Surface-Anisotropic Janus Silicon Quantum Dots via Masking on 2D Silicon Nanosheets.

ABSTRACT: Surface-anisotropic nanoparticles represent a new class of materials that shows potential in a variety of applications, including self-assembly, microelectronics, and biology. Here, the first synthesis of surface-anisotropic silicon quantum dots (SiQDs), obtained through masking on 2D silicon nanosheets, is presented. SiQDs are deposited on the 2D substrate, thereby exposing only one side of the QDs, which is functionalized through well-established hydrosilylation procedures. The UV-sensitive masking substrate is removed through UV-irradiation, which simultaneously initiates the hydrosilylation of a second substrate, thereby introducing a second functional group to the other side of the now free-standing SiQDs. This renders surface-anisotropic SiQDs that have two different functional group

SUBMITTER: Kloberg MJ 

PROVIDER: S-EPMC11468500 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature