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  1. Giant Bandgap Renormalization and Exciton–Phonon Scattering in Perovskite Nanocrystals

    Rinku Saran, Amelie Heuer-Jungemann, Antonios G. Kanaras and Richard J. Curry

    Version of Record online: 26 JUN 2017 | DOI: 10.1002/adom.201700231

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    Exciton–phonon interactions in cesium lead halide nanocrystals (NCs) are investigated through the analysis of their temperature-dependent steady-state photoluminescence spectra. Experimental results are modeled to explain the thermal broadening of photoluminescence exciton linewidth and anomalous temperature dependence of the bandgap in CsPbX3 NCs.

  2. Surface Plasmon Enhanced Nitrogen-Doped Graphene Quantum Dot Emission by Single Bismuth Telluride Nanoplates

    Umar Saleem, Fitri A. Permatasari, Ferry Iskandar, Takashi Ogi, Kikuo Okuyama, Yudi Darma, Meng Zhao, Kian Ping Loh, Andrivo Rusydi, Philippe Coquet, Muhammad Danang Birowosuto and Hong Wang

    Version of Record online: 26 JUN 2017 | DOI: 10.1002/adom.201700176

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    Nitrogen-doped graphene quantum dots are high-quantum-yield nanoemitters and they are coupled with bismuth telluride nanoplates. Emission rate enhancement is observed due to coupling of nanoemitters to the breathing mode of surface plasmon. The enhancement can be tuned by the emission wavelength and nanoplate diameters and it well agrees with the electromagnetic simulation. Such novel system offers new strategies for lighting applications.

  3. Near-Infrared-Light Photodetectors Based on One-Dimensional Inorganic Semiconductor Nanostructures

    Feng-Xia Liang, Jiu-Zhen Wang, Zhi-Peng Li and Lin-Bao Luo

    Version of Record online: 20 JUN 2017 | DOI: 10.1002/adom.201700081

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    Near-infrared-light photodetectors (NIRPDs) are reviewed, which have attracted increasing interest due to their promising application for both military and civil purposes. As an appealing platform, one-dimensional inorganic semiconductor nanostructures with unique electrical and optical properties have been widely used to fabricate a number of NIRPDs with excellent device performance.

  4. Controlling the Color of Plasmonic Substrates with Inkjet Printing

    Luc Duempelmann, Judith A. Müller, Fabian Lütolf, Benjamin Gallinet, Rolando Ferrini and Lukas Novotny

    Version of Record online: 20 JUN 2017 | DOI: 10.1002/adom.201700153

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    The color appearance of plasmonic structures can be tailored by inkjet printing of inks with different refractive indices. This position-dependent modification strongly enhances the possibilities of utilizing plasmonic color substrates for personalized and commercial applications. Compared to commercial inks, plasmonic structures can render variable colors, highlighted here as angle-dependent hidden features. Photograph: Norbert Aepli.

  5. 3D Chiral Plasmonic Metamaterials Fabricated by Direct Laser Writing: The Twisted Omega Particle

    Ioanna Sakellari, Xinghui Yin, Maxim L. Nesterov, Konstantina Terzaki, Angelos Xomalis and Maria Farsari

    Version of Record online: 16 JUN 2017 | DOI: 10.1002/adom.201700200

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    Electroless silver plated twisted omega particles fabricated by direct laser writing are presented. In this case, the metallic wire acts as a small electric dipole antenna, whereas the loop acts as a split ring resonator which exhibits a magnetic dipole resonance, leading to the separation of right-handed circularly polarized light and the left-handed one.

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