The intermetallic materials digold bismuthide, gold diantimonide, and gold ditelluride were chemically synthesized with a bottom-up wet chemical approach, which has not been achieved before. These gold-based materials display a nano- to microparticle grain size and a well-defined composition-based structure. True intermetallic nanoparticle-based materials have traditionally proven challenging to obtain via wet chemical approaches, making the materials created here significant from a fundamental synthesis standpoint. The knowledge gained by developing reliable synthesis approaches toward intermetallic nanoparticles may be used to develop new materials and enhance the understanding of how to refine the characteristics and enhanced properties of emerging nanoparticle semiconductor materials in advanced applications such as for thermoelectrics.
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This work was supported by the Grant-in-Aid for Scientific Research (C) and partly by the Comprehensive Support Programs for Creation of Regional Innovation: “Practical Application Research.”
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Sakata, T., Mott, D.M. & Maenosono, S. Wet-chemical preparation of digold bismuthide, gold diantimonide, and gold ditelluride particles. Journal of Materials Research 28, 2106–2112 (2013). https://doi.org/10.1557/jmr.2013.196