ArticleChemphyschem : a European journal of chemical physics and physical chemistry2026
Tailoring the Photophysical Properties of Meso-Tetra(4-sulfonatophenyl)porphyrin-Graphene Hybrids Through Surface Conjugation and Polymeric Stabilization.
Article in Chemphyschem : a European journal of chemical physics and physical chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The noncovalent interactions between meso-tetra(4-sulfonatophenyl)porphyrin (TPPS) and graphene-based materials, including graphene oxide (GO), reduced GO (RGO), and RGO modified with Pluronic P123 (RGO-P123), were systematically investigated. These types of hybrid nanostructures are of significant interest for various applications, including photocatalysis or biomedical applications, due to their ability to enhance light-driven processes and improve the efficiency of drug delivery. Absorption, emission, femtosecond transient absorption, and nanosecond transient absorption spectroscopy, along with structural analyses, demonstrated that TPPS interacts more strongly with RGO than with GO. This is attributed to enhanced π-π stacking interactions between the porphyrin macrocycle and the highly conjugated surface of RGO. The presence of Pluronic 123 in the TPPS-RGO system led to an improvement in dispersion stability, which is a critical factor for maintaining the long-term functionality of these materials. The study provides insights into the fundamental aspects of noncovalent interactions in porphyrin-graphene systems, highlighting their potential for designing advanced materials with tailored photocatalytic and biomedical properties.
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