Issue 18, 2010

Thermodynamic theory of two-dimensional to three-dimensional growth transition in quantum dotsself-assembly

Abstract

A thermodynamic model has been proposed to address the transition from the two-dimensional to three-dimensional growth modes in the quantum dots self-assembly. It was found that the surface energy density of substrates and the mismatch between quantum dots and substrates play key roles in the transition of the growth modes. The high (low) surface energy density of substrate and the low (high) mismatch between quantum dots and substrate result in the large (small) critical thickness of the wetting layer, which further determines the growth mode of quantum dots. These findings suggested that we could control the transition of the quantum dots growth mode by substrate manipulation. The theoretical results were consistent with experimental observations, which implied that the established thermodynamic theory could be expected to be a general approach for pursuing the evolution of the growth mode in the quantum dots self-assembly.

Graphical abstract: Thermodynamic theory of two-dimensional to three-dimensional growth transition in quantum dots self-assembly

Article information

Article type
Paper
Submitted
23 Dec 2009
Accepted
11 Feb 2010
First published
16 Mar 2010

Phys. Chem. Chem. Phys., 2010,12, 4768-4772

Thermodynamic theory of two-dimensional to three-dimensional growth transition in quantum dots self-assembly

X. Li, Y. Cao and G. Yang, Phys. Chem. Chem. Phys., 2010, 12, 4768 DOI: 10.1039/B927189A

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements