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Title: Metal Nanoparticles Protected with Monolayers: Applications for Chemical Vapor Sensing and Gas Chromatography

Abstract

Nanoparticles and nanoparticle-based materials are of considerable interest for their unique properties and their potential for use in a variety of applications. Metal nanoparticles, in which each particle’s surface is coated with a protective organic monolayer, are of particular interest because the surface monolayer stabilizes them relative to aggregation and they can be taken up into solutions.(1-4) As a result they can be processed into thin films for device applications. We will refer to these materials as monolayer-protected nanoparticles, or MPNs. Typically the metal is gold, the organic layer is a self-assembled thiol layer, and this composition will be assumed throughout the remainder of this chapter. A diversity of materials and properties is readily accessible by straightforward synthetic procedures, either by the structures of the monolayer-forming thiols used in the synthesis or by post-synthetic modifications of the monolayers. A particularly promising application for these materials is as selective layers on chemical vapor sensors. In this role, the thin film of MPNs on the device surface serves to collect and concentrate gas molecules at the sensor’s surface. Their sorptive properties also lend them to use as new nanostructured gas chromatographic stationary phases. This chapter will focus on the sorptive properties ofmore » MPNs as they relate to chemical sensors and gas chromatography.« less

Authors:
; ; ; ;
Publication Date:
Research Org.:
Pacific Northwest National Laboratory (PNNL), Richland, WA (US), Environmental Molecular Sciences Laboratory (EMSL)
Sponsoring Org.:
USDOE
OSTI Identifier:
903465
Report Number(s):
PNNL-SA-39689
2482; 3450; NN2001000; TRN: US200720%%262
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Book
Resource Relation:
Related Information: Dekker Encyclopedia of Nanoscience and Nanotechnology, 3:1859-1867
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; GAS CHROMATOGRAPHY; GOLD; SORPTIVE PROPERTIES; SYNTHESIS; THIN FILMS; THIOLS; NANOSTRUCTURES; PROTECTIVE COATINGS; SENSORS; Nanoparticle, chemical sensor, vapor sensor, sorption, partition coefficient, gas chromatography, chemiresistor; Environmental Molecular Sciences Laboratory

Citation Formats

Grate, Jay W, Nelson, David A, Skaggs, Rhonda L, Synovec, Robert E, and Gross, Gwen M. Metal Nanoparticles Protected with Monolayers: Applications for Chemical Vapor Sensing and Gas Chromatography. United States: N. p., 2004. Web.
Grate, Jay W, Nelson, David A, Skaggs, Rhonda L, Synovec, Robert E, & Gross, Gwen M. Metal Nanoparticles Protected with Monolayers: Applications for Chemical Vapor Sensing and Gas Chromatography. United States.
Grate, Jay W, Nelson, David A, Skaggs, Rhonda L, Synovec, Robert E, and Gross, Gwen M. Wed . "Metal Nanoparticles Protected with Monolayers: Applications for Chemical Vapor Sensing and Gas Chromatography". United States.
@article{osti_903465,
title = {Metal Nanoparticles Protected with Monolayers: Applications for Chemical Vapor Sensing and Gas Chromatography},
author = {Grate, Jay W and Nelson, David A and Skaggs, Rhonda L and Synovec, Robert E and Gross, Gwen M},
abstractNote = {Nanoparticles and nanoparticle-based materials are of considerable interest for their unique properties and their potential for use in a variety of applications. Metal nanoparticles, in which each particle’s surface is coated with a protective organic monolayer, are of particular interest because the surface monolayer stabilizes them relative to aggregation and they can be taken up into solutions.(1-4) As a result they can be processed into thin films for device applications. We will refer to these materials as monolayer-protected nanoparticles, or MPNs. Typically the metal is gold, the organic layer is a self-assembled thiol layer, and this composition will be assumed throughout the remainder of this chapter. A diversity of materials and properties is readily accessible by straightforward synthetic procedures, either by the structures of the monolayer-forming thiols used in the synthesis or by post-synthetic modifications of the monolayers. A particularly promising application for these materials is as selective layers on chemical vapor sensors. In this role, the thin film of MPNs on the device surface serves to collect and concentrate gas molecules at the sensor’s surface. Their sorptive properties also lend them to use as new nanostructured gas chromatographic stationary phases. This chapter will focus on the sorptive properties of MPNs as they relate to chemical sensors and gas chromatography.},
doi = {},
url = {https://www.osti.gov/biblio/903465}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2004},
month = {3}
}

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