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Modulating Electrical Double Layers: Facile Approach for Promoting Noncovalent Interactions between Boron Nitride Nanosheets and Gold Nanoparticles.
- Source :
-
Langmuir : the ACS journal of surfaces and colloids [Langmuir] 2024 Sep 17; Vol. 40 (37), pp. 19799-19803. Date of Electronic Publication: 2024 Sep 03. - Publication Year :
- 2024
-
Abstract
- Electrical double layer (EDL) plays a crucial role in colloidal chemistry, which can be modified by changing the pH and ionic strength of a solution. Even though EDL is well-recognized, there are limited studies exploring interactions between two-dimensional (2D) and zero-dimensional nanoparticles. Herein, we demonstrate a simple pH-based approach to control the EDL of boron nitride nanosheets (BNNSs) and gold nanoparticles (AuNPs) that plays a crucial role in their interaction, displaying a one-way gate effect. We observed that as the EDL decreases, AuNPs can come into closer interaction with BNNSs, and this also resulted in a deceleration of the aggregation process of AuNPs when functionalized with l-cysteine. This work provides a fundamental understanding of how modulation of the EDL of 2D nanomaterials can be achieved through functionalizing strategies.
Details
- Language :
- English
- ISSN :
- 1520-5827
- Volume :
- 40
- Issue :
- 37
- Database :
- MEDLINE
- Journal :
- Langmuir : the ACS journal of surfaces and colloids
- Publication Type :
- Academic Journal
- Accession number :
- 39224945
- Full Text :
- https://doi.org/10.1021/acs.langmuir.4c02587