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Evaluation of Porous Silicon - Perfl...

Kennard, Rhiannon Marie.

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Evaluation of Porous Silicon - Perfluorinated Polymer Composite Sensors and Optimization of Porous Silicon Microparticle Synthesis.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Evaluation of Porous Silicon - Perfluorinated Polymer Composite Sensors and Optimization of Porous Silicon Microparticle Synthesis./
Author:	Kennard, Rhiannon Marie.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
Description:	53 p.
Notes:	Source: Masters Abstracts International, Volume: 55-06.
Contained By:	Masters Abstracts International55-06(E).
Subject:	Nanotechnology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10158625
ISBN:	9781369136333

Evaluation of Porous Silicon - Perfluorinated Polymer Composite Sensors and Optimization of Porous Silicon Microparticle Synthesis.
Kennard, Rhiannon Marie.

Evaluation of Porous Silicon - Perfluorinated Polymer Composite Sensors and Optimization of Porous Silicon Microparticle Synthesis. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 53 p.

Source: Masters Abstracts International, Volume: 55-06.

Thesis (M.S.)--University of California, San Diego, 2016.

Porous silicon photonic crystal-poly(vinylidiene fluoride) polymer composites were synthesized to fabricate a sensor exhibiting tunable hydrophobicity and stability in basic conditions. Poly(vinylidiene fluoride) polymer was infiltrated into porous silicon photonic crystals via the melt-cast method. Partial removal of the hydrophilic silicon template enabled tuning of the hydrophobicity of the silicon-polymer composites over a water contact angle range of 60°-110°. The composites exhibited much greater stability at pH 12 than did the free-standing porous silicon templates. The mechanism of dissolution of the silicon template was examined. In a separate study, perforated etching of silicon wafers was assessed for high-yield preparation of porous Si microparticles, with a focus on optimizing ultrasonication conditions. The effects of increasing the amount of cavitation on particle size and size distribution were assessed. Concentration of films during ultrasonication and duration of ultrasonication on particle were systematically investigated for efficient synthesis of ~70mum particles. The effects of pre-treatment by mechanical crushing on nucleation uniformity, on yield, and yield reproducibility were also assessed.

ISBN: 9781369136333Subjects--Topical Terms:

526235
Nanotechnology.

Evaluation of Porous Silicon - Perfluorinated Polymer Composite Sensors and Optimization of Porous Silicon Microparticle Synthesis.
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035 $a (MiAaPQ)AAI10158625
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100 1 $a Kennard, Rhiannon Marie. $3 3281105
245 1 0 $a Evaluation of Porous Silicon - Perfluorinated Polymer Composite Sensors and Optimization of Porous Silicon Microparticle Synthesis.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2016
300 $a 53 p.
500 $a Source: Masters Abstracts International, Volume: 55-06.
500 $a Adviser: Michael J. Sailor.
502 $a Thesis (M.S.)--University of California, San Diego, 2016.
520 $a Porous silicon photonic crystal-poly(vinylidiene fluoride) polymer composites were synthesized to fabricate a sensor exhibiting tunable hydrophobicity and stability in basic conditions. Poly(vinylidiene fluoride) polymer was infiltrated into porous silicon photonic crystals via the melt-cast method. Partial removal of the hydrophilic silicon template enabled tuning of the hydrophobicity of the silicon-polymer composites over a water contact angle range of 60°-110°. The composites exhibited much greater stability at pH 12 than did the free-standing porous silicon templates. The mechanism of dissolution of the silicon template was examined. In a separate study, perforated etching of silicon wafers was assessed for high-yield preparation of porous Si microparticles, with a focus on optimizing ultrasonication conditions. The effects of increasing the amount of cavitation on particle size and size distribution were assessed. Concentration of films during ultrasonication and duration of ultrasonication on particle were systematically investigated for efficient synthesis of ~70mum particles. The effects of pre-treatment by mechanical crushing on nucleation uniformity, on yield, and yield reproducibility were also assessed.
590 $a School code: 0033.
650 4 $a Nanotechnology. $3 526235
650 4 $a Materials science. $3 543314
650 4 $a Polymer chemistry. $3 3173488
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710 2 $a University of California, San Diego. $b Chemistry. $3 1023460
773 0 $t Masters Abstracts International $g 55-06(E).
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856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10158625