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Modified colloidal lithography: a flexible tool for fabrication of periodic nanostructures

Mohammadkhani, Ali (2013)
Ph.D. thesis, University of Birmingham.

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This PhD project sets out to investigate the potential of colloidal lithography and explore its application for the creation of highly accurate periodic nanostructures. This research can be classified into three main sections based on the materials used in fabrication. In the first section, fabrication of high precision nanopatterns on a photoresist surface was studied using the inherent potential of polystyrene spheres as lenses. The experiments were conducted to obtain uniform arrays of single and dual nanoholes on a surface of AZ 5214-E photoresist via monolayer and bilayer colloidal lithography, respectively. In the second section, the research intention was to produce uniform arrays of nanostructures by using colloidal lithography, soft lithography and metal deposition. In this section, two different strategies were proposed. The first strategy was mainly devoted to fabricated ordered arrays of periodic nanostructures on the basis of PDMS/PDMS replica moulding. In the third section, nickel electroforming was developed to produce periodic nanostructures through a highly accurate approach. The proposed nanofabrication methods within this research facilitate production of multi-material periodic nanostructures with a high precision and tuneable size.

Type of Work:Ph.D. thesis.
Supervisor(s):Jiang, Kyle and Anthony, Carl
School/Faculty:Colleges (2008 onwards) > College of Engineering & Physical Sciences
Department:School of Mechanical Engineering
Subjects:TJ Mechanical engineering and machinery
Institution:University of Birmingham
ID Code:4408
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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