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Highly efficient near IR photosensitizers based-on Ir–C bonded porphyrin-aza-BODIPY conjugates

机译:基于IR-C粘结的卟啉-AZA-Bodipy缀合物高效附近的IR光敏剂

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Two hybrid organic–metal complexes based-on Ir–C bonded porphyrin-aza-BODIPY conjugates have been facilely synthesized through group 9 iridium porphyrin with an aza-BODIPY axial ligand. The conjugates combine the advantages of the near-IR (NIR) absorption of the aza-BODPY dye (>700 nm) with the efficient singlet oxygen production of iridium porphyrin ( Φ _(Δ) = 79–85%). The experimental results demonstrate that the axial ligand of aza-BODIPY largely affects the optical and photophysical properties of the conjugates due to the strong interaction between 5d orbitals of the Ir( III ) ion and the aza-BODIPY π-system in the ground state, which differs considerably from previous reports.
机译:基于IR-C键合的卟啉-Aza-Bodipy缀合物的两个杂种有机金属配合物通过第9组铱卟啉与Aza-Bodipy轴向配体合成。缀合物将近红外(NIR)吸收的AZA-BODPY染料(> 700nm)的优点与铱卟啉的有效单次氧产生(φ_(δ)= 79-85%)结合起来。实验结果表明,AZA-Bodipy的轴向配体主要影响缀合物的光学和光学性质,由于IR(III)离子的5D轨道和地面状态的AZA-BODIPYπ-系统之间的强相互作用,从以前的报告中大大不同。

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