Publisher DOI: | 10.1117/12.2227844 | Title: | Refractory absorber/emitter using monolayer of ceramic microparticles | Language: | English | Authors: | Dyachenko, Pavel N. Rosário, Jefferson J. do Leib, Elisabeth Petrov, Alexander ![]() Störmer, Michael Weller, Horst Vossmeyer, Tobias Schneider, Gerold A. Eich, Manfred |
Keywords: | absorption; high temperature photonics; Metamaterials; selective emitters; subwavelength structures | Issue Date: | 21-Apr-2016 | Publisher: | SPIE | Source: | Proceedings of SPIE - The International Society for Optical Engineering (9885): 98851K (2016) | Abstract (english): | We present a self-assembled refractory absorber/emitter without the necessity to structure the metallic surface itself, still retaining the feature of tailored optical properties for visible light emission and thermophotovoltaic (TPV) applications. We have demonstrated theoretically and experimentally that monolayers of zirconium dioxide (ZrO2) microparticles on a tungsten layer can be used as large area, efficient and thermally stable selective absorbers/emitters. The band edge of the absorption is based on critically coupled microsphere resonances. It can be tuned from visible to near-infrared range by varying the diameter of the microparticles. We demonstrated the optical functionality of the structure after annealing up to temperatures of 1000°C under vacuum conditions. In particular it opens up the route towards high efficiency TPV systems with emission matched to the photovoltaic cell. |
Conference: | Photonic Crystal Materials and Devices XII | URI: | http://hdl.handle.net/11420/5014 | ISBN: | 978-1-5106-0130-7 | ISSN: | 0277-786X | Institute: | Optische und Elektronische Materialien E-12 Keramische Hochleistungswerkstoffe M-9 |
Document Type: | Chapter/Article (Proceedings) | Project: | SFB 986: Teilprojekt C2 - Keramikbasierte hochtemperaturstabile Wärmestrahlungsreflektoren und Strukturfarben SFB 986: Teilprojekt C4 - Deposition, Ordnung und mechanische Stabilität von Beschichtungen aus assemblierten Partikeln mit enger Größenverteilung |
More Funding information: | Financial support from the German Research Foundation (DFG) via SFB 986 "Tailor-Made Multi-Scale Materials Systems: M³", projects C2, C4 and C6. | Part of Series: | Proceedings of SPIE | Volume number: | 9885 |
Appears in Collections: | Publications without fulltext |
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