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dc.contributor.authorPichitchai Pimpangen_US
dc.contributor.authorAhmad Sabirin Zoolfakaren_US
dc.contributor.authorDuangmanee Wongratanaphisanen_US
dc.contributor.authorAtcharawon Gardchareonen_US
dc.contributor.authorEmily P. Nguyenen_US
dc.contributor.authorSerge Zhuiykoven_US
dc.contributor.authorSupab Choopunen_US
dc.contributor.authorKourosh Kalantar-Zadehen_US
dc.description.abstractThere are still many unknowns regarding assembly processes. In this work, we demonstrate the capability of atomic force microscopy (AFM) adhesion mapping in revealing the conditions that promote the light-induced assembly of nanoparticles (NPs) on nanostructured surfaces in inorganic systems, both in macro- and nanodomains. Gold (Au) NPs and zinc oxide (ZnO) nanostructures are employed as the model materials, and different characterization techniques are used for extracting the relationship between the materials' crystallinity, stoichiometry, and morphology as well as surface adhesion mapping information. The light-induced assembly of Au NPs is associated with the attraction forces between the opposite surface charges of the NPs and preferential ZnO sites, which can be identified by adhesion mapping. We show that the yield of Au nanoclusters assembled onto the ZnO surface depends on the crystallinity and stoichiometry of ZnO and is not due to the roughness of the surface. The presented experiments demonstrate that AFM adhesion mapping can be used as an invaluable tool for predicting the strength and directions of assembly processes. © 2013 American Chemical Society.en_US
dc.subjectMaterials Scienceen_US
dc.titleAtomic force microscopy adhesion mapping: Revealing assembly process in inorganic systemsen_US
article.title.sourcetitleJournal of Physical Chemistry Cen_US
article.volume117en_US Universityen_US Mai Universityen_US Teknologi MARAen_US Scientific and Industrial Research Organizationen_US
Appears in Collections:CMUL: Journal Articles

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