Comparison of AFM and HRTEM to determine the metal particle morphology and loading of an Au/TiO2 catalyst Academic Article

abstract

• Atomic force microscopy (AFM) has been used to study the morphology of an ultrafine gold-on-titania catalyst. By using TappingMode AFM (TMAFM) and SuperSharp silicon probes to minimize tip radius artifacts, we determined values for the average Au particle diameter and the gold loading in good agreement with high-resolution transmission electron microscopy (HRTEM) results. These results demonstrate the ability of AFM to characterize real supported metal catalysts with small metal particles (<5 nm) and low metal loadings, achieving resolution comparable to HRTEM, but in the ambient environment.

authors

• Barteau, Mark

published proceedings

• CATALYSIS LETTERS

author list (cited authors)

• Dokou, E., Stangland, E. E., Andres, R. P., Delgass, W. N., & Barteau, M. A.

citation count

• 12

complete list of authors

• Dokou, E||Stangland, EE||Andres, RP||Delgass, WN||Barteau, MA

publication date

• December 2000

publisher

• Springer Nature  Publisher

published in

• Catalysis Letters  Journal

keywords

• Atomic Force Microscopy
• Au/tio2 Catalyst
• Catalyst Characterization
• High-resolution Transmission Electron Microscopy
• Supported Metal Catalysts

Digital Object Identifier (DOI)

• 10.1023/A:1019035821026

start page

• 1

end page

• 7

volume

• 70

issue

• 1-2

URL

• http://dx.doi.org/10.1023/a:1019035821026