Abstract
A comprehensive overview on the main applications of state-of-the-art computational methodologies to the simulation of Dye- Sensitized Solar Cells (DSSCs) based on metal-free organic dyes is reported. The presented results cover two crucial aspects that should be carefully taken into account in the design of novel and highly efficient sensitizers, namely the electronic structure of the dye (spectroscopic and redox properties) and its interactions with the TiO2 surface. Concerning the electronic structure calculations, our results demonstrate that a proper TDDFT formulation can successfully describe the excited state properties of a series of organic dye sensitizers, yielding results of comparable quality to high-level correlated ab initio calculations. Our work on the adsorption and aggregation of organic dyes on TiO2 surfaces show that the adopted integrated computational strategies and models can realistically simulate and predict the interaction of the dyes with the TiO2 substrate, thus underlying the main factors responsible of DSSC efficiency.
Keywords: Aggregation, Charge-transfer, DSSCs, Organic dyes, TDDFT, TiO2 models
Call for Papers in Thematic Issues
Exploring the Role of Chemical Graph Theory in Advancing Current Organic Synthesis
Organic synthesis is a fundamental discipline in chemistry, crucial for the creation of complex molecules with diverse applications in pharmaceuticals, materials science, and beyond. However, the process of designing efficient synthetic routes for target molecules remains challenging. Chemical graph theory, a branch of theoretical chemistry, offers powerful tools for understanding ...read more
Photoswitches for Molecular Recognition
This Special Issue would cover the hot topics on synthesis and chemical and photophysical characterization of new photoswitchable derivatives and their applications on molecular recognition of metabolites and biological active compounds, both in physiological medium and in living cells. Photoswitches are compounds that can change their conformation or properties in ...read more
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