Mg-Ti-H thin films for smart solar collectors

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Mg-Ti-H thin films for smart solar collectors

Journal Article (2006)

Author(s)

D. M. Borsa (Vrije Universiteit Amsterdam)

A. Baldi (Vrije Universiteit Amsterdam)

M. Pasturel (Vrije Universiteit Amsterdam)

H. Schreuders (Vrije Universiteit Amsterdam)

B. Dam (Vrije Universiteit Amsterdam)

R. Griessen (Vrije Universiteit Amsterdam)

P. Vermeulen (Eindhoven University of Technology)

P. H.L. Notten (Philips Research Laboratories, Eindhoven University of Technology)

DOI related publication

https://doi.org/10.1063/1.2212287 Final published version

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https://resolver.tudelft.nl/uuid:4f1bb8d1-e810-4048-bb34-e6a26452739f

More Info

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Publication Year

2006

Language

English

Journal title

Applied Physics Letters

Issue number

24

Volume number

88

Article number

241910

Downloads counter

83

Abstract

Mg-Ti-H thin films are found to have very attractive optical properties: they absorb 87% of the solar radiation in the hydrogenated state and only 32% in the metallic state. Furthermore, in the absorbing state Mg-Ti-H has a low emissivity; at 400 K only 10% of blackbody radiation is emitted. The transition between both optical states is fast, robust, and reversible. The sum of these properties highlights the applicability of such materials as switchable smart coatings in solar collectors.