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The role of ligands in coinage-metal nanoparticles for electronics

  • Coinage-metal nanoparticles are key components of many printable electronic inks. They can be combined with polymers to form conductive composites and have been used as the basis of molecular electronic devices. This review summarizes the multidimensional role of surface ligands that cover their metal cores. Ligands not only passivate crystal facets and determine growth rates and shapes; they also affect size and colloidal stability. Particle shapes can be tuned via the ligand choice while ligand length, size, ω-functionalities, and chemical nature influence shelf-life and stability of nanoparticles in dispersions. When particles are deposited, ligands affect the electrical properties of the resulting film, the morphology of particle films, and the nature of the interfaces. The effects of the ligands on sintering, cross-linking, and self-assembly of particles in electronic materials are discussed.

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Document Type:Article
Author:Ioannis Kanelidis, Tobias KrausORCiD
Parent Title (English):Beilstein Journal of Nanotechnology
First Page:2625
Last Page:2639
Year of first Publication:2017
Release Date:2022/09/20
Tag:conductivity; inks; layers; ligands; nanoparticles
Impact:02.968 (2017)
Funding Information:German Federal Ministry of Education and Research (BMBF)
Scientific Units:Structure Formation
DDC classes:600 Technik, Medizin, angewandte Wissenschaften / 660 Technische Chemie
Open Access:Open Access
Signature:INM 2017/095
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International