Application of an inverse-design method to optimizing porphyrins in dye-sensitized solar cells

Physical Chemistry Chemical Physics : PCCP
Chencheng FanYaqing Feng

Abstract

Dye-sensitized solar cells (DSSCs) have attracted much interest during the past few decades. However, it is still a tremendous challenge to identify organic molecules that give an optimal power conversion efficiency (PCE). Here, we apply our recently developed, inverse-design method for this issue with the special aim of identifying porphyrins with promisingly high PCE. It turns out that the calculations lead to the prediction of 15 new molecules with optimal performances and for which none so far has been studied. These porphyrin derivatives will in the near future be synthesized and subsequently tested experimentally. Our inverse-design approach, PooMa, is based on the strategy of providing suggestions for molecular systems with optimal properties. PooMa has been developed as a tool that requires minimal resources and, therefore, builds on various approximate methods. It uses genetic algorithm to screen thousands (or often more) of molecules. For each molecule, the density-functional tight-binding (DFTB) method is used for calculating the electronic properties. In the present work, five different electronic properties are determined, all of which are related to optical performance. Subsequently, a quantitative structure-prope...Continue Reading

References

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Dec 24, 2017·The Journal of Chemical Physics·Kai HuwigMichael Springborg

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Citations

Nov 5, 2019·Molecular Informatics·Philippe GantzerCarlos Nieto-Draghi
Aug 19, 2021·Journal of Chemical Information and Modeling·Philippe GantzerCarlos Nieto-Draghi
Jul 19, 2020·Journal of Molecular Graphics & Modelling·Abdullah S KhazaalKai Huwig

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Software Mentioned

Gaussian09
Multiwfn
PooMa

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