Issue 76, 2016

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

Abstract

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 (ΦΔ = 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.

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

Supplementary files

Article information

Article type
Paper
Submitted
19 apr 2016
Accepted
02 jul 2016
First published
21 jul 2016

RSC Adv., 2016,6, 72115-72120

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

J. Zhou, L. Gai, Z. Zhou, J. Mack, K. Xu, J. Zhao, H. Qiu, K. S. Chan and Z. Shen, RSC Adv., 2016, 6, 72115 DOI: 10.1039/C6RA10131C

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