Journal
MICROPOROUS AND MESOPOROUS MATERIALS
Volume 130, Issue 1-3, Pages 208-214Publisher
ELSEVIER
DOI: 10.1016/j.micromeso.2009.11.008
Keywords
Meso-structured lamellar MnO2; Sodium dodecyl sulfate (SDS); Anodic potentiostatic deposition; UV/ozone treatment; Electrochemically prepared meso-structure
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Funding
- Korea Science and Engineering Foundation (KOSEF) [R0A-2007-000-10042-0]
- Ministry of Science and Technology [R0A-2007-000-10042-0]
- US Department of Energy [DEAC02-98CH10886]
- National Research Foundation of Korea [R0A-2007-000-10042-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Meso-structured lamellar manganese oxide thin films were prepared electrochemically using an anodic potentiostatic deposition method in a dilute surfactant solution of sodium dodecyl sulfate. The effects of the deposition potential, surfactant type, surfactant concentration and concentration of manganese ions on the electrochemical preparation of the meso-structured manganese oxide thin films were examined. Meso-structured lamellar MnO2 was formed only in the solution containing 0.1 M MnSO4 and 5 wt.% SIDS. The UV/ozone treatment could successfully remove most of the surfactant template under non-thermal conditions without destroying the as-synthesized lamellar meso-structure of MnO2. Small-angle XRD and HRTEM confirmed the meso-structured lamellar biphase with a repeat unit of 3.75 and 3.01 nm, respectively. (C) 2009 Elsevier Inc. All rights reserved.
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