Investigations of Crucial Factors for the Non‐Covalent Functionalization of Black Phosphorus (BP) using Perylene Diimide Derivatives for the Passivation of BP Nanosheets

The non-covalent functionalization of black phosphorus (BP) was studied with a scope of ten tailor-made perylene diimides (PDIs). A combination of UV/Vis-, fluorescence-, as well as Raman spectroscopy and atomic force microscopy was used to investigate the structural factors, which contribute to a pronounced PDI-BP interaction and thus support the protection of BP nanosheets against oxidative degradation. We were able to show, that water-soluble, amphiphilic PDIs with highly charged head groups can be used for the non-covalent functionalization of BP in aqueous media. Here, based on the hydrophobic effect, an efficient adsorption of the respective PDI molecules takes place and leads to the formation of a passivating film, yielding a considerable stabilization of the BP flakes under ambient conditions exceeding 30 days.

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Journal
Chemistry - A European Journal
Published
2024-09-16
DOI
https://doi.org/10.1002/chem.202402166
Primary Topic
2D Materials and Applications
Type
article
Field-Weighted Citation Impact
0.00

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article

Investigations of Crucial Factors for the Non‐Covalent Functionalization of Black Phosphorus (BP) using Perylene Diimide Derivatives for the Passivation of BP Nanosheets

Frank Hauke, Andreas Hirsch, Vicent Lloret, Fernando Fernández‐Lázaro et al.
Chemistry - A European Journal
2D Materials and Applications
article

Investigations of Crucial Factors for the Non‐Covalent Functionalization of Black Phosphorus (BP) using Perylene Diimide Derivatives for the Passivation of BP Nanosheets

Frank Hauke, Andreas Hirsch, Vicent Lloret, Fernando Fernández‐Lázaro, Sara Pla, Nathalie Zink‐Lorre, Gonzalo Abellán, Ángela Sastre‐Santos, Jasmin Eisenkolb
article en

Abstract

The non-covalent functionalization of black phosphorus (BP) was studied with a scope of ten tailor-made perylene diimides (PDIs). A combination of UV/Vis-, fluorescence-, as well as Raman spectroscopy and atomic force microscopy was used to investigate the structural factors, which contribute to a pronounced PDI-BP interaction and thus support the protection of BP nanosheets against oxidative degradation. We were able to show, that water-soluble, amphiphilic PDIs with highly charged head groups can be used for the non-covalent functionalization of BP in aqueous media. Here, based on the hydrophobic effect, an efficient adsorption of the respective PDI molecules takes place and leads to the formation of a passivating film, yielding a considerable stabilization of the BP flakes under ambient conditions exceeding 30 days.

Chemistry - A European JournalVol. 30(67)
Universitat de Miguel Hernández d'Elx (ES), Universitat de València (ES), Friedrich-Alexander-Universität Erlangen-Nürnberg (DE), International Council on Mining and Metals (GB), Parc Científic de la Universitat de València (ES)
European Commission, Deutsche Forschungsgemeinschaft, Generalitat Valenciana, European Research Council, European Regional Development Fund, Agencia Estatal de Investigación
Clean water and sanitation
Openalex Percentile: Top 90%
2D Materials and Applications
DOIOpen Access PDFOpenAlex
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