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    Unraveling the mechanochemical synthesis and luminescence in MnII-based two-dimensional hybrid perovskite (C4H9NH3)2PbCl4 / G. J. Zhou [et al.] // Sci. China Mater. - 2019. - Vol. 62, Is. 7. - P. 1013-1022, DOI 10.1007/s40843-018-9404-4. - Cited References: 40. - The present work was supported by the National Natural Science Foundation of China (91622125, 51722202 and 51572023) and the Natural Science Foundation of Beijing (2172036), and Molokeev M acknowledges the support of the Russian Foundation for Basic Research (17-52-53031). The DFT calculation was carried out at the National Supercomputer Center in Tianjin, and the calculations were performed on TianHe-1(A). . - ISSN 2095-8226. - ISSN 2199-4501
   Перевод заглавия: Открытие механохимического синтеза и люминесценции в двумерном гибридном перовските (C4H9NH3)2PbCl4 с допированием MnII

РУБ Materials Science, Multidisciplinary
Рубрики:
DOPANT ENERGY-TRANSFER
   EMISSION
   EXCITON
   MODEL
Кл.слова (ненормированные):
2D hybrid perovskite -- mechanochemical -- Mn-doping -- luminescence -- phosphor
Аннотация: The mechanochemical route is a facile and fast way and has received much attention for developing versatile advanced functional materials. Herein, we reported a mechanochemical synthesis for incorporating divalent manganese ions (MnII) into a two-dimensional (2D) hybrid perovskite (C4H9NH3)2PbCl4. The mild external stimuli originating from the grinding at room temperature enabled the formation of MnII-doped 2D hybrid perovskites, and rapidly changed the luminescence characteristics. The photoluminescence analyses show that the violet and orange emissions are attributed to (C4H9NH3)2Pb1–xMnxCl4 band-edge emission and the T1→6A1 transition of Mn2+ resulting from an efficient energy transfer process, respectively. Site preference and distribution of the doped Mn2+ cations on the locations of Pb2+ were analyzed. The formation energy calculated by the density functional theory (DFT) indicates that the Mn2+ ions can rapidly enter the crystal lattice due to the unique 2D crystal structure of the hybrid perovskite. Such a case of mechanochemical synthesis for the 2D hybrid perovskite motivates many novel emerging materials and the related applications.

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Держатели документа:
Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing Municipal Key Lab New Energy Mat & Techno, Beijing 100083, Peoples R China.
Beihang Univ, Minist Educ, Sch Phys, Key Lab Micronano Measurement Manipulat & Phys, Beijing 100191, Peoples R China.
RAS, SB, KSC, Lab Crystal Phys,Kirensky Inst Phys,Fed Res Ctr, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.

Доп.точки доступа:
Zhou, Guojun; Guo, Shaoqiang; Zhao, Jing; Molokeev, M. S.; Молокеев, Максим Сергеевич; Liu, Quanlin; Zhang, Junying; Xia, Zhiguo
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