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OLS Field Name OLS Field Data
Main Title Chemical sensors fundamentals of sensing materials. Volume 2, Nanostructured materials / [electronic resource] :
Type EBOOK
Other Authors
Author Title of a Work
Korotcenkov, Ghenadii.
Publisher Momentum Press,
Year Published 2010
Call Number TP159.C46C4472 2010
ISBN 9781606501085 (electronic bk.); 1606501089 (electronic bk.)
Subjects Chemical detectors. ; Nanostructured materials. ; Nanotechnology.
Internet Access
Description Access URL
http://site.ebrary.com/lib/epa/Doc?id=10438701
Edition 1st ed.
Collation 1 electronic text (xix, 379 p. : ill.) : digital file.
Notes
Includes bibliographical references and index. Title from PDF t.p. (viewed on October 24, 2010).
Due to license restrictions, this resource is available to EPA employees and authorized contractors only
Contents Notes
Preface to Chemical sensors: fundamentals of sensing materials -- Preface to volume 2: Nanostructured materials -- About the editor -- Contributors -- 1. Introduction to nanomaterials and nanotechnology / G. Korotcenkov, B. K. Cho -- What are nanomaterials? -- A brief history of nanotechnology -- What distinguishes nanomaterials from bulk materials? -- Nanomaterials manufacturing -- Nanotechnology and its possibilities -- Nanotechnology: future trends -- Acknowledgments -- References -- 2. Quasi-one-dimensional metal oxide structures: synthesis, characterization, and application as chemical sensors / Pai-Chun Chang, Dongdong Li, Jia G. Lu -- Introduction -- Synthesis of Q1D nanomaterials -- Vapor-phase growth methods -- Solution-phase growth methods -- Template-based growth methods -- Electrical transport properties and optical characteristics -- Nanowire field-effect transistors and electrical properties -- Photoluminescence characteristics -- Metal oxide nanowire chemical sensors -- Sensor device fabrication -- Mechanism of nanowire sensor detection -- Other types of Q1D structured sensors -- Summary and future outlook -- References -- 3. Carbon nanotubes and fullerenes in chemical sensors / G P. Kotchey, A. Star -- Introduction -- History of fullerenes and carbon nanotubes -- Structure of fullerenes -- Structure of carbon nanotubes -- Synthesis of fullerenes and carbon nanotubes -- Synthesis of fullerenes -- Synthesis of carbon nanotubes -- Properties of carbon nanotubes -- Physical/mechanical properties -- Electronic properties -- Spectroscopic properties -- Chemical modification and functionalization of carbon nanotubes -- Introduction -- Noncovalent functionalization -- Covalent functionalization -- Solid-state electrical conductivity CNT sensors -- Nanotube FET for gas-sensing applications -- NO2 detection using resistivity measurements -- Gas and vapor detection using functionalized CNTs -- Chemicapacitors -- Employing NTFETs for protein detection -- Conductometric glucose biosensor -- Raman sensors -- A Surface-Enhanced Raman Scattering (SERS)-based pH sensor -- "Multicolored" Raman probes for biological imaging and detection -- Optical sensors -- Employing SWNTs as fluorophores for long-term optical glucose -- Sensing -- Employing spectroscopic properties of SWNTs to detect DNA hybridization -- Electrochemical sensors -- Employing electrochemistry to monitor DNA hybridization -- Electrochemical-based glucose sensing -- Field-emission sensors -- A CNT-based triode sensor that employs the field-emission effect to detect gas density -- Electromechanical resonators -- Nanomechanical nanotube resonators for the detection of evaporated chromium atoms -- Surface Acoustic Wave (SAW) devices that employ Buckminsterfullerene (C60) for the detection of toxic organic vapors -- Outlook -- References -- 4. Sensors based on monolayer-capped metallic nanoparticles / U. Tisch, H. Haick -- Introduction -- Synthesis of MCNPs and deposition of solid MCNP films -- Synthesis of MCNPs -- Surface functionalization of metal nanoparticles -- Methods of MCNP film deposition -- Four good reasons to use monolayer-capped metallic nanoparticles for chemical sensing -- Controllable chemical composition -- Controllable size and shape -- Controllable nanoparticle assembly -- Biocompatibility -- Chemical sensors based on MCNPs -- Basic principles -- "Lock-and-key" sensor versus "electronic nose" -- The role of the number of nanoparticles in chemical sensing -- Categories of MCNP-based chemical sensors -- Optical sensors -- Chemiresistors -- Electrochemical sensors -- Piezoelectric sensors -- Concluding remarks -- Acknowledgments -- References -- 5. Porous semiconductors: advantages and disadvantages for gas sensor applications / G. Korotcenkov -- Introduction -- Porous semiconductors: principles of fabrication and properties -- Principles of porous silicon fabrication -- Properties of porous silicon -- Techniques for forming the porous silicon layer -- Porosification of standard semiconductors -- Gas sensors based on porous semiconductors, approaches and characteristics -- Capacitance-type gas sensors -- Gas sensors employing photoluminescence quenching -- Sensors based on optical measurements -- Conductometric-type gas sensors -- Gas sensors based on Schottky barriers and heterostructures -- Gas sensors based on measurement of contact potential difference -- Gas sensors based on simultaneous control of several parameters of the porous material -- Disadvantages of porous semiconductor gas sensors -- Surface modification of porous semiconductors to improve gas-sensing characteristics -- Advantages of porous silicon for applications in micromachining sensor technology -- Outlook -- Acknowledgments -- References -- 6. Ordered mesoporous films and membranes: synthesis, properties, and applications in gas sensors / M. Tiemann -- Introduction -- Porosity in resistive gas sensors -- Categories of porosity -- Gas diffusion in porous materials -- Porous films for selective gas sensing -- Other porosity-related nanostructural aspects -- Synthesis methods -- Mesoporous metal oxides by conventional synthesis methods -- Mesoporous materials by supramolecular structure directors -- Mesoporous materials by structure replication -- Summary -- References -- 7. Chemical sensors based on zeolites / R. Moos, K. Sahner -- Introduction -- Zeolites, properties and applications -- Zeolites as an auxiliary phase in chemical sensors -- Zeolites as host materials -- Zeolites as filters -- Zeolites as preconcentrators -- Zeolites as templates -- Zeolites as the functional (sensitive) phase -- Adsorptivity -- Ionic conductivity -- Catalytic activity -- Conclusion -- References -- 8. Nanocomposites: from fabrication to chemical sensor applications / Rajesh, T. Ahuja, D. Kumar -- Introduction -- Types of nanocomposites -- General approaches to nanocomposite fabrication -- Metal oxide-based nanocomposites -- Synthesis -- Properties -- Application in chemical sensors -- Polymer-based nanocomposites -- Synthesis -- Properties -- Application in chemical sensors -- Carbon nanotube-based nanocomposites -- Synthesis -- Properties -- Application in chemical sensors -- Noble metal-based nanocomposites -- Synthesis -- Properties -- Application in chemical sensors -- Outlook -- Acknowledgment -- References -- Index. Nanomaterials and nanotechnology are new fields of science and technology. Fundamentally, nanotechnology is about manipulating and making materials at the atomic and molecular levels. It is expected that nanotechnology will change solid-state gas sensing dramatically and will probably gain importance in all fields of sensor application over the next 10 to 20 years. Nanotechnology is still in its infancy, but the field has been a hot area of research globally since a few years ago. It has been found that with reduction in size, novel electrical, mechanical, chemical, catalytic, and optical properties can be introduced. As a result, it has been concluded that one-dimensional structures will be of benefit for developing new-generation chemical sensors that can achieve high performance. Therefore, in the last decade, the study of 1-D materials has become a primary focus in the field of chemical sensor design. Synthesis of new nano objects and exploitation of their extraordinary properties is the goal and dream of many researchers engaged in the field of sensor design. In addition, it has also been established that 1-D structures may be ideal systems in which to study the nature of chemical sensing effects.