Nouf Alharbi
The adsorption and XPS of triphenylamine-based organic dye molecules on rutile TiO2(110) prepared by UHV-compatible electrospray deposition
Alharbi, Nouf; Hart, Jack; O'Shea, James N.
Abstract
We present an X-ray photoelectron spectroscopy (XPS) study of a series of organic triphenylamine-based organic dye molecules (D5, SC4 and R6) deposited onto an atomically clean TiO2(110) single crystal surface by vacuum-compatible electrospray deposition. Coverages from sub-monolayer to few-layer are explored to determine the nature of the adsorption bond to the surface. In all three cases the dyes are found to anchor to the oxide surface via the deprotonation of the carboxylic group with little evidence of secondary bonding interactions. The XPS measurements show the intact deposition of the dyes onto the surface in a UHV environment facilitating the study of these model dye-sensitised solar cell systems using surface science techniques.
Citation
Alharbi, N., Hart, J., & O'Shea, J. N. (2023). The adsorption and XPS of triphenylamine-based organic dye molecules on rutile TiO2(110) prepared by UHV-compatible electrospray deposition. Surface Science, 735, Article 122323. https://doi.org/10.1016/j.susc.2023.122323
Journal Article Type | Article |
---|---|
Acceptance Date | May 16, 2023 |
Online Publication Date | May 20, 2023 |
Publication Date | 2023-09 |
Deposit Date | Jul 4, 2023 |
Publicly Available Date | May 21, 2024 |
Journal | Surface Science |
Print ISSN | 0039-6028 |
Electronic ISSN | 1879-2758 |
Publisher | Elsevier BV |
Peer Reviewed | Peer Reviewed |
Volume | 735 |
Article Number | 122323 |
DOI | https://doi.org/10.1016/j.susc.2023.122323 |
Keywords | Dye sensitised solar cells; XPS; Electrospray deposition; Titanium dioxide; Complex molecules |
Public URL | https://nottingham-repository.worktribe.com/output/21112857 |
Publisher URL | https://www.sciencedirect.com/science/article/abs/pii/S0039602823000766?via%3Dihub |
Files
This file is under embargo until May 21, 2024 due to copyright restrictions.
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