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Lanthanide and Heav...
Lanthanide and Heavy Metal Free Long White Persistent Luminescence from Ti Doped Li-Hackmanite : A Versatile, Low-Cost Material
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- Norrbo, Isabella (författare)
- Univ Turku, Dept Chem, FI-20014 Turku, Finland.;Univ Turku, Grad Sch UTUGS, Doctoral Programme Phys & Chem Sci PCS, FI-20014 Turku, Finland.
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- Carvalho, Jose M. (författare)
- Univ Turku, Dept Chem, FI-20014 Turku, Finland.;Univ Sao Paulo, Inst Chem, BR-05508000 Sao Paulo, Brazil.
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- Laukkanen, Pekka (författare)
- Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland.
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- Mäkelä, Jaakko (författare)
- Univ Turku, Grad Sch UTUGS, Doctoral Programme Phys & Chem Sci PCS, FI-20014 Turku, Finland.;Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland.
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- Mamedov, Fikret (författare)
- Uppsala universitet,Molekylär biomimetik
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- Peurla, Markus (författare)
- Univ Turku, Lab Electron Microscopy, Kiinamyllynkatu 10, FI-20520 Turku, Finland.
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- Helminen, Hanna (författare)
- Univ Turku, Dept Chem, FI-20014 Turku, Finland.
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- Pihlasalo, Sari (författare)
- Univ Turku, Dept Chem, FI-20014 Turku, Finland.
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- Härmä, Harri (författare)
- Univ Turku, Dept Chem, FI-20014 Turku, Finland.
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- Sinkkonen, Jari (författare)
- Univ Turku, Dept Chem, FI-20014 Turku, Finland.
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- Lastusaari, Mika (författare)
- Univ Turku, Dept Chem, FI-20014 Turku, Finland.;Turku Univ, Ctr Mat & Surfaces MatSurf, FI-20014 Turku, Finland.
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Univ Turku, Dept Chem, FI-20014 Turku, Finland;Univ Turku, Grad Sch UTUGS, Doctoral Programme Phys & Chem Sci PCS, FI-20014 Turku, Finland. Univ Turku, Dept Chem, FI-20014 Turku, Finland.;Univ Sao Paulo, Inst Chem, BR-05508000 Sao Paulo, Brazil. (creator_code:org_t)
- 2017-03-17
- 2017
- Engelska.
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Ingår i: Advanced Functional Materials. - : Wiley. - 1616-301X .- 1616-3028. ; 27:17
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Persistent luminescence (PeL) materials are used in everyday glow-in-the-dark applications and they show high potential for, e.g., medical imaging, night-vision surveillance, and enhancement of solar cells. However, the best performing materials contain rare earths and/or other heavy metal and expensive elements such as Ga and Ge, increasing the production costs. Here, (Li,Na)(8)Al6Si6O24(Cl,S)(2):Ti, a heavy-metal-and rare-earth-free low-cost material is presented. It can give white PeL that stays 7 h above the 0.3 mcd m(-2) limit and is observable for more than 100 h with a spectrometer. This is a record-long duration for white PeL and visible PeL without rare earths. The material has great potential to be applied in white light emitting devices (LEDs) combined with self-sustained night vision using only a single phosphor. The material also exhibits PeL in aqueous suspensions and is capable of showing easily detectable photoluminescence even in nanomolar concentrations, indicating potential for use as a diagnostic marker. Because it is excitable with sunlight, this material is expected to additionally be well-suited for outdoor applications.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
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Norrbo, Isabella
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Carvalho, Jose M ...
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Laukkanen, Pekka
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Mäkelä, Jaakko
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Mamedov, Fikret
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Peurla, Markus
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visa fler...
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Helminen, Hanna
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Pihlasalo, Sari
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Härmä, Harri
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Sinkkonen, Jari
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Lastusaari, Mika
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visa färre...
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NATURVETENSKAP
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Uppsala universitet