Characterization of the H2 sensing mechanism of Pd-promoted SnO2 by XAS in operando conditions

被引：31

作者：

Safonova, OV

Neisius, T

Ryzhikov, A

Chenevier, B

Gaskov, AM

Labeau, M

机构：

[1] European Synchrotron Radiat Facil, F-38043 Grenoble, France

[2] Inst Natl Polytech Grenoble, LMGP, CNRS, UMR 5628, F-38402 St Martin Dheres, France

[3] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia

来源：

CHEMICAL COMMUNICATIONS | 2005年 / 41期

关键词：

D O I：

10.1039/b509826b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The effect of Pd nanoparticles on the H-2 sensitivity of SnO2 thin films was studied in real working conditions using X-ray Absorption Spectroscopy ( XAS), electrical conductivity measurements and mass-spectrometry.

引用

页码：5202 / 5204

页数：3

共 14 条

[1] Real-space multiple-scattering calculation and interpretation of x-ray-absorption near-edge structure [J].

Ankudinov, AL ;

Ravel, B ;

Rehr, JJ ;

Conradson, SD .

PHYSICAL REVIEW B, 1998, 58 (12) :7565-7576

[2] Time-dependent conductance of Pd-dosed SnO2 (110) [J].

Cavicchi, R ;

Sukharev, V ;

Semancik, S .

SURFACE SCIENCE, 1998, 418 (03) :L81-L88

[3] Role of Pt aggregates in Pt/SnO2 thin films used as gas sensors -: Investigations of the catalytic effect [J].

Gaidi, M ;

Hazemann, JL ;

Matko, I ;

Chenevier, B ;

Rumyantseva, M ;

Gaskov, A ;

Labeau, M .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2000, 147 (08) :3131-3138

[4] The kinetics of carbon monoxide oxidation on tin(IV) oxide supported platinum catalysts [J].

Grass, K ;

Lintz, HG .

JOURNAL OF CATALYSIS, 1997, 172 (02) :446-452

[5] Room-temperature response of platinised tin dioxide gas-sensitive resistors [J].

Henshaw, GS ;

Ridley, R ;

Williams, DE .

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1996, 92 (18) :3411-3417

[6] Comparison of the Sn L edge X-ray absorption spectra and the corresponding electronic structure in Sn, SnO, and SnO2 [J].

Liu, ZL ;

Handa, K ;

Kaibuchi, K ;

Tanaka, Y ;

Kawai, J .

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 2004, 135 (2-3) :155-158

[7] XPS and SSIMS studies of Pd/SnOx system:: reduction and oxidation in'hydrogen containing air [J].

Moroseac, M ;

Skála, T ;

Veltruská, K ;

Matolín, V ;

Matolínová, I .

SURFACE SCIENCE, 2004, 566 (1-3 PART 2) :1118-1123

[8] Complexation of uranium(VI) with protocatechuic acid - application of iterative transformation factor analysis to EXAFS spectroscopy [J].

Rossberg, A ;

Reich, T ;

Bernhard, G .

ANALYTICAL AND BIOANALYTICAL CHEMISTRY, 2003, 376 (05) :631-638

[9] Mechanism of sensing CO in nitrogen by nanocrystalline SnO2 and SnO2(Pd) studied by Mossbauer spectroscopy and conductance measurements [J].

Safonova, O ;

Bezverkhy, I ;

Fabrichnyi, P ;

Rumyantseva, M ;

Gaskov, A .

JOURNAL OF MATERIALS CHEMISTRY, 2002, 12 (04) :1174-1178

[10] CO and NO2 gas sensitivity of nanocrystalline tin dioxide thin films doped with Pd, Ru and Rh [J].

Safonova, OV ;

Delabouglise, G ;

Chenevier, B ;

Gaskov, AM ;

Labeau, M .

MATERIALS SCIENCE & ENGINEERING C-BIOMIMETIC AND SUPRAMOLECULAR SYSTEMS, 2002, 21 (1-2) :105-111

← 1 2 →