Synthesis of shaped-controlled ZnO and copper indium sulfide nanocrystals: Nanostructured materials

PHYS 435

Sang Hyun Choi, code611@snu.ac.kr, School of Chemical and Biological Engineering, Seoul National University, Silim-dong, Gwanak-gu, Seoul, 151-744, South Korea and Taeghwan Hyeon, thyeon@plaza.snu.ac.kr, School of Chemical Engineering, Seoul National University, San 56-1, Shilim-dong, Kwanak-gu, Seoul, 151-744, South Korea.
We synthesized the shape-controlled Cu-In sulfide heterostructured nanocrystals from the thermal decomposition of a mixture of Cu-oleate and In-oleate complex in dodecanethiol. By varying the reaction temperature and time, we were able to synthesize Cu-In sulfide nanocrystals with acorn, bottle, and larva shapes. And We report the large-scale synthesis of uniform-sized hexagonal pyramid-shaped ZnO nanocrystals by the thermolysis of Zn-oleate complex, which was prepared from the reaction of inexpensive and environmental-friendly reagents such as zinc chloride and sodium oleate.