Porphyrin-Ryleneimide Hybrids: Low-Bandgap Acceptors in Energy-Transfer Cassettes.,Chemistry - An Asian Journal

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Porphyrin-Ryleneimide Hybrids: Low-Bandgap Acceptors in Energy-Transfer Cassettes.
Chemistry - An Asian Journal ( IF 3.5 ) Pub Date : 2020-07-15 , DOI: 10.1002/asia.202000762
Ewelina Janiga ₁ , Gakhyun Kim ₂ , Piotr J Chmielewski ₁ , Tadeusz Lis ₁ , Dongho Kim ₂ , Marcin Stępień ₁

Affiliation

Energy‐transfer cassettes consisting of naphthaleneimide‐fused metalloporphyrin acceptors (M=Zn and Pd) and BODIPY donors have been designed and synthesized. These systems have rigid pseudo‐tetrahedral structures with a donor‐acceptor separation of ca. 17.5 Å. Spectroscopic investigations, including femtosecond transient absorption measurements, showed efficient excitation energy transfer (EET) occurring according to the Förster mechanism. Strong fluorescence of the donor units and significant spectral overlap of the donor and acceptor subunits are prerequisites for the efficient EET in these systems.

中文翻译：

卟啉-苯二甲酰亚胺杂化物：能量转移盒中的低带隙受体。

设计并合成了由萘酰亚胺熔融的金属卟啉受体（M = Zn和Pd）和BODIPY供体组成的能量传递盒。这些系统具有刚性的伪四面体结构，供体-受体间隔为ca。17.5Å。包括飞秒瞬态吸收测量在内的光谱研究表明，根据Förster机制发生了有效的激发能量转移（EET）。供体单元的强荧光以及供体和受体亚基的明显光谱重叠是这些系统中有效EET的前提。

更新日期：2020-09-14

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