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AchievingUltra-BroadbandSunlight-LikeEmission inSingle-PhasePhosphors: TheInterplay ofStructure andLuminescence Liu ShuifuLi LiyiQin Xinghui2024 год

Achieving Ultra-Broadband Sunlight-Like Emission in Single-Phase Phosphors: The Interplay of Structure and Luminescence : научное издание
статья из журнала

Дополнительные ссылки: eLibrary
База данных: Каталог библиотеки СФУ
Библиографическое описание: Achieving Ultra-Broadband Sunlight-Like Emission in Single-Phase Phosphors: The Interplay of Structure and Luminescence : научное издание / S. S. Liu [et al.]. - Текст : непосредственный // Advanced Materials. - 2024. - № . - ISSN 0935-9648. - ISSN 1521-4095, DOI 10.1002/adma.202406164.
Аннотация: <jats:title>Abstract</jats:title><jats:p>The quest for artificial light sources mimicking sunlight has been a long-standing endeavor, particularly for applications in anticounterfeiting, agriculture, and color hue detection. Conventional sunlight simulators are often cost-prohibitive and bulky. Therefore, the development of a series of single-phase phosphors Ca<jats:sub>9</jats:sub>LiMg<jats:sub>1-x</jats:sub>Al<jats:sub>2x/3</jats:sub>(PO<jats:sub>4</jats:sub>)<jats:sub>7</jats:sub>:0.1Eu<jats:sup>2+</jats:sup> (x = 0-0.75) with sunlight-like emission represents a welcome step towards compact and economical light source alternatives. The phosphors are obtained by an original heterovalent substitution method and emit a broad spectrum spanning from violet to deep red. Notably, the phosphor with <jats:italic>x</jats:italic> = 0.5 exhibits an impressive full width at half-maximum of 330 nm. A synergistic interplay of experimental investigations and theory unveils the mechanism behind sunlight-like emission due to the local structural perturbations introduced by the heterovalent substitution of Al<jats:sup>3+</jats:sup> for Mg<jats:sup>2+</jats:sup>, leading to a varied distribution of Eu<jats:sup>2+</jats:sup> within the lattice. Subsequent characterization of a series of organic dyes combining absorption spectroscopy with convolutional neural network analysis convincingly demonstrates the potential of this phosphor in portable photodetection devices. Broad-spectrum light source testing empowers the model to precisely differentiate dye patterns. This points to the phosphor being ideal for mimicking sunlight. Beyond this demonstrated application, the phosphor's utility is envisioned in other relevant domains, including visible light communication and smart agriculture.</jats:p>
Год издания: 2024
Авторы: Liu Shuifu , Li Liyi , Qin Xinghui , Du Rongkai , Sun Yifan , Xie Shixing , Wang Jiaqi , Molokeev Maxim S. , Xi Shibo , Bünzli Jean-Claude G. , Zhou Lei , Wu Mingmei
Издательство: Wiley - VCH Verlag GmbH & CO. KGaA
Источник: Advanced Materials
Держатель оригинала документа: College of Materials Xiamen University Xiamen 361005 P. R. China, Institute of Chemical Sciences and Engineering Swiss Federal Institute of Technology Lausanne (EPFL) Lausanne Switzerland, Institute of Sustainability for Chemicals Energy and Environment (ISCE2) Agency for Science Technology and Research (A*STAR) 1 Pesek Road Jurong Island 627833 Singapore, International Research Center of Spectroscopy and Quantum Chemistry-IRC SQC Siberian Federal University 79 Svobodny Ave Krasnoyarsk 660041 Russia, Laboratory of Crystal Physics Kirensky Institute of Physics Federal Research Center SB RAS Akademgorodok 50 bld.38 Krasnoyarsk 660036 Russia, School of Chemical Engineering and Technology/School of Marine Sciences Sun Yat-sen University Zhuhai 519082 P. R. China
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