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Recently Published Articles

  1. Biocompatible and Sustainable Optical Strain Sensors for Large-Area Applications

    Gen Kamita, Bruno Frka-Petesic, Antoine Allard, Marielle Dargaud, Katie King, Ahu Gumrah Dumanli and Silvia Vignolini

    Version of Record online: 30 AUG 2016 | DOI: 10.1002/adom.201600451

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    By a simple two-step procedure, large photonic strain sensors using a biocompatible cellulose derivative are fabricated. Transient color shifts of the sensors are explained by a theoretical model that consideres the deformation of cholesteric domains, which is in agreement with the experimental results. The extremely simple fabrication method is suitable for both miniaturization and large-sale manufacture, taking advantage of inexpensive and sustainable materials.

  2. Ultrafast Photophysics of Single-Walled Carbon Nanotubes

    Giancarlo Soavi, Francesco Scotognella, Guglielmo Lanzani and Giulio Cerullo

    Version of Record online: 29 AUG 2016 | DOI: 10.1002/adom.201600361

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    The interest for carbon nanotubes stands at the edge between fundamental physics in quantum confined systems and advanced technology. This review summarizes more than two decades of intense research on their ultrafast photophysical properties, the most advanced spectroscopic techniques used for their optical characterization, and possible applications in the fields of photo­nics, optoelectronics and photovoltaics.

  3. Simplified Hybrid White Organic Light-Emitting Diodes with a Mixed Fluorescent Blue Emitting Layer for Exciton Managing and Lifetime Improving

    Yuan Liu, Feng Liang, Lin-Song Cui, Xiao-Bo Shi, Zhao-Kui Wang and Liang-Sheng Liao

    Version of Record online: 24 AUG 2016 | DOI: 10.1002/adom.201600410

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    A promising device structure for efficient and long-lived noninterlayer hybrid white organic light-emitting diodes (WOLEDs) is demonstrated. Two self-host blue emission materials (N,N′-di-1-naphthalenyl-N,N′-diphenyl-[1,1′:4′,1″:4″,1′″-quaterphenyl]-4,4′″-diamine) and (bis-[2-(2-hydroxyphenyl)-pyridine]beryllium) are mixed to form a bipolar mixed fluorescent blue-emitting layer for exiton managing, reducing the efficiency roll-off, improving color stability, and extending the lifetime more than four times of the hybrid WOLEDs.

  4. Two-Photon Excitation Temperature Nanosensors Based on a Conjugated Fluorescent Polymer Doped with a Europium Probe

    Xu-dong Wang, Robert J. Meier, Michael Schäferling, Sebastian Bange, John M. Lupton, Michaela Sperber, Joachim Wegener, Vladimir Ondrus, Uwe Beifuss, Ulrich Henne, Christian Klein and Otto S. Wolfbeis

    Version of Record online: 24 AUG 2016 | DOI: 10.1002/adom.201600601

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    A two-photon excitable temperature nanosensor is presented. Nanodots prepared from a semiconducting polymer (SCP) and a temperature-sensitive luminescent Eu(III) complex are shown to be viable materials for sensing temperature under photoexcitation at >700 nm. The SCE acts as an antenna to capture two-photon energy which then is transferred to the emitting Eu(III) complex. Both ratiometric and lifetime fluorometry can be applied.

  5. Powerful and Tunable THz Emitters Based on the Fe/Pt Magnetic Heterostructure

    Dewang Yang, Jianhui Liang, Chao Zhou, Lu Sun, Ronger Zheng, Shengnian Luo, Yizheng Wu and Jingbo Qi

    Version of Record online: 24 AUG 2016 | DOI: 10.1002/adom.201600270

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    Heterostructures composed of ferromagnetic metal and nonmagnetic metal with strong spin-orbit coupling are shown to be powerful broadband THz emitters, whose field strength can be maximized by optimizing the thickness of both ferromagnetic and nonmagnetic films, and the heterostructure layers. Furthermore, the THz spectrum and its intensity are tunable by the magnetic field orientation applied on the patterned magnetic Fe/Pt heterostructures.