NVP encapsulated gold nanoclusters by in situ polymerization of monomer

We propose a simple versatile environmental friendly approach for the synthesis of stable gold nanoclusters via utilizing N-vinyl pyrrolidone (NVP) both as a solvent and reaction medium in systematically reducing the metal precursor, chloroauric acid, further radically oxidizing itself to form oligomers which simultaneously encapsulates the as-formed gold nanoclusters, the evidence of which can be clearly seen from TEM and other molecular spectroscopic measurements as illustrated herewith.