Issue 33, 2015

Solution-based fabrication of VO2 (M) nanoparticles via lyophilisation

Abstract

Thermochromic vanadium dioxide (VO2) is the most extensively researched smart material owing to its near room-temperature phase transition at around 68 °C. Freeze drying has been employed in the solution-based fabrication of highly pure and crystalline VO2 nanoparticles and it was found that freeze drying can largely eliminate the agglomeration issue which is common in nanoparticle fabrication. The particle size, phase transition temperature (τc), crystallinity and latent heat (LH) have been systematically studied by changing the precursor concentration and annealing temperature. The freeze-dried sample (with 7.5 mL H2O2 in precursor) annealed at 650 °C has a particle size of ∼53 nm and τc of 64.5 °C, as well as high crystallinity with LC of 36.76 J g−1.

Graphical abstract: Solution-based fabrication of VO2 (M) nanoparticles via lyophilisation

Article information

Article type
Paper
Submitted
22 Dec 2014
Accepted
03 Mar 2015
First published
03 Mar 2015

RSC Adv., 2015,5, 25669-25675

Author version available

Solution-based fabrication of VO2 (M) nanoparticles via lyophilisation

X. Cao, M. N. Thet, Y. Zhang, S. C. Joachim Loo, S. Magdassi, Q. Yan and Y. Long, RSC Adv., 2015, 5, 25669 DOI: 10.1039/C4RA16840B

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