journal article·2020-10-27Open access

Hackmanite—The Natural Glow-in-the-Dark Material

Cecilia Agamah, Sami Vuori, Pauline Colinet, Isabella Norrbo, José Miranda de Carvalho, Liana Key Okada Nakamura, Joachim Lindblom, Ludo van Goethem, Axel Emmermann, Timo Saarinen, Tero Laihinen, Eero Laakkonen, Johan Lindén, Jari Konu, Henk Vrielinck, David Van der Heggen, Philippe F. Smet, Tangui Le Bahers, Mika Lastusaari

Chemistry of Materials· Volume 32· Issue 20

Abstract

“Glow-in-the-dark” materials are known to practically everyone who has ever traveled by airplane or cruise ship, since they are commonly used for self-lit emergency exit signs. The green afterglow, persistent luminescence (PeL), is obtained from divalent europium doped to a synthetic strontium aluminate, but there are also some natural minerals capable of afterglow. One such mineral is hackmanite, the afterglow of which has never been thoroughly investigated, even if its synthetic versions can compete with some of the best commercially available synthetic PeL materials. Here we combine experimental and computational data to show that the white PeL of natural hackmanite is generated and controlled by a very delicate interplay between the natural impurities present. The results obtained shed light on the PeL phenomenon itself thus giving insight into improving the performance of synthetic materials.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Luminescence Properties of Advanced Materials · Luminescence and Fluorescent Materials · Perovskite Materials and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

University of Turku, Department of Chemistry, FI-20014 Turku, Finland

University of Turku Graduate School (UTUGS), Doctoral Programme in Physical and Chemical Sciences, FI-20014 Turku, Finland

Université Lyon, ENS de Lyon, CNRS, Université Lyon 1, Laboratoire de Chimie UMR, 5182 Lyon, France

University of São Paulo, Department of Applied Physics, São Paulo, São Paulo 0508-000, Brazil

Colégio Nossa Senhora das Dores, São Paulo, São Paulo BR-02517-001, Brazil

Morris Lindblom & Company, Maaherrankatu 16, FI-20200 Turku, Finland

Mineralogical Society of Antwerp, Boterlaarbaan 225, 2100 Deurne, Belgium

University of Turku, Department of Geography and Geology, FI-20014 Turku, Finland

University of Turku, Department of Teacher Education, FI-20014 Turku, Finland

Åbo Akademi University, Faculty of Science & Engineering/Physics, FI-20500 Turku, Finland

University of Jyväskylä, Department of Chemistry, FI-40014 Jyväskylä, Finland

Ghent University, Department of Solid State Sciences, Krijgslaan 281-S1, Gent 9000, Belgium

Turku University Centre for Materials and Surfaces (MatSurf), Turku, Finland

Funding

Agence Nationale de la Recherche · Universiteit Gent · Funda??o de Amparo ? Pesquisa do Estado de S?o Paulo · Business Finland · Minist?re de la Coh?sion des territoires et des Relations avec les collectivit?s territoriales

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