Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
A soft chemistry-based route to enhanced photoluminescence of terbium ions and tin oxide nanocrystals codoped silica thin films
Show others and affiliations
2018 (English)In: Applied Surface Science, ISSN 0169-4332, E-ISSN 1873-5584, Vol. 452, p. 96-101Article in journal (Refereed) Published
Abstract [en]

Tb3+ ions and SnO2 nanocrystals (NCs) codoped silica films are fabricated by a soft chemistry-based approach. Via precise adjustment of Sn amounts in precursors, the size and number density of SnO2 NCs can be well controlled by a restrictive crystallization process. The characteristic emission intensity of Tb3+ ions at 541 nm can be greatly enhanced by two orders of magnitude if sensitized by SnO2 NCs with optimized size and number density. Photoluminescence excitation spectra of the films containing different Sn amounts indicate the non-radiative energy transfer process that takes place between Tb3+ ions and surface of SnO2 NCs. The photoluminescence intensity decay curves suggest two kinds of possible occurrence states of Tb3+ ions in codoped samples. All these results suggest the SnO2 NCs represent ideal sensitizers to effectively promote photoluminescence efficiency of Tb3+ ions. Particularly, the soft chemistry-based method reported here is very flexible for the fabrication of rare earth ions doped amorphous thin films, permitting the precise control of size and number density of NCs as sensitizers. We anticipate this fabrication strategy greatly enriches the techniques for the preparation of thin films, providing great promise for the realization of on-chip integration of silica-based optical lasers and amplifiers.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 452, p. 96-101
Keywords [en]
Luminescence, Nanoparticles, Sol-gel preparation, Thin films
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-228698DOI: 10.1016/j.apsusc.2018.05.002ISI: 000433203600011Scopus ID: 2-s2.0-85046706326OAI: oai:DiVA.org:kth-228698DiVA, id: diva2:1210767
Note

QC 20180529

Available from: 2018-05-29 Created: 2018-05-29 Last updated: 2018-06-13Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full textScopus

Search in DiVA

By author/editor
Zhang, Pei
By organisation
Materials and Nanophysics
In the same journal
Applied Surface Science
Chemical Sciences

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 22 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf