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Ordered Two-Dimensional Monolayers of Au55 Clusters
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Supramolecular AssemblyEngineeringNanoclusterMolecular Self-assemblyChemistryAu55 ClustersCubic ArrangementCubic ArrangementsMaterials ScienceCluster SciencePhysicsNanotechnologyPhysical ChemistryNanomaterialsNatural SciencesSelf-assemblySurface ScienceApplied PhysicsCondensed Matter PhysicsCluster ChemistryPolyethyleneimine-modified SurfacesFunctional Materials
Simply dipping polyethyleneimine-modified surfaces into aqueous solutions of acid-functionalized Au55 clusters generates two-dimensional hexagonal and cubic arrangements of the clusters. The picture shows the transmission electron micrograph of the cubic arrangement; the bar length corrsponds to 10 nm.