Thin films palladium

Uemiya, S. et al., Separation of hydrogen through palladium thin film supported on a porous glass tube, /. Membr. Sci., 56, 303,1991a. 

Mechanism of hydrogen sensing with palladium thin films. 

An early resistive hydrogen sensor, developed at Bendix Corporation [32], consisted of two palladium thin films deposited on a glass slide, with gold or silver contacts at their ends. Each strip, 8 mm long and 0.5 mm wide. 

Atashbar M. Z., Bazuin B. J., Simpeh M., and Krishnamurthy S., 3-D Finite element simulation model of saw palladium thin film hydrogen sensor, presented at IEEE International Ultrasonics, Ferroelectrics and Frequency control Joint 50th Anniversary Conference, August 24-27, 2004, Montreal, Canada. 

Zhang J, Qiu C, Ma H et al (2008) Facile fabrication and unexpected electrocatalytic activity of palladium thin films with hierarchical architectures. J Phys Chem C 112 13970-13975... 

Pt and Pd nitride nanoparticles have been synthesized by sputtering of the parent metal with N2 plasma [85]. Traditional solid-state synthesis techniques are often unsuccessful in creating Pt/Pd nitrides due to the low M-N bond strength. Physical vapor deposition processes such as sputtering can, however, often produce materials that are not expected thermodynamically due to the nature of the reaction. In this study, platinum and palladium thin films and nanoparticles were... 

As was noted before, the kinetics of palladium-based sensor response is limited by bulk diffusion. This means that response at room temperatures cannot be fast. Ding et al. (2006) proposed to resolve this problem by forming nanoporous palladium thin films using anodic alnminum oxide (AAO) templates. Ding et al. (2006) have found that porons films had lower detection limit and faster and sharper response than the dense palladium films. Ding et al. (2006) believe that the film delamination problem may be alleviated in the nanoporous structures as well. 

Sakamoto Y, Takai K, Takashima I, Imada M (1996) Electrical resistance measurements as a function of composition of palladium-hydrogen(deuterium) systems by a gas phase method. J Phys Condens Matter 8 3399-3411 Schroeder K, Ecke W, WUlsch R (2009) Optical fibre Bragg grating hydrogen sensor based on evanescent-field interaction with palladium thin-film transducer. Opt Lasers Eng 47(10) 1018-1022 Sharma AK, Gupta BD (2007) On the performance of different bimetaUic combinations in surface plasmon resonance based fiber optic sensors. J Appl Phys 101(9) 093111... 

Zhao Z, Carpenter MA, Xia H, Welch D (2006) All-optical hydrogen sensor based on a high aUoy content palladium thin film. Sens Actuators B 113 532-538... 

Hydrogen Palladium coated fiber Palladium thin films Transmission/ absorption — 650 0.2. 6% — 20-30 S 41... 

RESS was also used as an alternative to the conventional chemical vapor deposition (CVD) process in the preparation of thin films (77-79). A general procedure involved rapid expansion of an SCF solution onto a heated substrate in a vacuum chamber. For example, palladium thin films were prepared via the rapid expansion of a bis-(2,2,7-trimethyl-3,5-octanedionato)palladium(II) solution in supercritical pentane at 205°C and 1200 psia onto a silicon substrate heated to 515-740°C (77,78). High-quality InP films were obtained by a similar procedure (79). 

Catalyst deposition cCVD growth Palladium thin film Silver deposition... 

---