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Shaislamov, U.,Krishnamoorthy, K.,Kim, S.J.,Abidov, A.,Allabergenov, B.,Kim, S.,Choi, S.,Suresh, R.,Ahmed, W.M.,Lee, H.J. Pergamon Press ; Elsevier Science Ltd 2016 International journal of hydrogen energy Vol.41 No.4
<P>In this study, we demonstrated a facile fabrication of highly stable CuO/ZnO nanorod-nanobranch based photocathode for photoelectrochemical hydrogen generation. Primary CuO nanorods (serving as a trunk) were synthesized via direct thermal oxidation of Cu nanorods that were grown by a template assisted electrodeposition method. Secondary ZnO nanobranches were uniformly grown on the entire surface of CuO nanorods via hydrothermal method. The prepared CuO/ZnO nanorod-nanobranch photoelectrode demonstrated an extremely high stability of 90% during a long term stability measurement. Morphological, optical and electrochemical characterizations have been carried out in order to understand the effects of ZnO nanorod branches on the overall electrochemical performance of the electrode. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.</P>
Fabrication of PZT Tubular Structures by a Template-wetting Process
U. A. Shaislamov,S. K. Hong,,B. Yang 한국세라믹학회 2007 한국세라믹학회지 Vol.44 No.5
Nanotubes and microtubes of ferroelectric lead zirconate titanate (PZT) were synthesized by means of a simple and convenient process called a template-wetting process. Nanoporous alumina and macroporous Si were used as template materials to fabricate the corresponding tubes. For the improvement of the wetting properties of the wetting solution, the PZT solution was mixed with a polymer. The polymer was removed completely during annealing. The grain growth processes of the PZT nanotubes during baking and furnace annealing were examined by means of field emission electron microscope (FE-SEM) and X-ray diffractometry (XRD).
BLT and Pt Nanotubes for High-Density Semiconductor Memories
Shaislamov U. A.,B. Yang 한국물리학회 2005 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.47 No.3
In this work, fabrication of BLT and Pt nanotubes for application in ferroelecric nanotube capacitors is reported. Porous alumina templates were wetted with precursor solutions containing polymeric sources. Crystallization and nucleation of the nanotubes were analyzed by means of XRD and FE-SEM techniques. RTA and FTA effects on nucleation and growth of BLT and Pt nanotubes are discussed.
Fabrication of PZT Tubular Structures by a Template-wetting Process
Shaislamov, U.A.,Hong, S.K.,Yang, B. The Korean Ceramic Society 2007 한국세라믹학회지 Vol.44 No.5
Nanotubes and microtubes of ferroelectric lead zirconate titanate (PZT) were synthesized by means of a simple and convenient process called a template-wetting process. Nanoporous alumina and macroporous Si were used as template materials to fabricate the corresponding tubes. For the improvement of the wetting properties of the wetting solution, the PZT solution was mixed with a polymer. The polymer was removed completely during annealing. The grain growth processes of the PZT nanotubes during baking and furnace annealing were examined by means of field emission electron microscope (FE-SEM) and X-ray diffractometry (XRD).
김세임,황지훈,이승욱,김락경,손수민,U. A. Shaislamov,양준모,양비룡 한국세라믹학회 2008 한국세라믹학회지 Vol.45 No.6
The purpose of this study is to characterize the photo-catalytic efficiency of TiO2 nanotube with respect to the distribution of anatase phase which can be changed by the annealing temperature of TiO2 nanotube. TiO2 nanotube was fabricated by the anodization method in the 0.5 wt% HF electrolyte. And then the TiO2 nanotube was annealed at temperatures ranging from 380 o C to 780 o C in dry oxygen ambient for 2 h. For the photo-catalytic water-splitting tests, the photocurrent density was measured as a function of applied potential with a potentiostat using a Ag/AgCl reference, Pt counter electrode, and 1M KOH electrolyte under illumination of UV by a Xe arc lamp of 1 KW. According to the UV photo-catalytic water-splitting tests, the nanotube annealed at 560 o C was found to show the highest photocurrent density. The purpose of this study is to characterize the photo-catalytic efficiency of TiO2 nanotube with respect to the distribution of anatase phase which can be changed by the annealing temperature of TiO2 nanotube. TiO2 nanotube was fabricated by the anodization method in the 0.5 wt% HF electrolyte. And then the TiO2 nanotube was annealed at temperatures ranging from 380 o C to 780 o C in dry oxygen ambient for 2 h. For the photo-catalytic water-splitting tests, the photocurrent density was measured as a function of applied potential with a potentiostat using a Ag/AgCl reference, Pt counter electrode, and 1M KOH electrolyte under illumination of UV by a Xe arc lamp of 1 KW. According to the UV photo-catalytic water-splitting tests, the nanotube annealed at 560 o C was found to show the highest photocurrent density.