Growth of Ultrathick CuInS Shells for Supersized Core/Shell Nanoparticles.

Inorg Chem

Key Laboratory of Physics and Technology for Advanced Batteries, Ministry of Education, College of Physics, Jilin University, Qianjin Street No. 2699, Changchun 130012, China.

Published: December 2024

AI Article Synopsis

  • Growth of ultrathick shells on quantum dots (QDs) enhances the properties of nanoparticles (NPs).
  • CuInSe quantum dots were created with a uniform surface, allowing for a superthick shell (∼45 nm) of CuInS to be added, resulting in large core/shell nanostructures (~100 nm).
  • This technique was further applied to create other core/shell configurations, indicating potential for new chemical and physical phenomena in nanomaterials, beneficial for research and commercial applications.

Article Abstract

The growth of ultrathick shells on quantum dots (QDs) has been demonstrated to provide new aspects of nanoparticles (NPs). Spherical dot-shaped CuInSe QDs were produced with the advantage of shell growth due to their homogeneous surface. The superthickness (∼45 nm) of CuInS was deposited on the CuInSe dots to form supersized CuInSe/CuInS core/shell nanostructures with a tetrakaidecahedron shape to ∼100 nm. This quasi-epitaxial growth mechanism was extended to form supersized ZnSe/CuInS and CuInS/CuInS core/shell nanostructures, thereby providing an efficient method for supersized nanoparticles based on shell growth. The formation of supersized nanoparticles (20-100 nm) may induce new chemistry and physics for nanomaterials, supplying new aspects in fundamental research and the commercial industry.

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Source
http://dx.doi.org/10.1021/acs.inorgchem.4c04153DOI Listing

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