdl.handle.net/1721.1/37918"],"dc:language.iso":["eng"],"dc:publisher":["Massachusetts Institute of Technology"],"dc:rights":["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."],"dc:rights.uri":["http://dspace.mit.edu/handle/1721.1/7582"],"dc:subject":["Electrical Engineering and Computer Science."],"dc:title":["Thermophotovoltaics : shaping the flow of thermal radiation"],"dc:type":["Thesis"]},"updated_at":"2026-07-22T22:20:47Z"}