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Growth and effect of polymeric ligan...

Bombalski, Lindsay.

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Growth and effect of polymeric ligands on colloidal particles and tailoring the optical properties of particle additives.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Growth and effect of polymeric ligands on colloidal particles and tailoring the optical properties of particle additives./
Author:	Bombalski, Lindsay.
Description:	123 p.
Notes:	Source: Dissertation Abstracts International, Volume: 68-12, Section: B, page: 8055.
Contained By:	Dissertation Abstracts International68-12B.
Subject:	Chemistry, Physical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3295590
ISBN:	9780549402824

Growth and effect of polymeric ligands on colloidal particles and tailoring the optical properties of particle additives.
Bombalski, Lindsay.

Growth and effect of polymeric ligands on colloidal particles and tailoring the optical properties of particle additives. - 123 p.

Source: Dissertation Abstracts International, Volume: 68-12, Section: B, page: 8055.

Thesis (Ph.D.)--Carnegie Mellon University, 2007.

Organic/Inorganic composite materials, even those composed of materials in the nanoscale range (ie. nanocomposites), face the challenge of opacity caused by light scattering of particle inclusions. Recent advances in synthetic polymer chemistry and the understanding of the physical properties of nano-sized materials provide the means to address this long-standing problem. This work demonstrates that effective medium concepts in conjunction with novel controlled radical polymerization techniques can be applied to design particle filler materials with reduced or even diminished light scattering. Advances in synthetic techniques involving inorganic particle materials allows for the preparation of well-defined, characterizable core-shell hybrids of a precisely calculated core and polymer composition. Controlled radical polymerization (CRP), specifically Atom Transfer Radical Polymerization (ATRP), has expanded the availability and purity of these neat materials, and is therefore, the preferred method for the synthesis of our model materials. Standard light scattering methodology is evaluated in detail for these progressive materials with available mathematical methods, proving the effective medium theory (EMT) concept. A comparison of the experimental data to simulated form factor expressions is presented to evaluate the appropriate model-geometry to analyze static light scattering of polymer-coated particle systems. The findings of the research open the door to a better understanding for core-shell models and novel transparent organic/inorganic composite materials.

ISBN: 9780549402824Subjects--Topical Terms:

560527
Chemistry, Physical.

Growth and effect of polymeric ligands on colloidal particles and tailoring the optical properties of particle additives.
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300 $a 123 p.
500 $a Source: Dissertation Abstracts International, Volume: 68-12, Section: B, page: 8055.
502 $a Thesis (Ph.D.)--Carnegie Mellon University, 2007.
520 $a Organic/Inorganic composite materials, even those composed of materials in the nanoscale range (ie. nanocomposites), face the challenge of opacity caused by light scattering of particle inclusions. Recent advances in synthetic polymer chemistry and the understanding of the physical properties of nano-sized materials provide the means to address this long-standing problem. This work demonstrates that effective medium concepts in conjunction with novel controlled radical polymerization techniques can be applied to design particle filler materials with reduced or even diminished light scattering. Advances in synthetic techniques involving inorganic particle materials allows for the preparation of well-defined, characterizable core-shell hybrids of a precisely calculated core and polymer composition. Controlled radical polymerization (CRP), specifically Atom Transfer Radical Polymerization (ATRP), has expanded the availability and purity of these neat materials, and is therefore, the preferred method for the synthesis of our model materials. Standard light scattering methodology is evaluated in detail for these progressive materials with available mathematical methods, proving the effective medium theory (EMT) concept. A comparison of the experimental data to simulated form factor expressions is presented to evaluate the appropriate model-geometry to analyze static light scattering of polymer-coated particle systems. The findings of the research open the door to a better understanding for core-shell models and novel transparent organic/inorganic composite materials.
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650 4 $a Physics, Optics. $3 1018756
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