Related Experiment Video
Updated: Jun 21, 2026

Visualizing Diffusional Dynamics of Gold Nanorods on Cell Membrane using Single Nanoparticle Darkfield Microscopy
Published on: March 5, 2021
Strain distributions in nano-onions with uniform and non-uniform compositions
H L Duan1, B L Karihaloo, J Wang
1School of Engineering, Cardiff University, Queen's Buildings, The Parade, Cardiff CF24 3AA, UK. LTCS and College of Engineering, Peking University, Beijing 100871, People's Republic of China.
Abstract:
Nano-onions are ellipsoidal or spherical particles consisting of a core surrounded by concentric shells of nanometre size. Nano-onions produced by self-assembly and colloidal techniques have different structures and compositions, and thus differ in the state of strains. The mismatch of the thermal expansion coefficients and lattice constants between neighbouring shells induces stress/strain fields in the core and shells, which in turn affect their physical/mechanical properties and/or the properties of the composites containing them. In this paper, the strains in embedded and free-standing nano-onions with uniform and non-uniform compositions are studied in detail. It is found that the strains in the nano-onions can be modified by adjusting their compositions and structures. The results are useful for the band structure engineering of semiconductor nano-onions.
Related Concept Videos
Factors Affecting Dissolution: Particle Size and Effective Surface Area
Drug Distribution as One-Compartment Model and Elimination by Nonlinear Pharmacokinetics: Overview
For instance, consider the metabolism of sodium salicylate. This compound is metabolized into two distinct substances: a glucuronide and a glycine conjugate. The rate of conjugation depends on...
Saint-Venant's Principle
Compartment Models: Two-Compartment Model
Drug Distribution: Volume of Distribution
Drug Dissolution: Requirements and Profile Comparison

