NDLI: Encapsulation of an iridium complex in a metal–organic framework to give a composite with efficient white light emission

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Inorganic Chemistry Frontiers Vol - 4 Issue - 2

Inorganic Chemistry Frontiers Vol - 4 Issue - 1

Inorganic Chemistry Frontiers Vol -3

Inorganic Chemistry Frontiers Vol -2

Inorganic Chemistry Frontiers Vol -1

Encapsulation of an iridium complex in a metal–organic framework to give a composite with efficient white light emission

Content Provider	Royal Society of Chemistry (RSC)
Author	Lan, Ya-Qian Qin, Jun-Sheng He, Wen-Wen Su, Zhong-Min Du, Dong-Ying Li, Shun-Li Xie, Wei Shao, Kui-Zhan
Copyright Year	2017
Abstract	We successfully synthesized a novel anionic luminescent metal–organic framework (MOF) (NENU-524) with a lonsdaleite topology. NENU-524 contains a trigonal prismatic unit {Zn8(btca)6(2-NH2-bdc)3} that can be regarded as a double secondary building unit with an unusual triply bound triangular frustum geometry. The prepared NENU-524 had a permanent porosity and excellent stability in air. NENU-524 was used as a platform to encapsulate yellow-emitting [Ir(ppy)2(bpy)]+ cations in the nanotube channels of the blue-emitting MOF via an ion-exchange process. The [Ir(ppy)2(bpy)]+@NENU-524 MOF ([Ir(ppy)2(bpy)]+ concentration 3.86 wt%) emitted a pure white light with CIE coordinates of (0.300, 0.336) and a high quantum yield of up to 15.2%. The white light-emitting diodes assembled using [Ir(ppy)2(bpy)]+@NENU-524 as a white phosphor emitted a bright white light, suggesting that the composite is a promising material for use in lighting. The assembled white light-emitting diodes continued to emit a bright white light for up to one month. This simple and feasible approach could be used to develop luminescent luminophor@MOFs composites for practical applications.
Starting Page	547
Ending Page	552
Page Count	6
File Format	HTM / HTML PDF
ISSN	20521553
Volume Number	4
Issue Number	3
Journal	Inorganic Chemistry Frontiers
DOI	10.1039/c6qi00528d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	MOF CIE Northeast Normal University Lonsdaleite Topology Frustum Molecular geometry Porosity International Commission on Illumination Quantum
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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