Advanced Optical Materials

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Recently Published Articles

  1. Gain Spectroscopy of Solution-Based Semiconductor Nanocrystals in Tunable Optical Microcavities

    Robin K. Patel, Aurélien A. P. Trichet, David M. Coles, Philip R. Dolan, Simon M. Fairclough, Marina A. Leontiadou, S. C. Edman Tsang, David J. Binks, Eunjoo Jang, Hyosook Jang, Robert A. Taylor and Jason M. Smith

    Article first published online: 24 NOV 2015 | DOI: 10.1002/adom.201500363

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    Optical gain spectroscopy of colloidal nanocrystals is performed using a tunable open access microcavity with an ultra-small mode volume. By tuning the cavity mode energy across the nanocrystal ensemble emission band while performing lasing threshold measurements, information on the material gain characteristics can be extracted.

  2. Simple Planar Indium-Tin-Oxide-Free Organic Light-Emitting Devices with Nearly 39% External Quantum Efficiency

    Min Jiao, Chun-Yang Lu, Wei-Kai Lee, Chien-Yu Chen and Chung-Chih Wu

    Article first published online: 24 NOV 2015 | DOI: 10.1002/adom.201500576

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    A simple planar indium-tin-oxide-free organic light-emitting device (OLED) with a significantly enhanced external quantum efficiency of nearly 39% is reported. By inserting a high-index layer below the low-index transparent conducting polymer electrode, most optical benefits of the low-index electrode are retained, yet the radiation into the substrate is more convergent within the escape cone for direct optical out-coupling.

  3. Zero-Reflectance Metafilms for Optimal Plasmonic Sensing

    Fumin Huang, Stacey Drakeley, Matthew G. Millyard, Antony Murphy, Richard White, Elisabetta Spigone, Jani Kivioja and Jeremy J. Baumberg

    Article first published online: 23 NOV 2015 | DOI: 10.1002/adom.201500424

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    Zero-reflectance metafilms are demonstrated to be optimal plasmonic sensors. Complete annihilation of the reflectance (R) of a highly reflective surface such as Si can be achieved with an ultrathin layer of Au nanoparticles. Such zero-reflectance metafilms show much superior plasmonic sensing performance than those of nonzero reflectance films.

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    Masthead: (Advanced Optical Materials 11/2015)

    Article first published online: 20 NOV 2015 | DOI: 10.1002/adom.201570071

  5. You have free access to this content
    Catalysis: Plasmon-Assisted Indirect Light Absorption Engineering in Small Transition Metal Catalyst Nanoparticles (Advanced Optical Materials 11/2015) (page 1654)

    Tomasz J. Antosiewicz, Carl Wadell and Christoph Langhammer

    Article first published online: 20 NOV 2015 | DOI: 10.1002/adom.201570072

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    T. J. Antosiewicz, C. Wadell, and C. Langhammer show on page 1591 how silver nanodisk-shaped optical antennas harvest energy from an incident light beam via excitation of localized surface plasmons. The energy of the plasmon is then coupled into adjacent much smaller palladium nanoparticles, increasing their light absorption by more than an order of magnitude on average. It is expected that this energy transfer pathway can be exploited to increase hot electron-mediated catalytic reaction rates on small transition metal nanoparticles.