The Surface Chemistry of Semiconductor Nanocrystals

The complex nature of nanocrystal structure is not well defined at the atomic-molecular level and plays a vital role in its surface properties. In “Toward Surface Chemistry of Semiconductor Nanocrystals at an Atomic-Molecular Level,” Hairui Lei, Jiongzhao Li, Xueqian Kong, Linjun Wang, and Xiaogang Peng break down the surface of nanocrystals into three definable zones to gain a better understanding of the surface structure and how to manipulate it. Specifically, the article describes the crystal facets, inorganic ligands interface, and the ligands monolayer to help understand the surface chemistry of semiconductor nanocrystals. Using cadmium selenide (CdSe) quantum dots in both zinc and wurtzite crystal blende, the authors describe how the three zones of surface chemistry can affect the stability, solubility, and production of nanocrystals. To learn more, read the full article here.

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