templated self-assembly of nanoporous alumina
templated self-assembly of nanoporous alumina
... Co particles of large size can be seen inside the pores of alumina. 286 C-4 SEM image of gold nanowires grown inside the porous alumina by reduction of hydrogen chloroaurate. Porous alumina was ... 178 6-15 Schematic of the process for fabricating 3-D porous alumina with modulated pore diameters 181 19 Templated Self-Assembly of Nanoporous Alumina: Pore Formation...
Ngày tải lên: 20/03/2014, 13:11
novel fabrication of nanoporous alumina membrane microtubes
... Fabrication of Nanoporous Alumina Membrane Microtubes Bull. Korean Chem. Soc. 2005, Vol. 26, No. 3 409 Novel Fabrication of Nanoporous Alumina Membrane Microtubes: 2-Dimensional Nanoporous Arrays ... the thickness of the porous nanochannels from a hundred of nanometers to a hundred of micrometers. 1,4 Such easy control ability of the pore diameter and the thickness mak...
Ngày tải lên: 20/03/2014, 13:05
Chemical of alumina reactions in aqueous solution and its application in water treatment
... Introduction 20 2. Classification of alumina 20 3. Physical and chemical properties of alumina 21 3.1. Surface of alumina 21 3.2. Models for the surface hydroxyl groups of alumina 22 3.2.1. Peri’s model ... the adsorption of NOM on alumina. Hano et al. w 213 x reported the feasibility of alumina as an adsorbent of phosphorous (the main cause of eutrophication) as a...
Ngày tải lên: 15/03/2014, 23:22
controlling factor of self-ordering of anodic porous alumina
... implies the importance of current density on the self-ordering of porous alumina regardless of the specific Figure 7. SEM images of the metal/oxide interfaces after removal of porous alumina formed in ... three types of self- ordered porous alumina all gave a porosity value of 0.1. They ex- plained that the porosity value of ϳ0.1, which was produced as a balance of form...
Ngày tải lên: 19/03/2014, 16:47
fabrication of nanomaterials using porous alumina templates
... two-step replication of honeycomb structures of anodic alumina. Science 268, 1466. Masuda H., F. Hasegawa & S. Ono, 1997. Self-ordering of cell arrangement of anodic porous alumina formed in ... redeposition of nonvolatile mate- rials on the sidewall of nanoholes. For instance, the initial porous alumina hole size of 45 nm was reduced to 13 nm Si holes when a higher asp...
Ngày tải lên: 19/03/2014, 16:48
on the growth sequence of highly ordered nanoporous
... expansion. Becau se of the random nucleation positions of initial pores, the hexagonally ordering of pores is just achieved in the first stages of anodizing at the bottom of porous oxide layer ... a two-step replication of honeycomb structures of anodic alumina. Science 1995;268:1466–8. [2] Masuda H, Satoh M. Fabrication of gold nanodot array using anodic porous alumina as...
Ngày tải lên: 20/03/2014, 13:05
structure of alumina nanowires synthesized by chemical etching
... composed of the byproducts of the reaction between alumina and the anodization or etching solution. Based on the results of this study, we suggest a possible mechanism of formation of the two-oxide-layer ... structure of alumina nanowires (ANWs) synthesized by the chemical etching of an anodic alumina membrane (AAM). The AAM was prepared by the two-step anodization method...
Ngày tải lên: 20/03/2014, 13:08
synthesis and application of dna-templated silver nanowires
... ultimate objective of this study is to explore the possibility of application of the DNA -templated silver nanowires in detecting ammonia gas. 2. Experimental 2.1. Preparation of DNA -templated silver ... Science Foundation of China (NO. 60574095), the Knowledge Innovation Program of the Chinese Academy of Science (kjcxz-sw-h12-02, 0723A11125) and the chief foundation of Hef...
Ngày tải lên: 20/03/2014, 13:08