Low Temperature Synthesis and Surface Plasmon Resonance of Colloidal Lanthanum Hexaboride (LaB6) Nanocrystals

摘要

Lanthanum hexaboride (LaB6) nanocrystals, with an nm wavelength localized surface plasmon resonance ideal for interacting with solar near-infrared radiation, have been synthesized for the first time in a relatively low temperature flask reaction using sodium borohydride as both boron source and "solvent". Furthermore, the incorporation of isophthalic acid as a ligand allows the nanocrystals to disperse, permitting direct incorporation into polymer matrices including poly(methyl methacrylate) and polystyrene, suitable for composites and coatings.