Selective deposition of Pd on porous alumina support using supercritical CO 2

Masahiko Matsukata, Takashi Nishizuka, Yasushi Sekine, Eiichi Kikuchi

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Citation (Scopus)

    Abstract

    A Pd/α-Al 2O 3 composite membrane was prepared on a porous α-Al 2O 3 disk via the thermal decomposition of bis(hexafluoroacetylacetonato)Pd(II), Pd(hfac) 2. Pd(hfac) 2 was dissolved in supercritical CO 2 at 303 K, supplied to the substrate, and thermally decomposed at 403 and 443 K. The decomposition of Pd(hfac) 2 at 443 K resulted in a sufficient pore filling of substrate with Pd as well as the formation of a thin Pd top layer. The hydrogen flux through this membrane was about 1.7 times than that of a electro-less plating Pd membrane with about 20 μm thick. Hydrogen permeation was governed by the solution-diffusion mechanism which gave a high separation selectivity.

    Original languageEnglish
    Title of host publicationMaterials Research Society Symposium - Proceedings
    EditorsV.N. Burganos, R.D. Noble, M. Asaeda, A. Ayral, J.D. LeRoux
    Pages265-270
    Number of pages6
    Volume752
    Publication statusPublished - 2003
    EventMembranes Preparation Properties and Applications - Boston MA, United States
    Duration: 2002 Dec 22002 Dec 5

    Other

    OtherMembranes Preparation Properties and Applications
    CountryUnited States
    CityBoston MA
    Period02/12/202/12/5

    Fingerprint

    Aluminum Oxide
    Carbon Monoxide
    Hydrogen
    Alumina
    Membranes
    Composite membranes
    Substrates
    Plating
    Permeation
    Pyrolysis
    Fluxes
    Decomposition

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials

    Cite this

    Matsukata, M., Nishizuka, T., Sekine, Y., & Kikuchi, E. (2003). Selective deposition of Pd on porous alumina support using supercritical CO 2 In V. N. Burganos, R. D. Noble, M. Asaeda, A. Ayral, & J. D. LeRoux (Eds.), Materials Research Society Symposium - Proceedings (Vol. 752, pp. 265-270)

    Selective deposition of Pd on porous alumina support using supercritical CO 2 . / Matsukata, Masahiko; Nishizuka, Takashi; Sekine, Yasushi; Kikuchi, Eiichi.

    Materials Research Society Symposium - Proceedings. ed. / V.N. Burganos; R.D. Noble; M. Asaeda; A. Ayral; J.D. LeRoux. Vol. 752 2003. p. 265-270.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Matsukata, M, Nishizuka, T, Sekine, Y & Kikuchi, E 2003, Selective deposition of Pd on porous alumina support using supercritical CO 2 in VN Burganos, RD Noble, M Asaeda, A Ayral & JD LeRoux (eds), Materials Research Society Symposium - Proceedings. vol. 752, pp. 265-270, Membranes Preparation Properties and Applications, Boston MA, United States, 02/12/2.
    Matsukata M, Nishizuka T, Sekine Y, Kikuchi E. Selective deposition of Pd on porous alumina support using supercritical CO 2 In Burganos VN, Noble RD, Asaeda M, Ayral A, LeRoux JD, editors, Materials Research Society Symposium - Proceedings. Vol. 752. 2003. p. 265-270
    Matsukata, Masahiko ; Nishizuka, Takashi ; Sekine, Yasushi ; Kikuchi, Eiichi. / Selective deposition of Pd on porous alumina support using supercritical CO 2 Materials Research Society Symposium - Proceedings. editor / V.N. Burganos ; R.D. Noble ; M. Asaeda ; A. Ayral ; J.D. LeRoux. Vol. 752 2003. pp. 265-270
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    abstract = "A Pd/α-Al 2O 3 composite membrane was prepared on a porous α-Al 2O 3 disk via the thermal decomposition of bis(hexafluoroacetylacetonato)Pd(II), Pd(hfac) 2. Pd(hfac) 2 was dissolved in supercritical CO 2 at 303 K, supplied to the substrate, and thermally decomposed at 403 and 443 K. The decomposition of Pd(hfac) 2 at 443 K resulted in a sufficient pore filling of substrate with Pd as well as the formation of a thin Pd top layer. The hydrogen flux through this membrane was about 1.7 times than that of a electro-less plating Pd membrane with about 20 μm thick. Hydrogen permeation was governed by the solution-diffusion mechanism which gave a high separation selectivity.",
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