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Design, synthesis, and assembly of f...

Maye, Mathew M.

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Design, synthesis, and assembly of functional nanoarchitectures.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Design, synthesis, and assembly of functional nanoarchitectures./
作者:	Maye, Mathew M.
面頁冊數:	252 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-06, Section: B, page: 3108.
Contained By:	Dissertation Abstracts International66-06B.
標題:	Chemistry, Analytical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3179254
ISBN:	9780542192234

Design, synthesis, and assembly of functional nanoarchitectures.
Maye, Mathew M.

Design, synthesis, and assembly of functional nanoarchitectures. - 252 p.

Source: Dissertation Abstracts International, Volume: 66-06, Section: B, page: 3108.

Thesis (Ph.D.)--State University of New York at Binghamton, 2005.

The development of abilities towards the control of nanoparticle size, shape, and interspatial properties and to assembly nanoparticles into size- and shape-controllable morphologies are two of the most challenging areas in exploring nanostructured catalysis and chemical sensing. To address issues related to these challenge requires new approaches towards the design, synthesis, processing, patterning, and assembly of nanoscale structures. As a new approach to controlling size and shape, we have developed a thermally-activated processing method that involves the processing of nanoparticles at moderate elevation of temperatures in solution or molten salt towards monodispersed sizes and shapes. This method stems from the change of physical properties at the nanoscale that include the melting point of nanoparticles being much lower than their bulk counterparts. To address the ability in assembling nanoparticles into size- and shape-controllable morphologies, we have developed a new mediator-template assembly strategy. This strategy allows the assembly of nanoparticles into nanoarchitectures with unprecedented controllability over sizes and shapes. To probe the morphology change of the nanoparticle assembly in interfacial processes, we have developed a technique to pattern nanoparticles onto micro-array addresses that allow in-situ monitoring of the nanoscale chemistry with atomic force microscopy. Characterizations of the nanostructured materials with this ability and an array of other analytical techniques, including TEM, HRTEM, UV-Vis, FTIR, IRS, DLS, SAXS, XRD, XPS, DCP-AES, TGA, AFM, QCM, EQCN, CV and RDE, have provided us important fundamental insights into nanoparticles and assemblies. The insights facilitate our exploration of nanomaterials for chemical sensors and fuel cell catalysts. The soft nature of our size-controllable assemblies of nanoparticles is shown to provide optically-responsive signals to chemicals that induces disassembly of the nanostructure, which could form the basis for new colorimetric sensors. In electrocatalysis, the organic-capped and assembled gold and alloy nanoparticles are shown to be activated by either electrochemical or thermal protocols. The catalytic activities of such catalysts to the electrooxidation of carbon monoxide and methanol as well as the electroreduction of oxygen are of interest to the development of new or improved fuel cell catalysts. Implications of our findings to potential applications of the nanoparticles and assemblies in many other technological areas are also discussed.

ISBN: 9780542192234Subjects--Topical Terms:

586156
Chemistry, Analytical.

Design, synthesis, and assembly of functional nanoarchitectures.
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