Synthesis of porphyrin dendrimers via Heck reaction and their photovoltaic properties

被引：4

作者：

Organista-Mateos, Ulises ^{[1
]}

Martinez-Klimov, Mark E. ^{[1
]}

Pedro-Hernandez, Luis D. ^{[1
]}

Borja-Miranda, Andres ^{[1
]}

Cortez-Maya, Sandra ^{[1
]}

Hernandez-Ortega, Simon ^{[1
]}

Martinez-Garcia, Marcos ^{[1
]}

机构：

[1] Univ Nacl Autanoma Mexico, Ciudad Univ, Inst Quim, Circuito Exterior, Coyoacan 04510, CD, Mexico

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2017年 / 343卷

关键词：

Porphyrin; Heck reaction; OPV; Photovoltaic properties; FLUORESCENCE QUANTUM YIELDS; ENERGY-TRANSFER; ELECTRON-TRANSFER; ASSEMBLIES; SYSTEMS; C-60;

D O I：

10.1016/j.jphotochem.2017.04.020

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Porphyrins meso-substituted with p-phenylene vinylene (OPV) were synthesized. The porphyrin dendrimers obtained showed a strong dependence on the type of connection of the dendritic branches. In the instance of the all trans-conformation linkages, an H-type aggregate is obtained for the linear OPV and strongJ-aggregate for the ramified OPV. An adequate intramolecular energy transference stemming from the OPVs (donors) to the respective cores was observed. Furthermore, the number oligo(p-phenylene vinylene) (OPV) groups linked to the porphyrin system increase the energy transfer efficiency. This behavior also was observed in the photovoltaic studies. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：58 / 65

页数：8

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