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Synthesis and Photoluminescence Properties of Nonanuclear Tb(III) Clusters with Long Alkyl Chain Group

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Title: Synthesis and Photoluminescence Properties of Nonanuclear Tb(III) Clusters with Long Alkyl Chain Group
Authors: Omagari, Shun Browse this author
Nakanishi, Takayuki Browse this author
Kitagawa, Yuichi Browse this author
Fushimi, Koji Browse this author →KAKEN DB
Hasegawa, Yasuchika Browse this author →KAKEN DB
Keywords: Photoluminescence
Issue Date: 14-Feb-2015
Publisher: Surface Science Society of Japan
Journal Title: e-Journal of Surface Science and Nanotechnology
Volume: 13
Start Page: 27
End Page: 30
Publisher DOI: 10.1380/ejssnt.2015.27
Abstract: Series of nonanuclear Tb(III) clusters with ligands of different length of alkyl chain groups and their photophysical properties are demonstrated. The nonanuclear Tb(III) clusters (Tb9 clusters) are composed of nine oxygen-bridged Tb(III) ions and sixteen alkyl salicylate ligands, where alkyl chain are ethyl (Tb9-Et), propyl (Tb9-Pr), butyl (Tb9-Bu), and hexyl (Tb9-Hex) groups. The luminescence properties of the Tb9 clusters are characterized by absorption spectra, emission quantum yields, and emission lifetimes. The radiative (kr) and nonradiative (knr) rate constants were calculated from their photophysical properties. Tb9-Hex have shown the highest kr (859 s-1) and lowest knr (137 s-1), owing to the tight packing due to CH-π interaction by long alkyl chains.
Rights: ©2015 The Surface Science Society of Japan
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 長谷川 靖哉

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