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Вид документа : Статья из журнала
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Автор(ы) : Su B., Jin J., Peng Y., Molokeev M. S., Yang X., Xia Z.
Заглавие : Zero-Dimensional Organic Copper(I) Iodide Hybrid with High Anti-Water Stability for Blue-Light-Excitable Solid-State Lighting
Место публикации : Adv. Opt. Mater. - 2022. - Vol. 10, Is. 12. - Ст.2102619. - ISSN 21951071 (ISSN), DOI 10.1002/adom.202102619
Примечания : Cited References: 55. - This work was supported by the National Natural Science Foundation of China (Nos.: 51961145101 and 51972118), Guangzhou Science & Technology Project (202007020005), and the Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program(2017BT01×137). This work was also funded by RFBR according to the research Project No.19-52-80003
Аннотация: The discovery of rare-earth free luminescent materials with blue-light-excitable characteristic is of great importance for solid-sate lighting applications. Herein, a Cu(I)-based 0D luminescent hybrid (1,3-dppH2)2Cu4I8∙H2O is synthesized by a facile solution method, and it shows the orange-red emission peaking at 625 nm upon 460 nm excitation. The structure-related luminescence mechanism has been elaborated by experimental and theoretical investigations. Moreover, the emission intensity remains unchanged even after continuous water treatment for 60 days due to the improved structural stability originating from intermolecular π–π interaction between organic cations. A warm white light-emitting diode (LED) device with the color rendering index of 91.4% has been fabricated by combining the 440 nm LED chip, green-emitting Lu3Al5O12:Ce3+, and (1,3-dppH2)2Cu4I8∙H2O. This work provides a new design route towards 0D cuprous halide materials and will initiate more exploration of their intrinsic luminescence mechanism.
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