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Title: MIS-based sensors with hydrogen selectivity

Patent ·
OSTI ID:970537

The invention provides hydrogen selective metal-insulator-semiconductor sensors which include a layer of hydrogen selective material. The hydrogen selective material can be polyimide layer having a thickness between 200 and 800 nm. Suitable polyimide materials include reaction products of benzophenone tetracarboxylic dianhydride 4,4-oxydianiline m-phenylene diamine and other structurally similar materials.

Research Organization:
Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
The Regents of the University of Colorado (Boulder, CO)
Patent Number(s):
7,340,938
Application Number:
11/361,310
OSTI ID:
970537
Country of Publication:
United States
Language:
English

References (36)

Ultrathin, Gas-Selective Polyimide Membranes Prepared from Multilayer Polyelectrolyte Films journal January 2003
Real time measurements of hydrogen desorption and absorption during CO exposures of Pd: hydrogen sticking and dissolution journal May 1998
Surface Heterogeneity of Supported Palladium Catalyst for the Hydrogenation of Acetylene−Ethylene Mixtures journal March 1997
Preparation and characterization of SiO2 composite membrane for purification of hydrogen from methanol steam reforming as an energy carrier system for PEMFC journal July 2003
Ethylene adsorption on Pd( 111 ) studied using infrared reflection–absorption spectroscopy journal June 2002
Preparation and Characterizaton of SiO 2 Composite Membranes for Purification of Hydrogen for PEMFC journal July 2002
Theoretical Study of the Adsorption of Acetylene on the (111) Surfaces of Pd, Pt, Ni, and Rh journal January 2003
Thin oxide films as surface modifiers of MIS field effect gas sensors journal June 2002
Palladium and platinum gate metal‐oxide‐semiconductor capacitors in hydrogen and oxygen mixtures journal October 1982
Synthesis, Characterization, and Optical Properties of Metal-Containing Fluorinated Polyimide Films journal November 1998
The response of palladium metal-insulator-semiconductor devices to hydrogen–oxygen mixtures: comparisons between kinetic models and experiment journal November 2003
Membrane-based gas separation journal August 1993
Structure/permeability relationships of polyimide membranes. Applications to the separation of gas mixtures journal August 1989
Dehydrogenation of acetylene and ethylene studied on clean and oxygen covered palladium surfaces journal August 1986
The influence of CO on the response of hydrogen sensitive Pd-MOS devices journal August 1997
Density functional theory studies of the adsorption of ethylene and oxygen on Pt(111) and Pt[sub 3]Sn(111) journal January 2001
Gas permeability and permselectivity of photochemically crosslinked copolyimides journal July 1999
Why bother about gas-sensitive field-effect devices? journal August 1996
Hydrogen sensing in vacuum systems with catalytic field plate MNOS capacitors journal May 1997
Drift effects in transition metal gate MOS and MISFETs journal August 1993
Bridging the pressure gap for palladium metal-insulator-semiconductor hydrogen sensors in oxygen containing environments journal July 1998
Ordered structures of CO on Pd(111) studied by STM journal June 2002
Hydrogen sensitive mos-structures journal January 1981
High-Pressure Studies of CO Adsorption on Pd(111) by X-ray Photoelectron Spectroscopy and Sum-Frequency Generation journal April 2003
Effects of a polyimide coating on the hydrogen selectivity of MIS sensors journal May 2006
Permeability and permselectivity of gases in fluorinated and non-fluorinated polyimides journal January 1992
Some studies of molecularly-imprinted polymer membranes in combination with field-effect devices journal June 1993
Interfacial reactions in polyimide/metal systems journal April 1991
Effect of methyl substituents on permeability and permselectivity of gases in polyimides prepared from methyl-substituted phenylenediamines journal July 1992
Application of polymer-coated metal-insulator-semiconductor sensors for the detection of dissolved hydrogen journal June 2006
Selective isomerization of 2,5-dihydrofuran to 2,3-dihydrofuran using CO-modified, supported Pd catalysts journal March 2000
Effects of competitive carbon monoxide adsorption on the hydrogen response of metal–insulator–semiconductor sensors: the role of metal film morphology journal February 2003
Hydrogen sensitive mos-structures part 2: characterization journal January 1981
Polymer membranes for modification of the selectivity of field-effect gas sensors journal March 1992
Fabrication of Polymer/Selective-Flake Nanocomposite Membranes and Their Use in Gas Separation journal October 2004
Gas permeability and permselectivity in polyimides based on 3,3',4,4'-biphenyltetracarboxylic dianhydride journal November 1989

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