2015-10-272015-10-272015-09-08Asokan, Subashini and Wong, Michael Sha-nang, "SYNTHESIS OF UNIFORM NANOPARTICLE SHAPES WITH HIGH SELECTIVITY." Patent US9129720B2. issued 2015-09-08. Retrieved from <a href="https://hdl.handle.net/1911/81930">https://hdl.handle.net/1911/81930</a>.https://hdl.handle.net/1911/81930This invention provides non-spherical nanoparticle compositions that are the reaction product of a source of a Group 12, 13, 14, or 15 metal or metalloid; a source of a Group 15 or 16 element; and a source of a quaternary ammonium compound or phosphonium compound; wherein nanoparticle tetrapods comprise 75-100 number percent of the nanoparticle products.16engUtility patentUS9129720B2