Advanced Materials

Cover image for Vol. 25 Issue 22

June 11, 2013

Volume 25, Issue 22

Pages 3009–3133

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Progress Report
    8. Frontispiece
    9. Communications
    10. Frontispiece
    11. Communications
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      Biomedical Applications: Single Continuous Wave Laser Induced Photodynamic/Plasmonic Photothermal Therapy Using Photosensitizer-Functionalized Gold Nanostars (Adv. Mater. 22/2013) (page 3009)

      Shouju Wang, Peng Huang, Liming Nie, Ruijun Xing, Dingbin Liu, Zhe Wang, Jing Lin, Shouhui Chen, Gang Niu, Guangming Lu and Xiaoyuan Chen

      Article first published online: 10 JUN 2013 | DOI: 10.1002/adma.201370142

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      Chlorin e6-conjugated gold nanostars (GNSPEG-Ce6) are constructed by X. Chen, G. Lu, and co-workers on page 3055 as a novel theranostic system for imaging, and photodynamic and photothermal therapy. Utilizing the difference in photostability between chlorin e6 and gold nanostars, GNS-PEG-Ce6 can coordinate the early-phase photodynamic effect with the late-phase photothermal effect upon single wavelength continuous wave laser irradiation. With significantly improved anti-cancer efficacy and simplified treatment process, the GNS-PEGCe6 formula shows high potential for translation into clinical practice to treat cancer patients.

  2. Inside Front Cover

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Progress Report
    8. Frontispiece
    9. Communications
    10. Frontispiece
    11. Communications
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      Composites: An Amorphous Red Phosphorus/Carbon Composite as a Promising Anode Material for Sodium Ion Batteries (Adv. Mater. 22/2013) (page 3010)

      Youngjin Kim, Yuwon Park, Aram Choi, Nam-Soon Choi, Jeongsoo Kim, Junesoo Lee, Ji Heon Ryu, Seung M. Oh and Kyu Tae Lee

      Article first published online: 10 JUN 2013 | DOI: 10.1002/adma.201370143

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      Na-ion batteries now face the critical problem of lower energy density than Li-ion batteries, although they have gained recognition as promising next-generation batteries to replace Li-ion batteries. An amorphous red phosphorus/carbon composite anode material is for the first time examined as a solution to improve energy density, and shows remarkable electrochemical performance including high reversible capacity of 1890 mA h g−1. Further details can be found in the article by Kyu Tae Lee, Seung M. Oh, and co-workers on page 3045.

  3. Back Cover

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Progress Report
    8. Frontispiece
    9. Communications
    10. Frontispiece
    11. Communications
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      Nanoparticles: Colloidal HPMO Nanoparticles: Silica-Etching Chemistry Tailoring, Topological Transformation, and Nano-Biomedical Applications (Adv. Mater. 22/2013) (page 3136)

      Yu Chen, Pengfei Xu, Hangrong Chen, Yongsheng Li, Wenbo Bu, Zhu Shu, Yaping Li, Jiamin Zhang, Lingxia Zhang, Limin Pan, Xiangzhi Cui, Zile Hua, Jin Wang, Linlin Zhang and Jianlin Shi

      Article first published online: 10 JUN 2013 | DOI: 10.1002/adma.201370144

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      Colloidal hollow periodic mesoporous organosilica nanoparticles (HPMOs) with tunable compositions and highly hybridized nanostructures are successfully synthesized by Jianlin Shi, Yaping Li, Hangrong Chen, and co-workers via a simple, easy to scale up, but versatile silicaetching chemistry for applications in nanofabrication and nanomedicine. The cover shows the special hybrid framework of HPMOs and the etching process.

  4. Masthead

    1. Top of page
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    4. Back Cover
    5. Masthead
    6. Contents
    7. Progress Report
    8. Frontispiece
    9. Communications
    10. Frontispiece
    11. Communications
    1. Masthead: (Adv. Mater. 22/2013)

      Article first published online: 10 JUN 2013 | DOI: 10.1002/adma.201370145

  5. Contents

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Progress Report
    8. Frontispiece
    9. Communications
    10. Frontispiece
    11. Communications
  6. Progress Report

    1. Top of page
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    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Progress Report
    8. Frontispiece
    9. Communications
    10. Frontispiece
    11. Communications
    1. One-Dimensional CdS Nanostructures: A Promising Candidate for Optoelectronics (pages 3017–3037)

      Huiqiao Li, Xi Wang, Junqi Xu, Qi Zhang, Yoshio Bando, Dmitri Golberg, Ying Ma and Tianyou Zhai

      Article first published online: 30 APR 2013 | DOI: 10.1002/adma.201300244

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      This Progress Report highlights a selection of important topics pertinent to optoelectronical applications of one-dimensional CdS nanostructures over the last five years. This article begins with a description of the rational design and controlled synthesis of CdS nanostructure arrays, alloyed nanostructucures and kinked nanowire superstructures, and then focuses on optoelectronical properties and applications. Finally, the general challenges and the potential future directions of this exciting area of research are highlighted.

  7. Frontispiece

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Progress Report
    8. Frontispiece
    9. Communications
    10. Frontispiece
    11. Communications
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      Solar Cells: Hierarchically Structured Nanotubes for Highly Efficient Dye-Sensitized Solar Cells (Adv. Mater. 22/2013) (page 3038)

      Meidan Ye, Dajiang Zheng, Miaoqiang Lv, Chang Chen, Changjian Lin and Zhiqun Lin

      Article first published online: 10 JUN 2013 | DOI: 10.1002/adma.201370147

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      Hierarchically structured TiO2 nanotube arrays composed of anatase and rutile nanocrystals on rough anatase nanotube walls and rutile flower-like layer on top of anatase nanotubes are produced. The resulting DSSCs exhibit a significantly enhanced power conversion efficiency of 7.24%, as a consequence of the synergy of higher dye loading, superior lightscattering ability, and fast electron transport. Further details can be found in the article by Zhiqun Lin, Changjian Lin, and co-workers on page 3039.

  8. Communications

    1. Top of page
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    3. Inside Front Cover
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    5. Masthead
    6. Contents
    7. Progress Report
    8. Frontispiece
    9. Communications
    10. Frontispiece
    11. Communications
    1. Hierarchically Structured Nanotubes for Highly Efficient Dye-Sensitized Solar Cells (pages 3039–3044)

      Meidan Ye, Dajiang Zheng, Miaoqiang Lv, Chang Chen, Changjian Lin and Zhiqun Lin

      Article first published online: 1 MAR 2013 | DOI: 10.1002/adma.201205274

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      Hierarchical TiO2 nanotube arrays grown on Ti foil are yielded by subjecting electrochemically anodized, vertically oriented TiO2 nanotube arrays to hydrothermal processing. The resulting DSSCs exhibit a significantly enhanced power conversion efficiency of 7.24%, which is a direct consequence of the synergy of higher dye loading, superior light-scattering ability, and fast electron transport.

    2. An Amorphous Red Phosphorus/Carbon Composite as a Promising Anode Material for Sodium Ion Batteries (pages 3045–3049)

      Youngjin Kim, Yuwon Park, Aram Choi, Nam-Soon Choi, Jeongsoo Kim, Junesoo Lee, Ji Heon Ryu, Seung M. Oh and Kyu Tae Lee

      Article first published online: 12 MAR 2013 | DOI: 10.1002/adma.201204877

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      An amorphous red phosphorus/carbon composite is obtained through a facile and simple ball milling process, and its electrochemical performance as an anode material for Na ion batteries is evaluated. The composite shows excellent electrochemical performance including a high specific capacity of 1890 mA h g−1, negligible capacity fading over 30 cycles, an ideal redox potential (0.4 V vs. Na/Na+), and an excellent rate performance, thus making it a promising candidate for Na ion batteries.

    3. An All-Optical, Non-volatile, Bidirectional, Phase-Change Meta-Switch (pages 3050–3054)

      Behrad Gholipour, Jianfa Zhang, Kevin F. MacDonald, Daniel W. Hewak and Nikolay I. Zheludev

      Article first published online: 29 APR 2013 | DOI: 10.1002/adma.201300588

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      Non-volatile, bidirectional, all-optical switching in a phase-change metamaterial delivers high-contrast transmission and reflection modulation at near- to mid-infrared wavelengths in device structures down to ≈1/27 of a wavelength thick.

    4. Single Continuous Wave Laser Induced Photodynamic/Plasmonic Photothermal Therapy Using Photosensitizer-Functionalized Gold Nanostars (pages 3055–3061)

      Shouju Wang, Peng Huang, Liming Nie, Ruijun Xing, Dingbin Liu, Zhe Wang, Jing Lin, Shouhui Chen, Gang Niu, Guangming Lu and Xiaoyuan Chen

      Article first published online: 13 FEB 2013 | DOI: 10.1002/adma.201204623

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      Chlorin e6 conjugated gold nanostars (GNS-PEG-Ce6) are used to perform simultaneous photodynamic/plasmonic photothermal therapy (PDT/PPTT) upon single laser irradiation. The early-phase PDT effect is coordinated with the late-phase PPTT effect to obtain synergistic anticancer efficiency. The prepared GNS-PEG-Ce6 shows excellent water dispersibility, good biocompatibility, enhanced cellular uptake and remarkable anticancer efficiency upon irradiation in vivo.

  9. Frontispiece

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Progress Report
    8. Frontispiece
    9. Communications
    10. Frontispiece
    11. Communications
    1. You have free access to this content
      Non-Viral Gene Delivery via Membrane-Penetrating, Mannose-Targeting Supramolecular Self-Assembled Nanocomplexes (Adv. Mater. 22/2013) (page 3062)

      Lichen Yin, Ziyuan Song, Kyung Hoon Kim, Nan Zheng, Nathan P. Gabrielson and Jianjun Cheng

      Article first published online: 10 JUN 2013 | DOI: 10.1002/adma.201370148

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      Supramolecular self-assembled nanocomplexes allow mannose receptormediated endocytosis and mediate membrane transduction via the pore formation mechanism, which facilitates effective cellular internalization and endosomal escape towards highly effective gene transfection, as reported by Jianjun Cheng and co-workers on page 3063.

  10. Communications

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Progress Report
    8. Frontispiece
    9. Communications
    10. Frontispiece
    11. Communications
    1. Non-Viral Gene Delivery via Membrane-Penetrating, Mannose-Targeting Supramolecular Self-Assembled Nanocomplexes (pages 3063–3070)

      Lichen Yin, Ziyuan Song, Kyung Hoon Kim, Nan Zheng, Nathan P. Gabrielson and Jianjun Cheng

      Article first published online: 18 FEB 2013 | DOI: 10.1002/adma.201205088

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      Supramolecular self-assembled nanocomplexes (SSANs) capable of mannose receptor-mediated endocytosis and permeable to cellular and endosomal membranes are developed via the assembly of multiple rationally designed, function-specific materials. As a unique non-viral gene delivery vector, SSANs outperform commercial transfection reagents, including LPF2000, PEI, and jetPEI, by up to 2 orders of magnitude.

    2. Micro/Nanometer-Scale Fiber with Highly Ordered Structures by Mimicking the Spinning Process of Silkworm (pages 3071–3078)

      Su-Kyoung Chae, Edward Kang, Ali Khademhosseini and Sang-Hoon Lee

      Article first published online: 25 APR 2013 | DOI: 10.1002/adma.201300837

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      A new method for the microfluidic spinning of ultrathin fibers with highly ordered structures is proposed by mimicking the spinning mechanism of silkworms. The self-aggregation is driven by dipole–dipole attractions between polar polymers upon contact with a low-polarity solvent to form fibers with nanostrands. The induction of Kelvin–Helmholtz instabilities at the dehydrating interface between two miscible fluids generates multi-scale fibers in a single microchannel.

    3. Single Electron Transistor in Aqueous Media (pages 3079–3084)

      Chichao Yu, Seung-Woo Lee, Jason Ong, David Moore and Ravi F. Saraf

      Article first published online: 8 MAY 2013 | DOI: 10.1002/adma.201204162

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      A gold nanoparticle necklace array spanning a ∼30-micrometer-wide channel shows a robust coulomb blockade effect at room temperature with a threshold of 1V in air. When this device is operated in the aqueous solution, a gain of ∼130 fold in conductance is obtained in electrochemical gating, significantly higher than other nanomaterial-based electrochemical transistors.

    4. “Shrink-to-Fit” Superhydrophobicity: Thermally-Induced Microscale Wrinkling of Thin Hydrophobic Multilayers Fabricated on Flexible Shrink-Wrap Substrates (pages 3085–3089)

      Uttam Manna, Matthew C. D. Carter and David M. Lynn

      Article first published online: 5 MAY 2013 | DOI: 10.1002/adma.201300341

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      An approach to the design of flexible superhydrophobic surfaces based on thermally induced wrinkling of thin, hydrophobic polymer multilayers on heat-shrinkable polymer films is reported. This approach exploits shrinking processes common to “heat-shrink” plastics, and can thus be used to create “shrink-to-fit” superhydrophobic coatings on complex surfaces, manipulate the dimensions and densities of patterned features, and promote heat-activated repair of full-thickness defects.

    5. Cobalt-Substituted Magnetite Nanoparticles and Their Assembly into Ferrimagnetic Nanoparticle Arrays (pages 3090–3094)

      Yongsheng Yu, Adriana Mendoza-Garcia, Bo Ning and Shouheng Sun

      Article first published online: 30 APR 2013 | DOI: 10.1002/adma.201300595

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      A simple process to prepare monodisperse ferrimagnetic cobalt-substituted magnetite CoxFe3-xO4 nanoparticles is reported. These ferrimagnetic nanoparticles are readily dispersed in hexane, forming a stable ferrimagnetic nanoparticle dispersion, and allowing easy nanoparticle self-assembly. When assembled under an external magnetic field (5.5 kOe), these nanoparticles show preferred magnetic alignment with their Hc reaching 2.49 kOe.

    6. Mechanical Cycling Stability of Organic Thin Film Transistors on Shape Memory Polymers (pages 3095–3099)

      Adrian Avendano-Bolivar, Taylor Ware, David Arreaga-Salas, Dustin Simon and Walter Voit

      Article first published online: 24 MAY 2013 | DOI: 10.1002/adma.201203976

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      Organic thin film transistors on shape memory polymers are fabricated by full photolithography. Devices show high mobility (0.2 cm2 V−1 s−1) and close to zero threshold voltage (-4.5 V) when characterized as fabricated. After 1, 10, and 100 deformation cycles and in a deformed, metastable shape memory transition state, changes in mobility and Vth are measured and indicate sustained device functionality.

    7. Colloidal HPMO Nanoparticles: Silica-Etching Chemistry Tailoring, Topological Transformation, and Nano-Biomedical Applications (pages 3100–3105)

      Yu Chen, Pengfei Xu, Hangrong Chen, Yongsheng Li, Wenbo Bu, Zhu Shu, Yaping Li, Jiamin Zhang, Lingxia Zhang, Limin Pan, Xiangzhi Cui, Zile Hua, Jin Wang, Linlin Zhang and Jianlin Shi

      Article first published online: 15 FEB 2013 | DOI: 10.1002/adma.201204685

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      Hybridization produces the better: Colloidal hollow periodic mesoporous organosilica nanoparticles (HPMO NPs) with tunable compositions and highly hybridized nanostructures are successfully synthesized by a simple, easily scale-up but versatile silica-etching chemistry (alkaline or HF etching) for their applications in nano-fabrication and nano-medicine.

    8. Lamellar Hydrogels with High Toughness and Ternary Tunable Photonic Stop-Band (pages 3106–3110)

      You Feng Yue, M. Anamul Haque, Takayuki Kurokawa, Tasuku Nakajima and Jian Ping Gong

      Article first published online: 2 MAY 2013 | DOI: 10.1002/adma.201300775

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      A lamellar hydrogel with high toughness, exhibiting ternary stimuli-responsive structural color changes has been synthesized. The gel consists of alternating hard layers of a polymeric surfactant (PDGI) and soft layers of interpenetrating networks of poly(acrylamide)–poly(acrylic acid). Reversible, wide range switching of the stop-band position was achieved using different external stimuli of temperature, pH, and stress/strain.

    9. Efficient Light Harvesting with Micropatterned 3D Pyramidal Photoanodes in Dye-Sensitized Solar Cells (pages 3111–3116)

      Sanghyuk Wooh, Hyunsik Yoon, Jae-Hyun Jung, Yong-Gun Lee, Jai Hyun Koh, Byoungho Lee, Yong Soo Kang and Kookheon Char

      Article first published online: 2 MAY 2013 | DOI: 10.1002/adma.201300085

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      3D TiO2 photoanodes in dye-sensitized solar cells (DSCs) are fabricated by the soft lithographic technique for efficient light trapping. An extended strategy to the construction of randomized pyramid structure is developed by the conventional wet-etching of a silicon wafer for low-cost fabrication. Moreover, the futher enhancement of light absorption resulting in photocurrent increase is achieved by combining the 3D photoanode with a conventional scattering layer.

    10. Localization of Folds and Cracks in Thin Metal Films Coated on Flexible Elastomer Foams (pages 3117–3121)

      Hugues Vandeparre, Qihan Liu, Ivan R. Minev, Zhigang Suo and Stéphanie P. Lacour

      Article first published online: 30 APR 2013 | DOI: 10.1002/adma.201300587

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      Thin metal films coated on soft elastomeric foam substrates exhibit enhanced electromechanical performance. The open-cell foam structure conveys highly anisotropic mechanical properties within the top, thin capping elastomer at the surface of the foam. Upon stretching, large strain fields inducing cracks and folds localize above the foam cells, while the surrounding cell ligaments remain almost strain-free, enabling stable electrical conduction in the metallic coating.

    11. Thermally Assisted All-Optical Helicity Dependent Magnetic Switching in Amorphous Fe100–xTbx Alloy Films (pages 3122–3128)

      Alexander Hassdenteufel, Birgit Hebler, Christian Schubert, Andreas Liebig, Martin Teich, Manfred Helm, Martin Aeschlimann, Manfred Albrecht and Rudolf Bratschitsch

      Article first published online: 25 APR 2013 | DOI: 10.1002/adma.201300176

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      All-optical switching (AOS) in ferrimagnetic Fe100-xTbx alloys is presented. AOS is witnessed below, above, and in samples without a magnetic compensation point. It is found that AOS is associated with laser heating up to the Curie temperature and intimately linked to a low remanent sample magnetization. Above a threshold magnetization of 220 emu/cc helicity dependent AOS is replaced by pure thermal demagnetization.

    12. Electron and Ion Transport In Li2O2 (pages 3129–3133)

      Oliver Gerbig, Rotraut Merkle and Joachim Maier

      Article first published online: 6 MAY 2013 | DOI: 10.1002/adma.201300264

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      Bulk Li2O2 is shown to exhibit ionic conductivity via lithium vacancies and electronic conductivity via electron holes (localized as superoxide ions). This is the first systematic study on the charge carrier chemistry of peroxides with high relevance for the performance kinetics of Li-oxygen batteries.

      Corrected by:

      Correction: Correction: Electron and Ion Transport in Li2O2

      Vol. 25, Issue 29, 3933, Article first published online: 1 AUG 2013

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