Fabricating nanoporous silica structure on D-fibres through room temperature self-assembly

John Canning; Lucas Moura; Lachlan Lindoy; Kevin Cook; Maxwell J. Crossley; Yanhua Luo; Gang Ding Peng; Lars Glavind; George Huyang; Masood Naqshbandi; Martin Kristensen; Cicero Martelli; Graham Town

doi:10.3390/ma7032356

Fabricating nanoporous silica structure on D-fibres through room temperature self-assembly

John Canning^*, Lucas Moura, Lachlan Lindoy, Kevin Cook, Maxwell J. Crossley, Yanhua Luo, Gang Ding Peng, Lars Glavind, George Huyang, Masood Naqshbandi, Martin Kristensen, Cicero Martelli, Graham Town

^*Corresponding author for this work

School of Engineering

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Abstract

The room temperature deposition of self-assembling silica nanoparticles onto D-shaped optical fibres ("D-fibre"), drawn from milled preforms fabricated by modified chemical vapour deposition (MCVD), is studied. Vertical dip-and-withdraw produces tapered layers, with one end thicker (surface coverage >0.85) than the other, whilst horizontal dip-and-withdraw produces much more uniform layers over the core region. The propagation of induced fracturing over the core region during drying is overcome using a simple protrusion of the inner cladding. Thick coatings are discernible through thin film interference colouring, but thinner coatings require scanning electron microscopy (SEM) imaging. Here, we show that fluorescence imaging, using Rhodamine B, in this example, can provide some qualitative and speedy assessment of coverage.

Original language	English
Pages (from-to)	2356-2369
Number of pages	14
Journal	Materials
Volume	7
Issue number	3
DOIs	https://doi.org/10.3390/ma7032356
Publication status	Published - Mar 2014

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Copyright the Author(s) 2014. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

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title = "Fabricating nanoporous silica structure on D-fibres through room temperature self-assembly",

abstract = "The room temperature deposition of self-assembling silica nanoparticles onto D-shaped optical fibres ({"}D-fibre{"}), drawn from milled preforms fabricated by modified chemical vapour deposition (MCVD), is studied. Vertical dip-and-withdraw produces tapered layers, with one end thicker (surface coverage >0.85) than the other, whilst horizontal dip-and-withdraw produces much more uniform layers over the core region. The propagation of induced fracturing over the core region during drying is overcome using a simple protrusion of the inner cladding. Thick coatings are discernible through thin film interference colouring, but thinner coatings require scanning electron microscopy (SEM) imaging. Here, we show that fluorescence imaging, using Rhodamine B, in this example, can provide some qualitative and speedy assessment of coverage.",

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AU - Canning, John

AU - Moura, Lucas

AU - Lindoy, Lachlan

AU - Cook, Kevin

AU - Crossley, Maxwell J.

AU - Luo, Yanhua

AU - Peng, Gang Ding

AU - Glavind, Lars

AU - Huyang, George

AU - Naqshbandi, Masood

AU - Kristensen, Martin

AU - Martelli, Cicero

AU - Town, Graham

N1 - Copyright the Author(s) 2014. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

PY - 2014/3

Y1 - 2014/3

N2 - The room temperature deposition of self-assembling silica nanoparticles onto D-shaped optical fibres ("D-fibre"), drawn from milled preforms fabricated by modified chemical vapour deposition (MCVD), is studied. Vertical dip-and-withdraw produces tapered layers, with one end thicker (surface coverage >0.85) than the other, whilst horizontal dip-and-withdraw produces much more uniform layers over the core region. The propagation of induced fracturing over the core region during drying is overcome using a simple protrusion of the inner cladding. Thick coatings are discernible through thin film interference colouring, but thinner coatings require scanning electron microscopy (SEM) imaging. Here, we show that fluorescence imaging, using Rhodamine B, in this example, can provide some qualitative and speedy assessment of coverage.

AB - The room temperature deposition of self-assembling silica nanoparticles onto D-shaped optical fibres ("D-fibre"), drawn from milled preforms fabricated by modified chemical vapour deposition (MCVD), is studied. Vertical dip-and-withdraw produces tapered layers, with one end thicker (surface coverage >0.85) than the other, whilst horizontal dip-and-withdraw produces much more uniform layers over the core region. The propagation of induced fracturing over the core region during drying is overcome using a simple protrusion of the inner cladding. Thick coatings are discernible through thin film interference colouring, but thinner coatings require scanning electron microscopy (SEM) imaging. Here, we show that fluorescence imaging, using Rhodamine B, in this example, can provide some qualitative and speedy assessment of coverage.

UR - https://www.scopus.com/pages/publications/84897094699

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DO - 10.3390/ma7032356

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AN - SCOPUS:84897094699

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VL - 7

SP - 2356

EP - 2369

JO - Materials

JF - Materials

IS - 3

ER -

Fabricating nanoporous silica structure on D-fibres through room temperature self-assembly

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