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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.chemmater.0c04097
|2 doi
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|a pubmed24n1080.xml
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|a (NLM)33867665
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Cortecchia, Daniele
|e verfasserin
|4 aut
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| 245 |
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|a Layered Perovskite Doping with Eu3+ and β-diketonate Eu3+ Complex
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 21.04.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 The Authors. Published by American Chemical Society.
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|a Metal halide perovskites are attracting great interest for the fabrication of light-emitting devices encompassing light-emitting diodes, lasers, and scintillators. As the field develops, perovskite doping emerges as a promising way to enrich the material functionalities and enhance the luminescence yield and tunability. While Mn+2 addition has been well explored, doping with lanthanides has received less attention, even though their intense and line-like luminescence is interesting for a wide range of applications. In this work, we study the doping of NMA2PbBr4 layered perovskites with Eu3+ and Eu3+ tetrakis β-diketonate complex. By exploiting the antenna effect of the naphthalene-based functional cation (NMA = 1-naphtylmethylammonium), direct sensitization of Eu3+ is obtained; nevertheless, it is not very efficient due to the non-optimal energy level alignment with the resonance acceptor level of the lanthanide. Protection of Eu3+ in the form of tetrakis β-diketonate complex grants a more ideal coordination geometry and energetic landscape for the energy transfer to europium in the perovskite matrix, allowing for a nearly 30-fold improvement in luminescence yield. This work sets the basis for new synthetic strategies for the design of functional perovskite/lanthanide host-guest systems with improved luminescence properties
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|a Journal Article
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1 |
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|a Mróz, Wojciech
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Folpini, Giulia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Borzda, Tetiana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leoncino, Luca
|e verfasserin
|4 aut
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1 |
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|a Alvarado-Leaños, Ada Lili
|e verfasserin
|4 aut
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| 700 |
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|a Speller, Emily Mae
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Petrozza, Annamaria
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 33(2021), 7 vom: 13. Apr., Seite 2289-2297
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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| 773 |
1 |
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|g volume:33
|g year:2021
|g number:7
|g day:13
|g month:04
|g pages:2289-2297
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|u http://dx.doi.org/10.1021/acs.chemmater.0c04097
|3 Volltext
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