Lanthanide upconversion nanocrystals within microstructured optical fibres : a sensitive platform for biosensing and a new tool for nanocrystal characterisation | Macquarie University ResearchOnline

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Lanthanide upconversion nanocrystals within microstructured optical fibres : a sensitive platform for biosensing and a new tool for nanocrystal characterisation

Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/172386

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Title: Lanthanide upconversion nanocrystals within microstructured optical fibres : a sensitive platform for biosensing and a new tool for nanocrystal characterisation
Related: Asia Pacific Optical Sensors Conference (3rd : 2012) (31 January - 3 February 2012 : Sydney)
Related: Canning, John and Peng, Gang-Ding. Third Asia Pacific Optical Sensors Conference : 31 January - 3 February 2012, Sydney, Australia, p.83512Q-1-83512Q-4
DOI: 10.1117/12.915968
Related: Proceedings of SPIE Vol. 8351
Publisher: Bellingham, Washington : SPIE
Date: 2012
Author/Creator: Schartner, E. P
Author/Creator: Jin, D
Author/Creator: Ebendorff-Heidepriem, H
Author/Creator: Piper, J. A
Author/Creator: Monro, T. M
Description: We investigate a powerful new sensing platform based on upconversion luminescence in NaYF₄: Yb/Er nanocrystals loaded inside a suspended-core microstructured optical fibre. The use of a NIR source enables autofluorescence from the glass to be reduced compared to using visible sources for excitation of fluorescence. We demonstrate a substantial improvement in the detection limit that can be achieved in a suspended-core fibre sensor, with detection limits as low as 660 fM achieved. This is a factor of 15× better than the best results previously reported using Quantum dots in a similar fibre.
Description: 4 page(s)
Subject Keyword: biosensing
Subject Keyword: fluorescence
Subject Keyword: lanthanide
Subject Keyword: microstructured optical fibre
Subject Keyword: nanocrystal
Resource Type: conference paper
Organisation: Macquarie University. MQ Photonics Research Centre
Organisation: Macquarie University. Office of the Deputy Vice-Chancellor (Research)

Identifier: http://hdl.handle.net/1959.14/172386
Identifier: ISBN:9780819490278
Identifier: ISSN:0277-786X
Identifier: mq-rm-2011006738
Identifier: mq_res-ext-2-s2.0-84856901261
Language: eng
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