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Recently Published Articles

  1. Improving the Stability and Performance of Perovskite Light-Emitting Diodes by Thermal Annealing Treatment

    Jae Choul Yu, Dae Woo Kim, Da Bin Kim, Eui Dae Jung, Jong Hyun Park, Ah-Young Lee, Bo Ram Lee, Daniele Di Nuzzo, Richard H. Friend and Myoung Hoon Song

    Version of Record online: 30 MAY 2016 | DOI: 10.1002/adma.201601105

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    A perovskite LED with a perovskite film treated under optimum thermal annealing conditions exhibited a significantly enhanced long-term stability with full coverage of the green electroluminescence emission due to the highly uniform morphology of the perovskite film.

  2. A Sinusoidally Architected Helicoidal Biocomposite

    Nicholas A. Yaraghi, Nicolás Guarín-Zapata, Lessa K. Grunenfelder, Eric Hintsala, Sanjit Bhowmick, Jon M. Hiller, Mark Betts, Edward L. Principe, Jae-Young Jung, Leigh Sheppard, Richard Wuhrer, Joanna McKittrick, Pablo D. Zavattieri and David Kisailus

    Version of Record online: 30 MAY 2016 | DOI: 10.1002/adma.201600786

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    A fibrous herringbone-modified helicoidal architecture is identified within the exocuticle of an impact-resistant crustacean appendage. This previously unreported composite microstructure, which features highly textured apatite mineral templated by an alpha-chitin matrix, provides enhanced stress redistribution and energy absorption over the traditional helicoidal design under compressive loading. Nanoscale toughening mechanisms are also identified using high-load nanoindentation and in situ transmission electron microscopy picoindentation.

  3. Molecular Order in Buried Layers of TbPc2 Single-Molecule Magnets Detected by Torque Magnetometry

    Mauro Perfetti, Michele Serri, Lorenzo Poggini, Matteo Mannini, Donella Rovai, Philippe Sainctavit, Sandrine Heutz and Roberta Sessoli

    Version of Record online: 27 MAY 2016 | DOI: 10.1002/adma.201600791

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    Cantilever torque magnetometry is used to elucidate the orientation of magnetic molecules in thin films. The technique allows depth-resolved investigations by intercalating a layer of anisotropic magnetic molecules in a film of its isotropic analogues. The proof-of-concept is here demonstrated with the single-molecule magnet TbPc2 evidencing also an exceptional long range templating effect on substrates coated by the organic molecule perylene-3,4,9,10-tetracarboxylic dianhydride.

  4. Ultrafast Nanocrystalline-TiO2(B)/Carbon Nanotube Hyperdispersion Prepared via Combined Ultracentrifugation and Hydrothermal Treatments for Hybrid Supercapacitors

    Katsuhiko Naoi, Takayuki Kurita, Masayuki Abe, Takumi Furuhashi, Yuta Abe, Keita Okazaki, Junichi Miyamoto, Etsuro Iwama, Shintaro Aoyagi, Wako Naoi and Patrice Simon

    Version of Record online: 27 MAY 2016 | DOI: 10.1002/adma.201600798

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    Anisotropically-grown (b-axis short) single-nano TiO2(B), uniformly hyper-dispersed on the surface of multiwalled carbon nanotubes (MWCNT), was successfully synthesized via an in situ ultracentrifugation (UC) process coupled with a follow-up hydrothermal treatment. The uc-TiO2(B)/MWCNT composite materials enable ultrafast Li+ intercalation especially along the b-axis, resulting in a capacity of 235 mAh g–1 per TiO2(B) even at 300C (1C = 335 mA g–1).

  5. Mesoporous Titanium Nitride-Enabled Highly Stable Lithium-Sulfur Batteries

    Zhiming Cui, Chenxi Zu, Weidong Zhou, Arumugam Manthiram and John B. Goodenough

    Version of Record online: 27 MAY 2016 | DOI: 10.1002/adma.201601382

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    The TiN-S composite cathode exhibits superior performance because of higher electrical conductivity and the capture of the soluble intermediate species of the electrode reactions by 2–5 nm mesopores and strong N–S surface bonding.

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