Photophysical investigation of near infrared emitting lanthanoid complexes incorporating tris(2-naphthoyl)methane as a new antenna ligand

Laura Abad Galán; Satoshi Wada; Lee Cameron; Alexandre Sobolev; Yasuchika Hasegawa; Eli Zysman-Colman; Mark Ogden; Massimiliano Massi

doi:10.1039/C8DT04749A

Photophysical investigation of near infrared emitting lanthanoid complexes incorporating tris(2-naphthoyl)methane as a new antenna ligand

Laura Abad Galán, Satoshi Wada, Lee Cameron, Alexandre Sobolev, Yasuchika Hasegawa, Eli Zysman-Colman, Mark Ogden, Massimiliano Massi

Research output: Contribution to journal › Article › peer-review

Abstract

A conjugated β-triketone, tris(2-naphthoyl)methane (tnmH), has been synthesized and successfully utilized as an antenna moiety for sensitization of the trivalent lanthanoids Eu³⁺, Sm³⁺, Yb³⁺ and Nd³⁺, in an isomorphous series of mononuclear complexes formulated as [Ln(tnm)₃(DMSO)₂] (Ln³⁺ = Nd³⁺, Sm³⁺, Eu³⁺, Gd³⁺ and Yb³⁺). The photophysical properties of the materials were characterized as comprehensively as possible, with overall quantum yields, intrinsic quantum yields based on calculated radiative decays, and sensitization efficiencies reported. This investigation improves understanding of the sensitization processes occurring in the near-infrared (NIR) region systems in particular, where quantitative data is currently scarce. In fact, the [Yb(tnm)₃(DMSO)₂] and its deuterated analogue, [Yb(tnm)₃(d₆-DMSO)₂], present high values of overall quantum yield of 4% and 6%, respectively, which makes them useful and readily accessible references for future investigation of NIR-emitting systems.

Original language	English
Pages (from-to)	3768-3776
Journal	Dalton Transactions
Volume	48
Issue number	11
Early online date	7 Feb 2019
DOIs	https://doi.org/10.1039/C8DT04749A
Publication status	Published - 21 Mar 2019

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Galan_2019_DT_Photophysical_AAM
Copyright © 2019 The Author(s). This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1039/C8DT04749A
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@article{67ba9c65fecf4bcabd13bcd97a05f430,

title = "Photophysical investigation of near infrared emitting lanthanoid complexes incorporating tris(2-naphthoyl)methane as a new antenna ligand",

abstract = "A conjugated β-triketone, tris(2-naphthoyl)methane (tnmH), has been synthesized and successfully utilized as an antenna moiety for sensitization of the trivalent lanthanoids Eu3+, Sm3+, Yb3+ and Nd3+, in an isomorphous series of mononuclear complexes formulated as [Ln(tnm)3(DMSO)2] (Ln3+ = Nd3+, Sm3+, Eu3+, Gd3+ and Yb3+). The photophysical properties of the materials were characterized as comprehensively as possible, with overall quantum yields, intrinsic quantum yields based on calculated radiative decays, and sensitization efficiencies reported. This investigation improves understanding of the sensitization processes occurring in the near-infrared (NIR) region systems in particular, where quantitative data is currently scarce. In fact, the [Yb(tnm)3(DMSO)2] and its deuterated analogue, [Yb(tnm)3(d6-DMSO)2], present high values of overall quantum yield of 4\% and 6\%, respectively, which makes them useful and readily accessible references for future investigation of NIR-emitting systems.",

author = "\{Abad Gal{\'a}n\}, Laura and Satoshi Wada and Lee Cameron and Alexandre Sobolev and Yasuchika Hasegawa and Eli Zysman-Colman and Mark Ogden and Massimiliano Massi",

note = "This research was partially supportedby the Australian Research Council's Discovery Projects funding scheme (project DP17010189), and a Royal Society International Exchanges Grant. EZ-C thanks EPSRC (EP/M02105X/1) for support. L.A.G thanks Curtin University for the postgraduate scholarship.",

year = "2019",

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doi = "10.1039/C8DT04749A",

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T1 - Photophysical investigation of near infrared emitting lanthanoid complexes incorporating tris(2-naphthoyl)methane as a new antenna ligand

AU - Abad Galán, Laura

AU - Wada, Satoshi

AU - Cameron, Lee

AU - Sobolev, Alexandre

AU - Hasegawa, Yasuchika

AU - Zysman-Colman, Eli

AU - Ogden, Mark

AU - Massi, Massimiliano

N1 - This research was partially supportedby the Australian Research Council's Discovery Projects funding scheme (project DP17010189), and a Royal Society International Exchanges Grant. EZ-C thanks EPSRC (EP/M02105X/1) for support. L.A.G thanks Curtin University for the postgraduate scholarship.

PY - 2019/3/21

Y1 - 2019/3/21

N2 - A conjugated β-triketone, tris(2-naphthoyl)methane (tnmH), has been synthesized and successfully utilized as an antenna moiety for sensitization of the trivalent lanthanoids Eu3+, Sm3+, Yb3+ and Nd3+, in an isomorphous series of mononuclear complexes formulated as [Ln(tnm)3(DMSO)2] (Ln3+ = Nd3+, Sm3+, Eu3+, Gd3+ and Yb3+). The photophysical properties of the materials were characterized as comprehensively as possible, with overall quantum yields, intrinsic quantum yields based on calculated radiative decays, and sensitization efficiencies reported. This investigation improves understanding of the sensitization processes occurring in the near-infrared (NIR) region systems in particular, where quantitative data is currently scarce. In fact, the [Yb(tnm)3(DMSO)2] and its deuterated analogue, [Yb(tnm)3(d6-DMSO)2], present high values of overall quantum yield of 4% and 6%, respectively, which makes them useful and readily accessible references for future investigation of NIR-emitting systems.

AB - A conjugated β-triketone, tris(2-naphthoyl)methane (tnmH), has been synthesized and successfully utilized as an antenna moiety for sensitization of the trivalent lanthanoids Eu3+, Sm3+, Yb3+ and Nd3+, in an isomorphous series of mononuclear complexes formulated as [Ln(tnm)3(DMSO)2] (Ln3+ = Nd3+, Sm3+, Eu3+, Gd3+ and Yb3+). The photophysical properties of the materials were characterized as comprehensively as possible, with overall quantum yields, intrinsic quantum yields based on calculated radiative decays, and sensitization efficiencies reported. This investigation improves understanding of the sensitization processes occurring in the near-infrared (NIR) region systems in particular, where quantitative data is currently scarce. In fact, the [Yb(tnm)3(DMSO)2] and its deuterated analogue, [Yb(tnm)3(d6-DMSO)2], present high values of overall quantum yield of 4% and 6%, respectively, which makes them useful and readily accessible references for future investigation of NIR-emitting systems.

UR - https://www.scopus.com/pages/publications/85062833289

U2 - 10.1039/C8DT04749A

DO - 10.1039/C8DT04749A

M3 - Article

SN - 1477-9226

VL - 48

SP - 3768

EP - 3776

JO - Dalton Transactions

JF - Dalton Transactions

IS - 11

ER -

Photophysical investigation of near infrared emitting lanthanoid complexes incorporating tris(2-naphthoyl)methane as a new antenna ligand

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