Weak Spots in Semiconductor Nanoplatelets: From Isolated Defects Toward Directed Nanoscale Assemblies.

ABSTRACT: The chemical engineering of nanostructures with atomic-scale precision is a fundamental scientific challenge. Cation exchange reactions in nanoplatelets (NPLs) offer an attractive platform for this precision chemistry, as it is relatively simple to carry out, extremely versatile, and allows the production of heterogeneous nanostructures that cannot be produced by any other means. A major hindrance has, however, been the lack of knowledge of the "weak spots" of the platelets where the ionic exchange reaction is initiated to optimally control the process toward directed nanoscale assemblies. Here, mercury selenide formation in cadmium selenide NPLs is investigated. The study of Cd_(1-n)Hg_nSe NPLs using scanning transmission electron microscopy (STEM) pinpoints at the cor

SUBMITTER: Shamraienko V 

PROVIDER: S-EPMC11798351 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature