Acid-triggering of light-induced charge-separation in hybrid organic/inorganic molecular photoactive dyads for harnessing solar energy
Elisabetta Benazzi, Joshua K. G. Karlsson, Youssef Ben M’Barek, Pavel Chábera, Sébastien Blanchard, Sandra Alvès, Anna Proust, Tõnu Pullerits, Guillaume Izzet, Elizabeth A. Gibson
Abstract
H<sup>+</sup>modulated charge-transfer in photoexcited covalently linked W and Mo Keggin-bodipy conjugates is demonstrated using transient absorption spectroscopy and photoluminescence. Adding acid switches on (W) or accelerates (Mo) charge separation.
Topics & Concepts
PhotoluminescenceUltrafast laser spectroscopyCovalent bondBODIPYPhotochemistryCharge (physics)SpectroscopyMaterials scienceAbsorption (acoustics)Absorption spectroscopyOptoelectronicsChemistryFluorescenceOrganic chemistryOpticsPhysicsComposite materialQuantum mechanicsPolyoxometalates: Synthesis and ApplicationsPorphyrin and Phthalocyanine ChemistryAdvanced Photocatalysis Techniques