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Hierarchical Metallic and Ceramic Nanostructures Produced via a Hybrid Approach Combining Laser Interference Ablation and Block Co-Polymer Phase Separation

Published online by Cambridge University Press:  22 May 2012

Taiwo R. Alabi ,
Dajun Yuan  and
Suman Das
Taiwo R. Alabi
Affiliation:
Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405 U.S.A.
Dajun Yuan
Affiliation:
Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405 U.S.A.
Suman Das
Affiliation:
Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405 U.S.A.
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Abstract

We report on the formation of hierarchical nanostructures of Au, Pt, Fe2O3 and PdO2 using a hybrid technique combining laser interference patterning (LIP) and block copolymer phase separation (BCPS). By varying the loading time of the block copolymer with metallic salts and the laser interference technique, different types of hierarchical square, triangular, linear and circular arrays can be formed. Such a robust method can be applied to other metallic and ceramic materials and has potential for use in the large-scale production of nano-catalysts, photonics, optoelectronics, MEMS devices and bio-sensors.

Keywords

laser ablationnanoscaleself-assembly
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1412: Symposium FF – Mechanical Nanofabrication, Nanopatterning and Nanoassembly , 2012 , mrsf11-1412-ff08-05
Copyright
Copyright © Materials Research Society 2012

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References

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