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External electric field driven 3D ordering architecture of silver (I) oxide meso-superstructures

Paper ID Volume ID Publish Year Pages File Format Full-Text
32361 44924 2010 8 PDF Available
Title
External electric field driven 3D ordering architecture of silver (I) oxide meso-superstructures
Abstract

SummaryWe report an external electric field driven particle-mediated “bottom-up” assembling methodology to in situ build the Ag2O meso-superstructures with controlled shape and size within an electrochemical deposition system. Different shapes (rhombic hexahedron, cube and dodecahedron) and sizes (around 100 to ∼800 nm) of Ag2O mesocrystals have been obtained by the adjustment of the applied overpotential as well as the growth time. Various overpotentials play a crucial role in determining the shapes, structures as well as growth modes of the final product. The growth mechanism of polyhedral structures of Ag2O meso-superstructures is explained by the oriented attachment from the nature of crystallographic surfaces and the external electric induced ordering alignment process of primary nanoparticle building blocks. Thus, the current strategy not only provides the direct evidence of an external electric field driving in situ mesoassembling process, but also may be extended to other systems to synthesize the meso-superstructures.

Keywords
Meso-superstructures; External electric field; Ordering assembly; Polyhedral Ag2O
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External electric field driven 3D ordering architecture of silver (I) oxide meso-superstructures
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Publisher
Database: Elsevier - ScienceDirect
Journal: - Volume 5, Issue 3, June 2010, Pages 175–182
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us