Photophysical properties of near-infrared-emitting Ln(III) complexes with 1-(9-anthryl)-4,4,4-trifluoro-1,3-butandione (Ln = Nd and Er)

Nah MK; Cho HG; Kwon HJ; Kim YJ; Park C; Kim HK; Kang JG

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Photophysical properties of near-infrared-emitting Ln(III) complexes with 1-(9-anthryl)-4,4,4-trifluoro-1,3-butandione (Ln = Nd and Er)

机译：具有1-（9-蒽基）-4,4,4-三氟-1,3-丁二酮（Ln = Nd和Er）的近红外发射Ln（III）配合物的光物理性质

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We report the synthesis and photophysical properties of Nd(III) and Er(III) complexes with 1-(9-anthryl)-4,4,4-trifluoro-1,3-butandione (9-ATFB). The complexes of [Nd(9-ATFB)(4)](-) and [Er(9-ATFB)(4)](-) produced sensitized near-infrared (NIR) luminescence via the excitation of anthracene. This suggests that the intramolecular energy transfer occurred from the singlet excited state of anthracene to the resonance levels of the metal ions, since the phosphorescence of anthracene is forbidden under normal conditions. The observed quantum yield of the visible luminescence showed that the energy transfer is more efficient for [Nd(9-ATFB)(4)](-) than for [Er(9-ATFB)(4)](-). The lifetimes of the NIR luminescence of the complexes were in the microsecond range. The quantum yields of the sensitized NIR of the complexes were estimated using the lifetime and the energy-transfer quantum yield.

机译：我们报告的合成和Nd（III）和Er（III）与1-（9-蒽）-4,4,4-三氟-1,3-丁二酮（9-ATFB）配合物的光物理性质。 [Nd（9-ATFB）（4）]（-）和[Er（9-ATFB）（4）]（-）的络合物通过蒽的激发产生敏化的近红外（NIR）发光。这表明分子内的能量转移从蒽的单重激发态到金属离子的共振能级发生，因为在正常条件下蒽的磷光被禁止。观察到的可见光的量子产率表明，[Nd（9-ATFB）（4）]（-）的能量转移比[Er（9-ATFB）（4）]（-）的能量转移更有效。配合物的NIR发光寿命在微秒范围内。使用寿命和能量转移量子产率估算复合物的敏化NIR的量子产率。

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《The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory》 |2006年第35期|共4页
作者
Nah MK; Cho HG; Kwon HJ; Kim YJ; Park C; Kim HK; Kang JG;
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RARE-EARTH IONS; ENERGY-TRANSFER; ARRAYS; YIELD;

机译：稀土离子;能量传递;阵列;产量;

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1. Photophysical properties of near-infrared-emitting Ln(III) complexes with 1-(9-anthryl)-4,4,4-trifluoro-1,3-butandione (Ln = Nd and Er) [J] . Nah MK, Cho HG, Kwon HJ, The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory . 2006,第35期

机译：具有1-（9-蒽基）-4,4,4-三氟-1,3-丁二酮（Ln = Nd和Er）的近红外发射Ln（III）配合物的光物理性质
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Photophysical properties of near-infrared-emitting Ln(III) complexes with 1-(9-anthryl)-4,4,4-trifluoro-1,3-butandione (Ln = Nd and Er)

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