DOI: 10.1557/jmr.1993.1829. XRD characterization of highly dispersed metal catalysts on carbon support

XRD characterization of highly dispersed metal catalysts on carbon support

10.1557/jmr.1993.1829

Crossref journal-article

Springer Science and Business Media LLC

Journal of Materials Research (297)

Abstract

Carbon-supported Pt catalysts were prepared from H2PtCl6 or K2PtCl6 aqueous solutions. Particle size and structure after several thermal activation treatments were studied by X-Ray Diffraction (XRD), Transmission Electron Microscopy (TEM), and Cyclic Voltammetry (CV), and the results of the three techniques were compared. As the catalysts were highly dispersed on an amorphous support, a conventional XRD profile analysis for crystallite size determination could not be performed properly, because of the strong overlapping between the broad Pt peaks superposed to the halos of the amorphous phase. Thus, a new procedure of whole XRD pattern fitting, based on the Rietveld method, was used to have reliable data of Pt particle size (surface area) and lattice parameter. All structural and microstructural parameters were refined within the same procedure, also considering the transparency of the carbon supported catalysts and minimizing the effect of the amorphous background. The method can also take into account the presence of bimodal particle size distributions, which is difficult to study by CV or TEM.

Bibliography

Scardi, P., & Antonucci, P. L. (1993). XRD characterization of highly dispersed metal catalysts on carbon support. Journal of Materials Research, 8(8), 1829â1835.

Authors 2

Paolo Scardi (first)
Pier Luigi Antonucci (additional)

References 24 Referenced 19

{'key': 'S0884291400021385_ref014', 'first-page': '216', 'volume-title': 'Accuracy in Powder Diffraction II', 'author': 'Scardi'} / Accuracy in Powder Diffraction II by Scardi
10.1149/1.2086566
10.1016/0021-9517(90)90273-M
10.1107/S0021889869006558
10.1107/S0365110X67000234
{'key': 'S0884291400021385_ref021', 'volume': '32', 'author': 'Wasserman', 'year': '1974', 'journal-title': 'Surf. Sci'} / Surf. Sci by Wasserman (1974)
10.1007/978-1-4615-7458-3_8
{'key': 'S0884291400021385_ref003', 'volume-title': 'Structure of Metallic Catalysts', 'author': 'Anderson', 'year': '1975'} / Structure of Metallic Catalysts by Anderson (1975)
{'key': 'S0884291400021385_ref022', 'volume-title': 'Development of Ternary Alloy Cathode Catalysts for Phosphoric Acid Fuel Cells', 'year': '1988'} / Development of Ternary Alloy Cathode Catalysts for Phosphoric Acid Fuel Cells (1988)
10.1107/S0021889872008921
10.1524/zkri.1985.170.1-4.275
10.1107/S0021889892001122
10.1107/S0021889890002382
{'key': 'S0884291400021385_ref015', 'volume': '36', 'author': 'Giordano', 'year': '1991', 'journal-title': 'Electrochimica Acta'} / Electrochimica Acta by Giordano (1991)
10.1016/0304-5102(89)80060-4
10.1016/0001-6160(83)90089-5
{'key': 'S0884291400021385_ref013', 'first-page': '69', 'volume-title': 'Advances in X-ray Analysis', 'volume': '35A', 'author': 'Scardi', 'year': '1992'} / Advances in X-ray Analysis by Scardi (1992)
{'key': 'S0884291400021385_ref002', 'volume': '26', 'author': 'Somorjai', 'year': '1977', 'journal-title': 'Adv. Cat'} / Adv. Cat by Somorjai (1977)
10.4028/www.scientific.net/MSF.79-82.233
{'key': 'S0884291400021385_ref017', 'first-page': '643', 'volume-title': 'X-Ray Diffraction Procedures for Polycrystalline and Amorphous Materials', 'author': 'Klug', 'year': '1974'} / X-Ray Diffraction Procedures for Polycrystalline and Amorphous Materials by Klug (1974)
10.1039/f19858100321
{'key': 'S0884291400021385_ref001', 'volume': '20', 'author': 'Boudart', 'year': '1969', 'journal-title': 'Adv. Cat'} / Adv. Cat by Boudart (1969)
10.1016/0378-5963(80)90050-1
10.1063/1.1699713

Dates

Type	When
Created	17 years, 11 months ago (Sept. 27, 2007, 6:43 a.m.)
Deposited	4 years, 6 months ago (Feb. 24, 2021, 4:48 p.m.)
Indexed	1 month, 2 weeks ago (July 16, 2025, 9:16 a.m.)
Issued	32 years, 1 month ago (Aug. 1, 1993)
Published	32 years, 1 month ago (Aug. 1, 1993)
Published Online	14 years, 7 months ago (Jan. 31, 2011)
Published Print	32 years, 1 month ago (Aug. 1, 1993)

Funders 0

None

BibTeX

@article{Scardi_1993, title={XRD characterization of highly dispersed metal catalysts on carbon support}, volume={8}, ISSN={2044-5326}, url={http://dx.doi.org/10.1557/jmr.1993.1829}, DOI={10.1557/jmr.1993.1829}, number={8}, journal={Journal of Materials Research}, publisher={Springer Science and Business Media LLC}, author={Scardi, Paolo and Antonucci, Pier Luigi}, year={1993}, month=aug, pages={1829–1835} }

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