Mechanisms of Tenebrescence and Persistent Luminescence in Synthetic Hackmanite Na8Al6Si6O24(Cl,S)2
Source abstract
Abstract
Synthetic hackmanites, Na8Al6Si6O24(Cl,S)2, showing efficient purple tenebrescence and blue/white persistent luminescence were studied using different spectroscopic techniques to obtain a quantified view on the storage and release of optical energy in these materials. The persistent luminescence emitter was identified as impurity Ti(3+) originating from the precursor materials used in the synthesis, and the energy storage for persistent luminescence was postulated to take place in oxygen vacancies within the aluminosilicate framework. Tenebrescence, on the other hand, was observed to function within the Na4(Cl,S) entities located in the cavities of the aluminosilicate framework. The mechanism of persistent luminescence and tenebrescence in hackmanite is presented for the first time.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · bioluminescence and chemiluminescence research · Photoreceptor and optogenetics research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Low Temperature and Structure Research Polish Academy of Sciences, PL-50422 Wroclaw, Poland
Doctoral Programme in Physical and Chemical Sciences, University of Turku Graduate School (UTUGS), FI-20014 Turku, Finland
Department of Chemistry, Molecular Biomimetics, Uppsala University, SE-75120 Uppsala, Sweden
Funding
Energimyndigheten · Nordic Energy Research · Knut och Alice Wallenbergs Stiftelse · Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico · Suomen Akatemia · Seventh Framework Programme · Turun yliopiston tutkijakoulu
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