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Title: 2D single- or double-layered vanadium oxide nanosheet assembled 3D microflowers: controlled synthesis, growth mechanism, and applications
Authors: Pang, Hongchang
Dong, Yongqiang
Ting, Siong Luong
Lu, Jinlin
Li, Chang Ming
Kim, Dong-Hwan
Chen, Peng
Keywords: Chemical and Biomedical Engineering
Issue Date: 2013
Source: Pang, H., Dong, Y., Ting, S. L., Lu, J., Li, C. M., Kim, D.-H., et al. (2013). 2D single- or double-layered vanadium oxide nanosheet assembled 3D microflowers: controlled synthesis, growth mechanism, and applications. Nanoscale, 5(17), 7790-7794.
Series/Report no.: Nanoscale
Abstract: A facile one-pot solvent-thermal method was developed to synthesize a unique 3D microflower structure assembled from single- or double-layered 2D nanosheets of V4O9 (F-VO). Simply by controlling the precursor concentration, yolk-shelled V4O9 (YS-VO) or bulk V4O9 (B-VO) can be produced instead. The precursor-concentration dependent growth mechanism is proposed. The exceptional catalytic/electrochemical properties and large specific surface area of F-VO promise a wide range of applications. As a proof-of-concept demonstration, we investigate its use in high-performance supercapacitors (∼392 F g−1), and for sensitive detection of H2O2 (with a low detection limit of ∼0.1 μM) and methanol (with a low detection limit of ∼60 μM). Furthermore, we show that F-VO greatly outperforms its counterparts (YS-VO and B-VO) presumably owing to its unique structure and crystal plane orientation.
ISSN: 2040-3364
DOI: 10.1039/c3nr02651e
Schools: School of Chemical and Biomedical Engineering 
Rights: © 2013 The Author(s). This is the author created version of a work that has been peer reviewed and accepted for publication in Nanoscale, published by Royal Society of Chemistry on behalf of The Author(s). It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document.  The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCBE Journal Articles

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