Study on Growth Kinetics of CdSe Nanocrystals with a New Model
A model which involves both bulk diffusion process and surface reaction process has been developed for describing the growth behaviour of nanoparticles. When the model is employed, hypothesising that either of the processes alone dominates the overall growth process is unnecessary. Conversely, the r...
Autores principales: | , , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Springer
2010
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2894121/ https://www.ncbi.nlm.nih.gov/pubmed/20672112 http://dx.doi.org/10.1007/s11671-010-9568-3 |
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author | Su, Huaipeng Dixon, JohnDavid Wang, Andrew Y Low, Jeremy Xu, Jian Wang, Jingkang |
author_facet | Su, Huaipeng Dixon, JohnDavid Wang, Andrew Y Low, Jeremy Xu, Jian Wang, Jingkang |
author_sort | Su, Huaipeng |
collection | PubMed |
description | A model which involves both bulk diffusion process and surface reaction process has been developed for describing the growth behaviour of nanoparticles. When the model is employed, hypothesising that either of the processes alone dominates the overall growth process is unnecessary. Conversely, the relative magnitude of contributions from both processes could be obtained from the model. Using this model in our system, the growth process of CdSe QDs demonstrated two different growth stages. During the first stage, the growth of CdSe QDs was dominated by bulk diffusion, whereas, neither the bulk diffusion process nor the surface reaction process could be neglected during the later stage. At last, we successfully modelled the Ostwald ripening of CdSe QDs with LSW theories. |
format | Text |
id | pubmed-2894121 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2010 |
publisher | Springer |
record_format | MEDLINE/PubMed |
spelling | pubmed-28941212010-07-28 Study on Growth Kinetics of CdSe Nanocrystals with a New Model Su, Huaipeng Dixon, JohnDavid Wang, Andrew Y Low, Jeremy Xu, Jian Wang, Jingkang Nanoscale Res Lett Nano Express A model which involves both bulk diffusion process and surface reaction process has been developed for describing the growth behaviour of nanoparticles. When the model is employed, hypothesising that either of the processes alone dominates the overall growth process is unnecessary. Conversely, the relative magnitude of contributions from both processes could be obtained from the model. Using this model in our system, the growth process of CdSe QDs demonstrated two different growth stages. During the first stage, the growth of CdSe QDs was dominated by bulk diffusion, whereas, neither the bulk diffusion process nor the surface reaction process could be neglected during the later stage. At last, we successfully modelled the Ostwald ripening of CdSe QDs with LSW theories. Springer 2010-03-25 /pmc/articles/PMC2894121/ /pubmed/20672112 http://dx.doi.org/10.1007/s11671-010-9568-3 Text en Copyright © 2010 The Author(s) https://creativecommons.org/licenses/by-nc/4.0/ This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited. |
spellingShingle | Nano Express Su, Huaipeng Dixon, JohnDavid Wang, Andrew Y Low, Jeremy Xu, Jian Wang, Jingkang Study on Growth Kinetics of CdSe Nanocrystals with a New Model |
title | Study on Growth Kinetics of CdSe Nanocrystals with a New Model |
title_full | Study on Growth Kinetics of CdSe Nanocrystals with a New Model |
title_fullStr | Study on Growth Kinetics of CdSe Nanocrystals with a New Model |
title_full_unstemmed | Study on Growth Kinetics of CdSe Nanocrystals with a New Model |
title_short | Study on Growth Kinetics of CdSe Nanocrystals with a New Model |
title_sort | study on growth kinetics of cdse nanocrystals with a new model |
topic | Nano Express |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2894121/ https://www.ncbi.nlm.nih.gov/pubmed/20672112 http://dx.doi.org/10.1007/s11671-010-9568-3 |
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