Publication date: 21st July 2025
Photocatalytic strategies have gained remarkable attention in recent years because of their unique capacity to harness abundant renewable solar energy while maintaining high levels of efficiency and low overall energy consumption. These processes can be carried out under mild and environmentally friendly conditions, making them an attractive alternative to more conventional catalytic approaches that often rely on harsh reagents or costly energy inputs. Consequently, researchers are increasingly focusing on the rational design of eco-friendly heterogeneous photocatalysts that not only exhibit excellent performance but also provide improved practicality, stability, and sustainability for large-scale applications. In this poster, we present our exploration of dye-based nanoparticle dispersions, which act as efficient photocatalysts that can be activated by low-energy near-infrared (NIR) photons. We also highlight our recent progress in the preparation of dye-derived colloidal nanoparticles and examine their application in diverse organic transformations promoted by visible and NIR light. Special emphasis is placed on their photophysical properties, investigated using advanced optical spectroscopic techniques [1,2]. Finally, we compare the catalytic efficiencies of these nanoparticles with those of the corresponding dye powders, drawing attention to critical similarities and differences that reveal the intricate relationship between photophysical behavior and photocatalytic performance.
We acknowledge financial support from Generalitat Valenciana under the Plan GenT programme (CIDEIG/2023/17), IDIFEDER/2018/064, and CIPROM/2022/57. PID2023-152131NB-I00 and CEX2024-001467-M (funded by MICIU/AEI/10.13039/501100011033 and by “ERDF/EU”).
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