hybrid metal oxide and multiwall carbon nanotube films for low temperature gas sensing

... Sensors and Actuators B 127 (2007) 137–142 Hybrid metal oxide and multiwall carbon nanotube films for low temperature gas sensing E.H. Espinosa a , R. Ionescu a , ... specific metal oxide in order to enhance sensitivity. © 2007 Elsevier B.V. All rights reserved. Keywords: Gas sensors; Hybrid metal oxides/MWCNTs; Low temperature operation 1. Introduction...

Ngày tải lên: 19/03/2014, 16:48

... high density, well-ordered nanotube arrays. While efforts to fab- ricate high-quality crystalline ropes or bundles of carbon nanotubes 10 and aligned arrays of isolated carbon nanotubes 11–14 have ... isolated carbon nanotubes with uniform diameters and periodic arrangement to meet device requirements. In this letter, we describe a method for fabri- cating large arrays of parall...

Ngày tải lên: 19/03/2014, 16:48

... consideration. See the answer/enrollment form after the article for additional information regarding the program. Readability and Patient Education Materials Used for Low- Income Populations MEG WILSON, ... poverty, 8,9 Medicare and Medicaid recipients, and the uninsured had lower health literacy levels. The Agency for Heal thcare Research and Quality (AHRQ) 2 examined the rela...

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... training and related services; prepare for and obtain employment; prepare for and enter post-secondary training and education; provide personal and emotional support to youth through mentors and the promotion ... counseling, employment, education, and other appropriate services to current and former foster care recipients up to the age of 21; and make vouchers available...

Ngày tải lên: 06/03/2014, 19:20

... of their form (for example microsphere). The examples are supports produced from ordered mesoporouscarbons, carbon aerogels, carbon nanotubes, carbonnanohorns, carbon nanocoils and carbon nanofibers. ... rpm and 1000 rpm. Carbon nanocoils were grown at 700 8C for 30 min using C 2 H 4 gas. Few works have been performed on catalysts supported on CNHs or CNCs for use in low-...

Ngày tải lên: 23/04/2014, 22:32

... Bittencourt, A. Fel- ten, J J. Pireaux, X. Correig, E. Llobet, Hybrid metal oxide and multiwall carbon nanotube films for low temperature gas sensing, Sens. Actuators B 127 (2007) 137–142. [14] N.V. ... press as: N. Van Hieu, et al., Gas- sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive sensor for ethanol and liqu...

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Ngày tải lên: 23/02/2014, 02:20

... design and power consumption. Fortunately, metal oxide nanowire based gas sensors have demonstrated significantly higher sensitivity at room temperature. For example, room temperature NO 2 sensing ... research effort focuses on the chemical sensing based on metal oxide nanowires, such as zinc oxide (ZnO), tin oxide (SnO 2 ), indium oxide (In 2 O 3 ) aluminum oxide...

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