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Design and fabrication of functional...

Wang, Lingyan.

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Design and fabrication of functional nanomaterials with tunable electrical, optical, and magnetic properties.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Design and fabrication of functional nanomaterials with tunable electrical, optical, and magnetic properties./
作者:	Wang, Lingyan.
面頁冊數:	277 p.
附註:	Adviser: Chuan-Jian Zhong.
Contained By:	Dissertation Abstracts International68-05B.
標題:	Chemistry, Analytical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3266499
ISBN:	9780549046097

Design and fabrication of functional nanomaterials with tunable electrical, optical, and magnetic properties.
Wang, Lingyan.

Design and fabrication of functional nanomaterials with tunable electrical, optical, and magnetic properties. - 277 p.

Adviser: Chuan-Jian Zhong.

Thesis (Ph.D.)--State University of New York at Binghamton, 2007.

This thesis work aims at fundamental understanding of electronic, optical, and magnetic properties of materials at the nanoscale dimension for the design and fabrication of functional nanomaterials in sensors and catalysis. Such understanding requires the abilities for the synthesis and assembly of nanoparticles in terms of size, shape, composition, and surface properties, and for the correlation and optimization of the nanostructure design parameters (NDP) and the nanomaterials functional properties in terms of interparticle structure and reactivities at the molecular level. In this thesis, novel design strategies or routes developed for the synthesis of nanoparticles with controllable sizes, shapes, composition, and surface properties are described. The assembly of highly-monodispersed Fe-oxide@Au core-shell nanoparticles are discussed. New fundamental insights into the correlation between the NDP and the nanomaterials properties are discussed for molecularly-mediated thin film assemblies of the nanoparticles, focusing on the delineation between the electrical conductivity and the interparticle distance and particle size. The surface plasmon resonance band of the nanoparticles in the thin film assemblies is shown to be linearly dependent on the particle size and the interparticle distance. New insights into the construction of a chemical sensor array system in the detection of volatile organic compounds with high sensitivity and selectivity have been developed, which is aimed at achieving sensing arrays with optimized combinations of the nanoscale building blocks in terms of interparticle chain lengths, functional groups, particle sizes, and compositions. The viability of constructing sensing array consisting of thin film assemblies of metal, alloy metal oxide nanoparticles with interparticle spatial properties defined by alkyl chains of different lengths has been demonstrated. The compromised balance between the interparticle chain-chain cohesive interdigitation and the nanostructure-analyte interaction is revealed to determine the relative change of the electrical conductivity in response to vapor sorption. Finally, the enhanced electrocatalytic activities of trimetallic alloy and core-shell nanoparticle catalysts for fuel cell reactions are also discussed. These findings constitute the basis for the design and fabrication of a series of novel functional nanomaterials with tunable electronic, optical, and magnetic properties for chemical sensing, catalytic reaction and other technological applications.

ISBN: 9780549046097Subjects--Topical Terms:

586156
Chemistry, Analytical.

Design and fabrication of functional nanomaterials with tunable electrical, optical, and magnetic properties.
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502 $a Thesis (Ph.D.)--State University of New York at Binghamton, 2007.
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