NANOSTRUCTURED FILMS FOR OPTICAL DOCUMENT SECURITY
Grant number: LP160100054 | Funding period: 2017 - 2021
This project aims to develop a new class of synthetic thin films, with unique optical signatures as strong anti-counterfeiting features for future generations of Australian banknotes. The project expects to produce novel, ultra-thin films patterned on the nanoscale that produce vivid, easily recognisable optical effects building on recent advances in nanophotonic optical design and scalable nanofabrication strategies. The development of a range of optical security features in Australia will ensure long-term confidence in our currency. An outcome of the project could be the commercialisation of new types of anti-counterfeiting features for use in Australia and overseas.
Related publications (10)
A General Method for Direct Assembly of Single Nanocrystals
Heyou Zhang, Yawei Liu, Arun Ashokan, Can Gao, Yue Dong, Calum Kinnear, Nicholas Kirkwood, Samantha Zaman, Fatemeh Maasoumi, Timothy D James, Asaph Widmer-Cooper, Ann Roberts, Paul Mulvaney
Controlled nanocrystal assembly is a pre-requisite for incorporation of these materials into solid state devices. Many assembly me..
Optical Janus Effect in Large Area Multilayer Plasmonic Films
Niken Priscilla, Dan Smith, Enrico Della Gaspera, Jingchao Song, Lukas Wesemann, Timothy James, Ann Roberts
Plasmonic and other nanoparticles have attracted considerable interest for their role in structural coloration. The optical “Janus..
Direct Assembly of Vertically Oriented, Gold Nanorod Arrays
Heyou Zhang, Yawei Liu, Muhammad Faris Shahin Shahidan, Calum Kinnear, Fatemeh Maasoumi, Jasper Cadusch, Eser Metin Akinoglu, Timothy D James, Asaph Widmer-Cooper, Ann Roberts, Paul Mulvaney
Although many nanoscale materials such as quantum dots and metallic nanocrystals exhibit size dependent optical properties, it has..
Concealed Structural Colors Uncovered by Light Scattering
Eser Metin Akinoglu, Jingchao Song, Calum Kinnear, Yafei Xue, Heyou Zhang, Ann Roberts, Juergen Koehler, Paul Mulvaney
Unusual structural colors are demonstrated in thin-film coatings due to a combination of optical interference and light scattering..
Self-Assembly of Plasmonic Near-Perfect Absorbers of Light: The Effect of Particle Size
Gus O Bonin, Steven J Barrow, Timothy U Connell, Ann Roberts, Anthony SR Chesman, Daniel E Gomez
Structures capable of perfect light absorption promise technological advancements in varied applications, including sensing, optoe..
Multilevel nanoimprint lithography with a binary mould for plasmonic colour printing
Muhammad Faris Shahin Shahidan, Jingchao Song, Timothy D James, Ann Roberts
Pigment-free colouration based on plasmonic resonances has recently attracted considerable attention for potential in manufacturin..
Scalable and Consistent Fabrication of Plasmonic colors via Nanoimprint Lithography
M Faris Shahin Shahidan, Jingchao Song, Timothy D James, Paul Mulvaney, Ann Roberts
We utilised thermal and UV-assisted Nanoimprint Lithography (NIL) i.e. thermal and UV-assisted to produce plasmonic coloration, an..