nano - porous anodic aluminium oxide

... PUBLISHING NANOTECHNOLOGY Nanotechnology 18 (2007) 345302 (4pp) doi:10.1088/095 7-4 484/18/34/345302 Nano- porous anodic aluminium oxide membranes with 6–19 nm pore diameters formed by a low-potential ... China E-mail: jzhu@mail.tsinghua.edu.cn Received 27 April 2007, in final form 5 June 2007 Published 27 July 2007 Online at stacks.iop.org /Nano/ 18/345302 Abstract Self-organized...

Ngày tải lên: 20/03/2014, 13:05

... the porous structure re- sults from the effect of a dynamic mechanical equilibrium between the film growth at the aluminium- oxide interface and the field-as- sisted oxide dissolution at the oxide electrolyte ... the enhancement of naturally-occurred self-ordering of nanopores in anodic aluminium oxide (AAO) membrane by performing three step anodic oxidation. Two and three step...

Ngày tải lên: 19/03/2014, 16:47

... Sb 14 with diameters of 6 0-2 00 nm, have been fabricated by electrodeposition into the nanopores. Carbon nanotubes 15 and boron nanowires 16 have been created in the AAO nanopores by utilizing a ... through-hole membranes. Examples for such applications include energy-efficient gas separation and pattern-transfer masks for e-beam evaporation, 19 reactive ion etching, 20 or molecular-beam ....

Ngày tải lên: 19/03/2014, 16:47

... Characterization of Anodic Titanium Oxide Nanotube Arrays of Controlled Length for Highly Efficient Dye-Sensitized Solar Cells Chien-Chon Chen, † Hsien-Wen Chung, † Chin-Hsing Chen, † Hsueh-Pei Lu, † Chi-Ming ... of a NT-DSSC. Third, the anode fabrication of a NT-DSSC is much simpler and cheaper than that of a NP-DSSC. Direct anodization of a Ti * Corresponding author. Fax: (886 )-0 3-5...

Ngày tải lên: 19/03/2014, 16:48

... in catalysis, optics and electronics, etc. Among the known porous anodic metal oxides, anodic aluminium oxide (AAO) and anodic titanium oxide (ATO) are the two most extensively investigated materials. ... of the self-organization of the nanotubes in ATO to form a honey- comb pattern. 3.4 Formation of O-rings The O-rings on the outer surface of the nanotubes are actually part of...

Ngày tải lên: 19/03/2014, 16:48

... use in a new field, nanotechnology . There are barrier-type and porous- type films in the AAO film. The porous- type AAO film is generally called as AAO film. AAO film is consid- ered a ‘‘nanohoneycomb’’ ... online 9 March 2006 Abstract A new method for the measurement of pore size of the porous- type anodic aluminum oxide (AAO) using atomic force microscopy (AFM) is proposed. The measuremen...

Ngày tải lên: 20/03/2014, 13:04

... z Keywords: Anodic aluminum oxide membrane; Nanopore; Stability Nanoscale materials have being widely studied because of their peculiar properties and potential applications. One-dimensional nanoscale ... nanoscale materials, nanowires and nanotubes, have attracted much atten- tion in recent years [1–3]. One of the most impor- tant method forthe preparation of the one-dimensional nanoscal...

Ngày tải lên: 20/03/2014, 13:08

... các đặc tính ưu việt của các hạt nano oxide sắt từ, chúng đã được ứng dụng rộng rãi trong một số lĩnh vực của y sinh học [8]. Theo nhiều nghiên cứu trước, nano oxide sắt từ có thể được chế tạo ... iron oxide nanoparticles Fe 3 O 4 , superparamagnetic, applications in biomedicine Title: Investigating the effect of concentration of material chemicals on the size and the magnetiz...

Ngày tải lên: 23/04/2013, 20:10

... two-stage porous media burner of 1 kW solid oxide fuel cell system Tzu-Hsiang Yen 1 , Wen-Tang Hong 2 , Yu-Ching Tsai 2 , Hung-Yu Wang 2 , Cheng-Nan Huang 2 , Chien-Hsiung Lee 2 , Bao-Dong ... H 2 9.8349E-02 2.9956E-08 H 0.0000E+00 2.1673E-10 O 0.0000E+00 7.0006E-08 O 2 1.6183E-01 1.1832E-01 OH 0.0000E+00 1.0119E-05 H 2 O 0.0000E+00 1.0343E-01 HO 2 0.0000E+00 2.6741E-08...

Ngày tải lên: 05/09/2013, 15:28