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Title: Characterization and field emission performance of electrochemically synthesized FeOOH nanowalls
Authors: Chin, K.C. 
Cui, H. 
Sow, C.H. 
Sheu, F.S. 
Van, L.H. 
Gao, X. 
Wee, A.T.S. 
Keywords: Electrochemical
Iron oxyhydroxide
Issue Date: Sep-2007
Citation: Chin, K.C., Cui, H., Sow, C.H., Sheu, F.S., Van, L.H., Gao, X., Wee, A.T.S. (2007-09). Characterization and field emission performance of electrochemically synthesized FeOOH nanowalls. Journal of Nanoscience and Nanotechnology 7 (9) : 3301-3306. ScholarBank@NUS Repository.
Abstract: We report a direct method for the synthesis of Iron(III) oxyhydroxide (FeOOH) nanowalls using an electrochemical technique at room temperature. The length of the nanowalls can be varied depending on the number of repetitive potentiostatic pulse cycles during the electrochemical process. The samples were characterized by ex-situ techniques such as SEM, XPS, FTIR, and TEM. Field emission performances of these nanowalls are also reported for the first time. The measured turn-on electric field is about 4.8 V/μm, with emission current density of 0.12 mA/cm 2 at 7.3 V/μm. This technique provides a simple alternative method for large area synthesis of FeOOH nanowalls. Copyright © 2007 American Scientific Publishers All rights reserved.
Source Title: Journal of Nanoscience and Nanotechnology
ISSN: 15334880
DOI: 10.1166/jnn.2007.870
Appears in Collections:Staff Publications

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