What does this research mean for the field?

Co-assembly of tetracarboxylated ZnPc and perylene diimide in acidic media enables tunable excited-state lifetimes and room-temperature phosphorescence, which can enhance organic photosensitizers for photodynamic therapy and optoelectronics. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to explore the excited-state properties of ZnPc and PDI in acidic conditions for applications in photodynamic therapy.

February 26, 2026RSC Advances0 citationsOpen Access

Fluorescence and phosphorescence of tetracarboxylated ZnPc–perylene diimide organic systems in highly acidic media

VFVadim Furtună ILIon Bogdan Lungu TPTamara POTLOG

Key Points

This research aims to explore the excited-state properties of ZnPc and PDI in acidic conditions for applications in photodynamic therapy.
Co-assembly of tetracarboxylated zinc phthalocyanine and perylene diimide in acidic TFA/H2O medium.
Measurement of fluorescence and phosphorescence.
Analysis of excited-state lifetimes.
Tunable excited-state lifetimes achieved through co-assembly in acidic media.
Observation of room-temperature phosphorescence.
Proposed design principles for efficient organic photosensitizers.

Abstract

Co-assembly of TcPcZn and EP-PDI in acidic TFA/H 2 O enables tunable excited-state lifetimes and room-temperature phosphorescence, providing design principles for efficient organic photosensitizers in photodynamic therapy and optoelectronics.

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