Two photon photosensitizers for PDT: molecular engineering towards understanding of their excited state photophysics

Pierre-Henri Lanoë; Thibault Gallavardin; Bastien Mettra; Cyrille Monnereau; Chantal Andraud

doi:10.1117/12.2007265

8 November 2012 Two photon photosensitizers for PDT: molecular engineering towards understanding of their excited state photophysics

Pierre-Henri Lanoë, Thibault Gallavardin, Bastien Mettra, Cyrille Monnereau, Chantal Andraud

Author Affiliations +

Proceedings Volume 8545, Optical Materials and Biomaterials in Security and Defence Systems Technology IX; 854508 (2012) https://doi.org/10.1117/12.2007265
Event: SPIE Security + Defence, 2012, Edinburgh, United Kingdom

Abstract

We have recently initiated a research project that aims at understanding how systematic variations of the number and positioning of a given Inter-System Crossing (ISC) promoter (1,4-dibromophenyl) along the Intramolecular Charge Transfer (ICT) axis of chromophores will affect the outcome of singlet oxygen production, and how this effect will be related to the nature of the ICT transition. In this communication, this strategy is discussed and we show that a clear influence of the ISC promoter’s position on the chromophore exists, which can be used both to improve the singlet oxygen generation efficiency of the sensitizer, but also its linear and nonlinear spectroscopic features.

Citation Download Citation

Pierre-Henri Lanoë, Thibault Gallavardin, Bastien Mettra, Cyrille Monnereau, and Chantal Andraud "Two photon photosensitizers for PDT: molecular engineering towards understanding of their excited state photophysics", Proc. SPIE 8545, Optical Materials and Biomaterials in Security and Defence Systems Technology IX, 854508 (8 November 2012); https://doi.org/10.1117/12.2007265

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