Fabrication of periodically micropatterned magnetite nanoparticles by laser-interference-controlled electrodeposition
AffiliationChangchun University of Science and Technology
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AbstractThis paper introduces a laser-interference-controlled electrochemical deposition method for direct fabrication of periodically micropatterned magnetite (Fe3O4) nanoparticles (NPs). In this work, Fe3O4 NPs were controllably synthesized on the areas where the photoconductive electrode was exposed to the periodically patterned interferometric laser irradiation during the electrodeposition. Thus, the micropattern of Fe3O4 NPs was controlled by interferometric laser pattern, and the crystallization of the particles was controlled by laser interference intensity and electrochemical deposition conditions. The bottom-up electrochemical approach was combined with a top-down laser interference methodology. This maskless method allows for in situ fabrication of periodically patterned magnetite NPs on the microscale by electrodeposition under room temperature and atmospheric pressure conditions. In the experiment, Fe3O4 NPs with the mean grain size below 100 nm in the pattern of 5-lm line array were achieved within the deposition time of 100 s. The experiment results have shown that the proposed method is a one-step approach in fabricating large areas of periodically micropatterned magnetite NPs.
CitationWang L, Dong L, Li L, Weng Z, Xu H, Yu M, Wang Z. (2018) 'Fabrication of periodically micropatterned magnetite nanoparticles by laser-interference-controlled electrodeposition', Journal of Materials Science, 53 (5), pp.3239-3249.
JournalJournal of Materials Science
SponsorsThe ‘‘111’’ Project of China (D17017), National Key Basic Research Program of China (973 Program No. 2012CB326406), EU FP7 (BioRA No. 612641), China-EU H2020 (FabSurfWAR Nos. 2016YFE0112100 and 644971), EU H2020 (MNR4SCell No. 734174), National Natural Science Foundation Program of China (Nos. 61176002, 11103047 and 11504030), and Jilin Provincial Science and Technology Program (Nos. 20160520101JH,20160101318JC and 20160623002TC).
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