Advanced Optical Materials

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Recently Published Articles

  1. Symmetry-Broken Metamaterial Absorbers as Reflectionless Directional Couplers for Surface Plasmon Polaritons in the Visible Range

    Fan Ye, Michael J. Burns and Michael J. Naughton

    Article first published online: 29 JUL 2014 | DOI: 10.1002/adom.201400080

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    Symmetry-broken metal–insulator–metal metamaterial absorbers are shown to have the ability to reflectionlessly coup­le vertically incident photons into horizontally propagating surface plasmon polaritons in a preferred direction in the visible range. The leverage of the symmetry properties of metamaterials paves ways for a wide range of applications in integrated nanoplasmonics, plasmonic logic, and plasmonic light harvesting.

  2. Heavy Metal Sensing Using Self-Assembled Nanoparticles at a Liquid–Liquid Interface

    Michael P. Cecchini, Vladimir A. Turek, Angela Demetriadou, George Britovsek, Tom Welton, Alexei A. Kornyshev, James D. E. T. Wilton-Ely and Joshua B. Edel

    Article first published online: 24 JUL 2014 | DOI: 10.1002/adom.201400211

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    A surface-enhanced Raman spectroscopy-based mercury sensor is created by combining a self-assembled nanoparticle film at the liquid–liquid interface with SERS. This powerful, selective, fast, and cheap mercury sensor relies on the interaction of four novel reporters in the organic phase with aqueous ions. With minimal modifications, this platform is capable of the first SERS-based mercury vapor detection.

  3. Ultra-broadband Polarisers Based on Metastable Free-Standing Aligned Carbon Nanotube Membranes

    Matthew T. Cole, Matthew Doherty, Richard Parmee, Paul Dawson and William I. Milne

    Article first published online: 24 JUL 2014 | DOI: 10.1002/adom.201400238

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    A carbon nanotube free-standing linearly dichroic polariser is developed using solid-state extrusion. Membrane cohesion is experimentally and numerically demonstrated to derive from inter-tube van der Waals interactions in this family of planar metastable morphologies, controlled by the chemical vapour deposition conditions. Ultra-broadband polarisation (400 nm – 2.5 mm) is shown and corroborated by effective medium and full numerical simulations.

  4. Electro-/All-Optical Light Extraction in Gold Photonic Quasi-crystals Layered with Photosensitive Liquid Crystals

    Vincenzo Caligiuri, Luciano De Sio, Lucia Petti, Rossella Capasso, Massimo Rippa, Maria Grazia Maglione, Nelson Tabiryan and Cesare Umeton

    Article first published online: 17 JUL 2014 | DOI: 10.1002/adom.201400203

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    A new concept photonic device is realized. It is based on the combination of unusual light control properties of a Thue-Morse nanopatterned photonic quasi-crystal with the extraordinary versatility of “smart” soft matter, represented by azo-liquid crystals. The device, which shows a dramatic polarization selectivity, can be tuned by exploiting either an electro-optical or all-optical mechanism.

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    Light Harvesting: Near-Infrared Harvesting Transparent Luminescent Solar Concentrators (Advanced Optical Materials 7/2014) (page 599)

    Yimu Zhao, Garrett A. Meek, Benjamin G. Levine and Richard R. Lunt

    Article first published online: 15 JUL 2014 | DOI: 10.1002/adom.201470040

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    A transparent luminescent solar concentrator that selectively harvests NIR photons is demonstrated. On page 606, R. R. Lunt and co-workers describe the photophysical and electronic properties of the luminophores, the impact of ligandhost control, and the optimization of the solar concentrator architectures to realize their potential for use in electronic displays, solar windows, and other glazing systems with high defect tolerances and processability.