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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 5
BKCSDE 30(5)
May 20, 2009 

Facile Route to Laterally Graded Nanotemplate
Tae Hyeong Kim, Mi Sun Lee, Seung Ho Jung, Soo Hwan Jeong*
Anodic aluminum oxide, Graded nanotemplate, Silica nanotubes
Preparation of graded materials displaying gradients of desired properties is one of the important issues and less-developed areas in materials chemistry. For the first time we demonstrate facile control of porosity and length in the pores of AAO template in lateral directions by controlled dipping method. To demonstrate the versatility of the proposed method, laterally graded silica nanotubes are also prepared by using the laterally graded AAO templates. The method demonstrated here will open numerous possibilities for obtaining a variety of graded materials with lateral gradients of catalytic, electrochemical, mechanical and optical properties on the nanoscale.
1131 - 1134
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