Characterization and Photophysical Properties of a Luminescent Aluminum Hydride Complex Supported by a <i>β</i>-Diketiminate Ligand

Aluminum hydrides are versatile compounds utilized as reducing agents, precursors of aluminum complexes, and as catalysts for polymerization reactions. However, their photophysical properties have been overlooked, although several luminescent aluminum complexes have been utilized conventionally for...

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Main Authors:	Shunichiro Ito, Kazuo Tanaka, Yoshiki Chujo
Format:	Article
Language:	English
Published:	MDPI AG 2019-08-01
Series:	Inorganics
Subjects:	aluminum dihydrides photophysical property crystallization-induced emission
Online Access:	https://www.mdpi.com/2304-6740/7/8/100

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record_format	Article
spelling	doaj-f5a8bb2d2ff9431c820452bd6c4539682020-11-24T21:21:03ZengMDPI AGInorganics2304-67402019-08-017810010.3390/inorganics7080100inorganics7080100Characterization and Photophysical Properties of a Luminescent Aluminum Hydride Complex Supported by a <i>β</i>-Diketiminate LigandShunichiro Ito0Kazuo Tanaka1Yoshiki Chujo2Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, JapanDepartment of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, JapanDepartment of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, JapanAluminum hydrides are versatile compounds utilized as reducing agents, precursors of aluminum complexes, and as catalysts for polymerization reactions. However, their photophysical properties have been overlooked, although several luminescent aluminum complexes have been utilized conventionally for emitting layers in modern light-emitting devices. Herein, we report the synthesis and photophysical properties of a luminescent <i>β</i>-diketiminate dihydride complex through the reaction between lithium aluminum hydride and the corresponding ligand. The obtained compound exhibits crystallization-induced emission (CIE) properties at room temperature and long-lifetime phosphorescence at 80 K. Our experimental and theoretical investigations suggest that low-energy molecular vibration could play an important role in the realization of the CIE property.https://www.mdpi.com/2304-6740/7/8/100aluminum dihydridesphotophysical propertycrystallization-induced emission
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Shunichiro Ito Kazuo Tanaka Yoshiki Chujo
spellingShingle	Shunichiro Ito Kazuo Tanaka Yoshiki Chujo Characterization and Photophysical Properties of a Luminescent Aluminum Hydride Complex Supported by a <i>β</i>-Diketiminate Ligand Inorganics aluminum dihydrides photophysical property crystallization-induced emission
author_facet	Shunichiro Ito Kazuo Tanaka Yoshiki Chujo
author_sort	Shunichiro Ito
title	Characterization and Photophysical Properties of a Luminescent Aluminum Hydride Complex Supported by a <i>β</i>-Diketiminate Ligand
title_short	Characterization and Photophysical Properties of a Luminescent Aluminum Hydride Complex Supported by a <i>β</i>-Diketiminate Ligand
title_full	Characterization and Photophysical Properties of a Luminescent Aluminum Hydride Complex Supported by a <i>β</i>-Diketiminate Ligand
title_fullStr	Characterization and Photophysical Properties of a Luminescent Aluminum Hydride Complex Supported by a <i>β</i>-Diketiminate Ligand
title_full_unstemmed	Characterization and Photophysical Properties of a Luminescent Aluminum Hydride Complex Supported by a <i>β</i>-Diketiminate Ligand
title_sort	characterization and photophysical properties of a luminescent aluminum hydride complex supported by a <i>β</i>-diketiminate ligand
publisher	MDPI AG
series	Inorganics
issn	2304-6740
publishDate	2019-08-01
description	Aluminum hydrides are versatile compounds utilized as reducing agents, precursors of aluminum complexes, and as catalysts for polymerization reactions. However, their photophysical properties have been overlooked, although several luminescent aluminum complexes have been utilized conventionally for emitting layers in modern light-emitting devices. Herein, we report the synthesis and photophysical properties of a luminescent <i>β</i>-diketiminate dihydride complex through the reaction between lithium aluminum hydride and the corresponding ligand. The obtained compound exhibits crystallization-induced emission (CIE) properties at room temperature and long-lifetime phosphorescence at 80 K. Our experimental and theoretical investigations suggest that low-energy molecular vibration could play an important role in the realization of the CIE property.
topic	aluminum dihydrides photophysical property crystallization-induced emission
url	https://www.mdpi.com/2304-6740/7/8/100
work_keys_str_mv	AT shunichiroito characterizationandphotophysicalpropertiesofaluminescentaluminumhydridecomplexsupportedbyaibidiketiminateligand AT kazuotanaka characterizationandphotophysicalpropertiesofaluminescentaluminumhydridecomplexsupportedbyaibidiketiminateligand AT yoshikichujo characterizationandphotophysicalpropertiesofaluminescentaluminumhydridecomplexsupportedbyaibidiketiminateligand
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Characterization and Photophysical Properties of a Luminescent Aluminum Hydride Complex Supported by a <i>β</i>-Diketiminate Ligand

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