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A facile way to fabricate CdSe quantum dots coated with silica and the fluorescence property
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
2006 (English)In: Proceedings of International Symposium on Biophotonics, Nanophotonics and Metamaterials, 2006, 342-345 p.Conference paper, Published paper (Refereed)
Abstract [en]

Good quality quantum dots (QDs) CdSe were prepared with a novel and non-TOP method. Quantum dots with different sizes ranging from 2 to 5 rim could be obtained by removing aliquots of reaction solution at different time intervals. The quantum dots CdSe (core) -silica (shell) was fabricated by a rnicroemulsion method. Transmission electron microscopy (TEM) images confirmed the well monodispersed QDs and the silica shell around CdSe core respectively. UV-Vis absorption and photoluminescence spectra clearly indicated that both the original QDs and the silica-coated QDs had good fluorescence properties. The quantum dots coated with silica shell are water-soluble and less toxic (due to the silica shell), which are anticipated as fluorescent probes for biosensing and imaging applications such as tumor detection of pre-cancers.

Place, publisher, year, edition, pages
2006. 342-345 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-42219DOI: 10.1109/METAMAT.2006.335078ISI: 000247372900097Scopus ID: 2-s2.0-46149107909ISBN: 978-0-7803-9773-6 (print)OAI: oai:DiVA.org:kth-42219DiVA: diva2:446806
Conference
International Symposium on Biophotonics, Nanophotonics and Metamaterials, Metamaterials 2006; Hangzhou; 16 October 2006 through 18 October 2006
Note

QC 20111010

Available from: 2011-10-10 Created: 2011-10-06 Last updated: 2016-12-21Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
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