The solvothermal synthesis of cadmium selenide hollow nanoparticles (�HNPs�) is readily achieved by heating a cadmium salt with a selenium precursor in a high boiling solvent such as octadecene under optimized synthesis conditions. HNPs have many potential applications ranging from photovoltaics, drug delivery, and catalysis. All these applications require precise control over the monodispersity of the size and shell thickness of HNPs. It has been hypothesized that the use of alkylammonium surfactants can improve the monodispersity of hollow nanoparticles. Surfactant molecules of several different molecular structure types were tested in this synthetic method, with cetyl trimethylammonium bromide providing HNPs with greatest monodispersity.

Role of surfactants in the synthesis of CdSe hollow nanoparticles

243rd National Meeting (2012)

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