Co3O4/MnO2 Core/Shell-Nanostructured Pseudocapacitor Electrode

Title
Co3O4/MnO2 Core/Shell-Nanostructured Pseudocapacitor Electrode
Author
방진호
Keywords
Photocatalysis; Water oxidation; Porous g-C3N4; Co3O4 quantum dots; Nanosheets
Issue Date
2014-08
Publisher
ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Citation
Bulletin of the Korean Chemical Society, 2014, 35(8), p2541-2543
Abstract
Here we report a facile annealing process for homogeneous deposition of Co3O4 quantum dots (Co3O4 QDs) onto porous g-C3N4 nanosheets. It was discovered that pores were catalytically produced around Co3O4 QDs. In the synthesis, annealing temperature was found to be crucial for the textural property, optical absorption, and the corresponding photocatalytic water oxidation as well as photochemical performances. The highest specific surface area, pore volume and optimal 02 production rate as well as the highest photocurrent were obtained on 0.8 wt.% Co3O4 QDs decorated g-C3N4 nanosheets annealed at 300 degrees C (0.8% Co3O4-C3N4-300). These results underline the importance of surface heterojunction and afford us a feasible protocol for rational design of g-C3N4 based photocatalysts for water oxidation.
URI
http://koreascience.or.kr/article/ArticleFullRecord.jsp?cn=JCGMCS_2014_v35n8_2541http://hdl.handle.net/20.500.11754/46992
ISSN
0253-2964
DOI
10.5012/bkcs.2014.35.8.2541
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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