π-extended porphyrin dimers as efficient near-infrared emitters and two-photon absorbers

被引：15
|
作者：
Schmitt, Julie [1 ]
Heitz, Valerie [1 ]
Jenni, Sebastien [1 ]
Sour, Angelique
Bolze, Frederic [2 ]
Ventura, Barbara [3 ]
机构：
[1] Univ Strasbourg, Lab Synth Assemblages Mol Multifonct, Inst Chim Strasbourg, CNRS UMR 7177, Strasbourg, France
[2] Univ Strasbourg, Fac Pharm, CAMB, UMR 7199,UdS CNRS, Illkirch Graffenstaden, France
[3] Ist ISOF CNR, Bologna, Italy
来源：
SUPRAMOLECULAR CHEMISTRY | 2017年 / 29卷 / 11期
基金：
欧盟地平线“2020”;
关键词：
Porphyrin; diketopyrrolopyrrole; near-infrared emitter; two-photon absorption; PHOTOPHYSICAL PROPERTIES; PHOTODYNAMIC THERAPY; ABSORPTION; STATE; CONJUGATION; DERIVATIVES; FLUOROPHORE; ARRAYS; OXYGEN;
D O I：
10.1080/10610278.2017.1377837
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A Zn-porphyrin dimer and its linear conjugate with two diketopyrrolopyrrole (DPP) units have been prepared and their one- and two-photon photophysical properties have been characterised. The already wide conjugation of the dimer is further extended in the DPP containing derivative, leading to absorption and emission features in the near-infrared. The fluorescence quantum yield of the two compounds is of the order of 0.20 in organic solvents, a remarkable value for NIR emitting Zn-porphyrin systems. High two-photon absorption cross sections of 10,000 GM and 21,500 GM are measured at 910nm for the dimer and the DPP conjugate, respectively, making these dimers promising for two-photon excited fluorescence imaging applications. [GRAPHICS] .
引用
收藏
页码：769 / 775
页数：7
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