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Cat. No.: X26-06-ZQ2981

Polyethylenimine-functionalized silver nanoclusters (PEI-AgNCs)

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Synonym: PEI-AgNCs; Polyethylenimine-functionalized fluorescent silver nanoclusters; PEI polymer-templated silver sub-nanometer clusters; Polyethylenimine stabilized cationic luminescent silver clusters

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Product Size
100 mg; 250 mg; 500 mg; 1 g; 5 g
Price
Datasheet
Datasheet
MSDS
MSDS
Properties
Description
This bio-inorganic material features ultra-small silver nanoclusters containing only a limited number of core atoms, structurally encapsulated and stabilized within individual branched polyethylenimine (PEI) macromolecular scaffolds. The heavily branched PEI matrix strictly limits the growth of the metallic core, leading to quantum confinement phenomena and distinct molecular-like electronic transitions. This structure displays high fluorescence quantum yields and generates a strong positive surface potential across neutral fluids due to the dense network of primary, secondary, and tertiary amine groups.
Source
Custom synthesis
Form
Solid or powder
Purity
≥95%
Impurities
No visible impurities to the naked eye.
Identity
HPLC/MS/NMR
Applications
This product can be used to investigate quantum confinement physics in ultra-small metal clusters, evaluate polycationic surface charge interactions, and analyze fluorescent tracking parameters.
Publications
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