Filling schemes at submicron scale: Development of submicron sized plasmonic colour filters

Ranjith Rajasekharan; Eugeniu Balaur; Alexander Minovich; Sean Collins; Timothy D James; Amir Djalalian-Assl; Kumaravelu Ganesan; Snjezana Tomljenovic-Hanic; Sasikaran Kandasamy; Efstratios Skafidas; Dragomir N Neshev; Paul Mulvaney; Ann Roberts; Steven Prawer

Journal article

Filling schemes at submicron scale: Development of submicron sized plasmonic colour filters

Ranjith Rajasekharan, Eugeniu Balaur, Alexander Minovich, Sean Collins, Timothy D James, Amir Djalalian-Assl, Kumaravelu Ganesan, Snjezana Tomljenovic-Hanic, Sasikaran Kandasamy, Efstratios Skafidas, Dragomir N Neshev, Paul Mulvaney, Ann Roberts, Steven Prawer

SCIENTIFIC REPORTS | NATURE PUBLISHING GROUP | Published : 2014

DOI: 10.1038/srep06435

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Abstract

The pixel size imposes a fundamental limit on the amount of information that can be displayed or recorded on a sensor. Thus, there is strong motivation to reduce the pixel size down to the nanometre scale. Nanometre colour pixels cannot be fabricated by simply downscaling current pixels due to colour cross talk and diffraction caused by dyes or pigments used as colour filters. Colour filters based on plasmonic effects can overcome these difficulties. Although different plasmonic colour filters have been demonstrated at the micron scale, there have been no attempts so far to reduce the filter size to the submicron scale. Here, we present for the first time a submicron plasmonic colour filter ..

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University of Melbourne Researchers

Steven Prawer Author Physics

Snjezana Tomljenovic-Hanic Author Physics

Ranjith Rajasekharan Unnithan Author Electrical and Electronic Engineering

Stan Skafidas Author Electrical and Electronic Engineering

Ann Roberts Author Physics

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Awarded by ARC ARF fellowship

Funding Acknowledgements

This research was supported by a UM Interdisciplinary Seed Grant and the McKenzie Fellowship Scheme of The University of Melbourne. The authors also acknowledge funding received from the Melbourne Materials Institute (MMI) through the MMI-MCN merit time allocation scheme. AR acknowledges ARC support through Grant DP110100221. ST-H acknowledges her ARC ARF fellowship DP1096288. And PM thanks the ARC for support through LF100100117. The authors would like to acknowledge Fatima Eftekhari, Stuart Earl and Daniel Gomez for discussions. This work was performed in part at the Melbourne Centre for Nanofabrication (MCN) in the Victorian Node of the Australian National Fabrication Facility (ANFF). The numerical simulations were undertaken on the NCI National Facility in Canberra, Australia, which is supported by the Australian Commonwealth Government.