Metal-organic framework supported carbon quantum dots as white light-emitting phosphor - Details

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Abstract：

The　growing　environmental　concerns　regarding　rare　earth　elements　in　fluorescent　powders,　along　with　high　production　costs,　have　increased　the　demand　for　sustainable　alternatives.　We　propose　a　promising　solution　using　luminescent　metal-organic　frameworks　(LMOFs)　with　large　surface　areas　and　tunable　pore　structures,　combined　with　organic　carbon　quantum　dots　(CQDs).　This　study　develops　a　novel　white　light-emitting　diode　(WLED)　fluorescent　powder　by　incorporating　yellow-fluorescent　quantum　dots　(CQDs-Y)　into　blue-emitting　LMOF　(ZJU-28),　forming　the　composite　material　CQDs-Y-n@ZJU-28.　The　composite　exhibits　excellent　thermal　and　chemical　stability,　long-term　storage　performance,　and　emits　warm　white　light　(CIE:　0.3277,　0.3281)　when　subjected　to　excitation　at　365　nm,　along　with　an　external　quantum　efficiency　(EQE)　of　8.85　%.　Furthermore,　it　exhibits　tunable　emission　characteristics　and　promising　LED　performance,　showcasing　a　color　rendering　index　(CRI)　of　78　and　a　correlated　color　temperature　of　3384　K.　The　emitted　light　undergoes　minimal　deviation　in　color　towards　the　white　end　of　the　spectrum　in　the　temperature　range　of　277–437　K,　making　it　an　ideal　candidate　for　advanced　WLED　applications.　©　2025

Keyword：

Carbon quantum dots CIE Fluorescence resonance energy transfer Luminescent materials Metal organic frameworks White light-emitting diode

Community：

[ 1 ] [Tong X.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 2 ] [Tong X.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 3 ] [Liu J.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 4 ] [Liu J.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 5 ] [Zhao Y.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 6 ] [Zhao Y.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 7 ] [Li J.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 8 ] [Li J.]University of Chinese Academy of Sciences, Beijing, 100049, China
[ 9 ] [Li J.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China
[ 10 ] [Tian Y.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 11 ] [Tian Y.]University of Chinese Academy of Sciences, Beijing, 100049, China
[ 12 ] [Liu Q.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 13 ] [Liu Q.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 14 ] [Gao S.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 15 ] [Gao S.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 16 ] [Gao S.]University of Chinese Academy of Sciences, Beijing, 100049, China
[ 17 ] [Cao R.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 18 ] [Cao R.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
[ 19 ] [Cao R.]University of Chinese Academy of Sciences, Beijing, 100049, China
[ 20 ] [Cao R.]Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, China

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Source ：

Chinese Chemical Letters

ISSN： 1001-8417

Year： 2025

Issue： 7

Volume： 36

9 . 4 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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