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dc.contributor.authorFu, Sze Mingen_US
dc.contributor.authorZhong, Yan Kaien_US
dc.contributor.authorTu, Ming Hsiangen_US
dc.contributor.authorChen, Bo Rueien_US
dc.contributor.authorLin, Alberten_US
dc.date.accessioned2019-04-03T06:40:09Z-
dc.date.available2019-04-03T06:40:09Z-
dc.date.issued2016-08-01en_US
dc.identifier.issn1943-0655en_US
dc.identifier.urihttp://dx.doi.org/10.1109/JPHOT.2016.2594704en_US
dc.identifier.urihttp://hdl.handle.net/11536/134109-
dc.description.abstractCompared with conventional solar cells, thermophotovoltaics (TPV) can be more efficient and, thus, exceeds the detailed balance efficiency limit. In particular, the emitter of TPV is a critical design since it determines whether the thermalization loss can be reduced and whether the sub-band-gap radiation can be suppressed, as far as the photovoltaic (PV) process is concerned. In this paper, we propose a selective planar emitter composed of alternating ultrathin metal and dielectric layers. An aperiodic dielectric stacking is designed to tailor the emission spectrum by shaping the emission peak and by adjusting the emission wavelength. We show that the peak emission wavelength (lambda(emission)) is adjustable from lambda = 1500 nm to lambda = 2500 nm. Furthermore, the long-wavelength cutoff is very sharp for our proposed emitter structure, and the absorption is suppressed to 0.1 beyond the cutoff. The preliminary experiment is also conducted to fulfill the concept of a fully planar ultrathin refractory metal emitter design, and the result is similar to the calculated ones. We believe that the planar thermal emitter based on ultrathin metals and aperiodic dielectric stacking is very promising for future thermal emission applications since it requires no lithography and etching, provides strong peak emission power, and possesses wide wavelength scalability.en_US
dc.language.isoen_USen_US
dc.subjectPhotovoltaics (PV)en_US
dc.subjectoptical properties of photonic materialsen_US
dc.subjectmetamaterialen_US
dc.subjectthin film coatingsen_US
dc.titleA Planarized Thermophotovoltaic Emitter With Idealized Selective Emissionen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/JPHOT.2016.2594704en_US
dc.identifier.journalIEEE PHOTONICS JOURNALen_US
dc.citation.volume8en_US
dc.citation.issue4en_US
dc.citation.spage0en_US
dc.citation.epage0en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000381489500001en_US
dc.citation.woscount11en_US
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