Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 142, Issue 2-3, Pages 712-716Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2013.08.029
Keywords
Nanostructures; Chemical synthesis; Lithography; Optical properties
Categories
Funding
- University of Padova (Italy) through the Strategic Project PLATFORMS [STPD089KSC]
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The fabrication of nanostructures is a very intense field of research in material science over the last decades. Overcoming the limit imposed by the diffraction limit in lithography was addressed in several ways: shifting to smaller wavelength, changing radiation and using electrons or ions instead of photons or using non-conventional bottom up techniques like self-assembly. There are few studies on fabrication of ordered TiO2 nanostructures, mostly confined to non-scalable technologies, while nanostructured TiO2 is a material used in many different fields of applications. In our work we present a hybrid nano-fabrication technique based on self-assembly coupled with standard UV lithography. With this method we were able to fabricate in a single step and with the use of inexpensive equipment a 2D Nano Bowl Array of TiO2 with sub wavelength features and easily scalable pattern features. (C) 2013 Elsevier B.V. All rights reserved.
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