Singlet oxygen is a highly reactive oxygen species known for its strong oxidative properties. Certain materials, known as singlet oxygen generators, produce this compound when exposed to light and in the presence of oxygen. These generators are sometimes found in the pigments used in historical paintings. The singlet oxygen they produce can significantly impact the preservation of these artworks, as it reacts with binding media and other pigments, leading to degradation processes that threaten their integrity.
The primary objective of the PHOTOELECTROART project is to investigate the photo-reactivity of artistic pigments that generate singlet oxygen and to explore how this understanding can enhance the preservation of historical paintings containing these pigments. PHOTOELECTROART will employ an interdisciplinary approach, integrating photochemistry and infrared spectroscopy, including IR nanospectroscopy.
The outcomes of this research will profoundly enhance our understanding of the role of singlet oxygen in the deterioration of historical paintings. By providing detailed insights into the degradation reactions that have occurred over time, the project will help identify effective preservation strategies for cultural heritage. Additionally, the findings will offer new information on the conditions that promote singlet oxygen generation from these pigments, contributing to innovative applications in fields such as wastewater treatment and medical therapies, where high singlet oxygen production is beneficial.
