Research Article

Nano Research

, Volume 3, Issue 8, pp 574-580

First online:

Open Access This content is freely available online to anyone, anywhere at any time.

Nanocrystalline intermetallics and alloys

  • Dingsheng WangAffiliated withDepartment of Chemistry, Tsinghua University
  • , Qing PengAffiliated withDepartment of Chemistry, Tsinghua University
  • , Yadong LiAffiliated withDepartment of Chemistry, Tsinghua University Email author 


Nanocrystalline intermetallics and alloys are novel materials with high surface areas which are potential low-cost and high-performance catalysts. Here, we report a general approach to the synthesis of a large variety of nanocrystalline intermetallics and alloys with controllable composition, size, and morphology: these include Au-, Pd-, Pt-, Ir-, Ru-, and Rh-based bi- or tri-metallic nanocrystals. We find that only those intermetallics and alloys whose effective electronegativity is larger than a critical value (1.93) can be prepared by co-reduction in our synthetic system. Our methodology provides a simple and convenient route to a variety of intermetallic and alloyed nanomaterials which are promising candidates for catalysts for reactions such as methanol oxidation, hydroformylation, the Suzuki reaction, cyclohexene hydroconversion, and the selective hydrogenation of acetylene.


Intermetallics alloys nanocrystals controllable synthesis catalysts