Quantitative high-resolution microscopy of size-controlled metallic nanodots on titania photocatalysts

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

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Publication details

Title of host publicationElectron Microscopy and Analysis Group Conference 2009 (EMAG 2009)
DatePublished - 2010
Number of pages4
PublisherTaylor and Francis
Original languageEnglish

Publication series

NameInstitute of Physics Conference Series
PublisherIOP Publishing LTD
ISSN (Print)1742-6588


We applied the cryo-HAADF-STEM tomography (cryogenic Tecnai G2 Plara) for analysing three-dimensional nano-structures of platinum (Pt) and gold (Au) nanodots synthesised on titanium dioxide. The structural parameters such as particle size, density and volume were successfully evaluated and compared between macroscopic properties (inethylene blue dissolution and CO oxidation). The atomic structures of metallic clusters on the TiO2 surface were also carefully investigated by using double aberration corrected TEM/STEM (double AC JEOL JEM-2200FS) in order to study the quantum size effect of these noble metals.

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