Single-source molecular precursors were found to produce iron phosphide materials. In a surfactant system of trioctylamine and oleic acid,

H2Fe3(CO)9PtBu reacted to form Fe4(CO)12(PtBu)2, which decomposed to give Fe2P nanorods and “bundles.” Control of the morphology obtained

was possible by varying the surfactant system; addition of increasing amounts of oleic acid resulted in crystal splitting, while the addition of

microliter amounts of an alkane enhanced the crystal splitting to give sheaf-like structures. The different morphologies seen were attributed

to imperfect crystal growth mechanisms.