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Unraveling the Ultrafast Self-assembly and Photoluminescence in Zero-Dimensional Mn2+-Based Halides with Narrow-Band Green Emissions : научное издание

Описание

Тип публикации: статья из журнала

Год издания: 2021

Идентификатор DOI: 10.1021/acsaelm.1c00606

Ключевые слова: zero-dimensional mn2+-based halides, ultrafast self-assembly, photoluminescence, white leds, solid-state displays

Аннотация: The discovery of narrow-band luminescent materials remains an immense challenge to optimize the performance of white light-emitting diodes (LEDs). So far, the zero-dimensional (0D) Mn2+-based halides with near-unity narrow-band emissions have emerged as a class of promising phosphors in solid-state displays, but the related large-sПоказать полностьюcale synthesis strategies have not been proposed and evaluated. Herein, we report an in situ synthetic process of 0D Mn2+-based halides and utilize (C20H20P)(2)MnBr4 as a case to investigate the photoluminescence characteristics and the structural essence of ultrafast self-assembly. The bright green emission peak at 523 nm with a full width at half maximum of 48 nm for (C20H20P)(2)MnBr4 is attributed to the d-d transition (T-4(1)-(6)A(1)) of tetrahedrally coordinated [MnBr4](2-) centers, and the fabricated white LED device shows a wide color gamut of 103.7% National Television System Committee (NTSC) standard. Remarkably, the experimental and theoretical results indicate that there are hydrogen bonding of C-H center dot center dot center dot Br and weak van der Waals interactions between [C20H20P]+ and [MnBr4](2-), resulting in the root for the realization of ultrafast self-assembly in 0D Mn2+-based halides. This work reveals a feasible and general synthesis method for preparing 0D Mn2+-based halides, thereby providing a possibility for their industrial application in solid-state displays.

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Издание

Журнал: ACS APPLIED ELECTRONIC MATERIALS

Выпуск журнала: Vol. 3, Is. 9

Номера страниц: 4144-4150

ISSN журнала: 26376113

Место издания: WASHINGTON

Издатель: AMER CHEMICAL SOC

Персоны

  • Zhou Guojun (Shanxi Normal Univ, Key Lab Magnet Mol & Magnet Informat Mat, Minist Educ, Sch Chem & Mat Sci, Linfen 041004, Shanxi, Peoples R China)
  • Ren Qiqiong (Shanxi Normal Univ, Key Lab Magnet Mol & Magnet Informat Mat, Minist Educ, Sch Chem & Mat Sci, Linfen 041004, Shanxi, Peoples R China)
  • Molokeev Maxim S. (Fed Res Ctr KSC SB RAS, Lab Crystal Phys, Kirensky Inst Phys, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Krasnoyarsk 660041, Russia; Kemerovo State Univ, Res & Dev Dept, Kemerovo 650000, Russia)
  • Zhou Yayun (South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China; South China Univ Technol, Inst Opt Commun Mat, Guangzhou 510641, Guangdong, Peoples R China)
  • Zhang Jian (Shanxi Normal Univ, Key Lab Magnet Mol & Magnet Informat Mat, Minist Educ, Sch Chem & Mat Sci, Linfen 041004, Shanxi, Peoples R China)
  • Zhang Xian-Ming (Shanxi Normal Univ, Key Lab Magnet Mol & Magnet Informat Mat, Minist Educ, Sch Chem & Mat Sci, Linfen 041004, Shanxi, Peoples R China; Taiyuan Univ Technol, Coll Chem & Chem Engn, Key Lab Interface Sci & Engn Adv Mat, Minist Educ, Taiyuan 030024, Shanxi, Peoples R China)

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