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Cited by 301

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Alignment of the dye’s molecular levels with the TiO2band edges in dye-sensitized solar cells: a DFT–TDDFT study

De Angelis, Filippo, Fantacci, Simona, Selloni, Annabella·2008·Nanotechnology

Abstract

We present a theoretical study of the lineup of the LUMO of Ru(II)-polypyridyl (N3 and N719) molecular dyes with the conduction band edge of a TiO(2) anatase nanoparticle. We use density functional theory (DFT) and the Car-Parrinello scheme for efficient optimization of the dye-nanoparticle systems, followed by hybrid B3LYP functional calculations of the electronic structure and time-dependent DFT (TDDFT) determination of the lowest vertical excitation energies. The electronic structure and TDDFT calculations are performed in water solution, using a continuum model. Various approximate procedures to compute the excited state oxidation potential of dye sensitizers are discussed. Our calculations show that the level alignment for the interacting nanoparticle-sensitizer system is very similar, within about 0.1 eV, to that for the separated TiO(2) and dye. The excellent agreement of our results with available experimental data indicates that the approach of this work could be used as an efficient predictive tool to help the optimization of dye-sensitized solar cells.

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Metadata

Authors
De Angelis, F., Fantacci, S., & Selloni, A.
Venue
Nanotechnology
Published
2008-09-25
Volume
19
Issue
42
Pages
424002
ISSN
  • 0957-4484 (ISSN-L)
  • 1361-6528
OpenAlex
W2082536083
Cited by
301
References
37
FWCI
9.05
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Alignment of the dye’s molecular levels with the TiO2band edges in dye-sensitized solar cells: a DFT–TDDFT study. https://app.cochat.ai/papers/10.1088/0957-4484/19/42/424002
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De Angelis, F., Fantacci, S., & Selloni, A. (2008). Alignment of the dye’s molecular levels with the TiO2band edges in dye-sensitized solar cells: a DFT–TDDFT study. Nanotechnology. https://doi.org/10.1088/0957-4484/19/42/424002

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