Advanced Functional Materials

Cover image for Vol. 19 Issue 11

June 9, 2009

Volume 19, Issue 11

Pages 1679–1834

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Contents
    5. Frontispiece
    6. Full Papers
    7. Correction
    8. Index
    1. Hybrid Microstructures: One-Dimensional Microwires Formed by the Co-Assembly of Complementary Aromatic Donors and Acceptors (Adv. Funct. Mater. 11/2009)

      Jie-Yu Wang, Jing Yan, Lin Ding, Yuguo Ma and Jian Pei

      Version of Record online: 2 JUN 2009 | DOI: 10.1002/adfm.200990043

      Thumbnail image of graphical abstract

      A complementary donor-acceptor pair of truxene derivatives, Tr3 and its oxidized counterpart TrO3, are presented by Pei et al. on page 1746, and used to build a foundation for the investigation of aromatic donor–acceptor interaction. Two-component one-dimensional microstructures are realized by a simple solution process reliant on this interaction. Such a hybrid material opens new possibilities in the future design of multicomponent organic nano- and microstructures.

  2. Inside Front Cover

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Contents
    5. Frontispiece
    6. Full Papers
    7. Correction
    8. Index
    1. Tuning Nanotubes: Beam to String Transition of Vibrating Carbon Nanotubes Under Axial Tension (Adv. Funct. Mater. 11/2009)

      Xianlong Wei, Qing Chen, Shengyong Xu, Lianmao Peng and Jianmin Zuo

      Version of Record online: 2 JUN 2009 | DOI: 10.1002/adfm.200990044

      Thumbnail image of graphical abstract

      On page 1753, the vibration properties of carbon nanotubes (CNTs) under axial tension are quantificationally studied by X. L. Wei et al. through a novel in situ method for precise and simultaneous measurement of the resonance frequency, the axial tension applied to individual CNTs, and the tube geometry. A gradual beam-to-string transition from multiwalled CNTs to singlewalled CNTs is observed; the CNTs can be tuned like a zither!

  3. Contents

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Contents
    5. Frontispiece
    6. Full Papers
    7. Correction
    8. Index
  4. Frontispiece

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Contents
    5. Frontispiece
    6. Full Papers
    7. Correction
    8. Index
    1. Anticancer Drug Delivery: Doxorubicin-Conjugated Immuno-Nanoparticles for Intracellular Anticancer Drug Delivery (Adv. Funct. Mater. 11/2009)

      Meng Shi, Karyn Ho, Armand Keating and Molly S. Shoichet

      Version of Record online: 2 JUN 2009 | DOI: 10.1002/adfm.200990046

      Thumbnail image of graphical abstract

      Self-assembled polymeric nanoparticles of the amphiphilic copolymer poly(TMCC-co-LA)-g-PEG-furan can couple both anti-HER2 antibodies and chemotherapeutic doxorubicin (DOX) on their surfaces, report Molly Shoichet and co-workers on page 1689. This novel strategy selectively delivers DOX to the cell nucleus of HER2-overexpressing breast cancer cells while maintaining the pharmaceutical toxicity of DOX, paving the way to targeted drug delivery in breast cancer treatment.

  5. Full Papers

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Contents
    5. Frontispiece
    6. Full Papers
    7. Correction
    8. Index
    1. Doxorubicin-Conjugated Immuno-Nanoparticles for Intracellular Anticancer Drug Delivery (pages 1689–1696)

      Meng Shi, Karyn Ho, Armand Keating and Molly S. Shoichet

      Version of Record online: 1 APR 2009 | DOI: 10.1002/adfm.200801271

      Thumbnail image of graphical abstract

      Doxorubicin-conjugated immuno-nanoparticles: Self-assembled polymeric nanoparticles from the amphiphilic copolymer poly(TMCC-co-LA)-g-PEG-furan couple both anti-HER2 antibodies and chemotherapeutic doxorubicin (DOX) on the surface. This novel strategy selectively delivers DOX to the cell nucleus of HER2-overexpressing breast cancer cells while maintaining the pharmaceutical toxicity of DOX.

    2. Silicon-Doped LiFePO4 Single Crystals: Growth, Conductivity Behavior, and Diffusivity (pages 1697–1704)

      Ruhul Amin, Chengtian Lin, Jubo Peng, Katja Weichert, Tolga Acartürk, Ulrich Starke and Joachim Maier

      Version of Record online: 14 APR 2009 | DOI: 10.1002/adfm.200801604

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      Single crystals of silicon doped LiFePO4 are grown successfully by the floating zone technique. Silicon doping creates a donor effect, leading to an increase of the ionic charge carrier concentration (lithium vacancies) and a decrease of the electronic charge carrier concentration (holes). Therefore the ionic conductivity increases while the electronic conductivity decreases in comparison with nominally undoped pure LiFePO4.

    3. Discovery of New Green Phosphors and Minimization of Experimental Inconsistency Using a Multi-Objective Genetic Algorithm-Assisted Combinatorial Method (pages 1705–1712)

      Asish Kumar Sharma, Chandramouli Kulshreshtha and Kee-Sun Sohn

      Version of Record online: 1 APR 2009 | DOI: 10.1002/adfm.200801238

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      The discovery of new green phosphors by minimization of the inconsistency index and maximization of the average luminance using multiobjective genetic algorithm-assisted combinatorial chemistry is reported.

    4. Fabrication and Electrochemical Properties of Epitaxial Samarium-Doped Ceria Films on SrTiO3-Buffered MgO Substrates (pages 1713–1719)

      Simone Sanna, Vincenzo Esposito, Daniele Pergolesi, Andrea Orsini, Antonello Tebano, Silvia Licoccia, Giuseppe Balestrino and Enrico Traversa

      Version of Record online: 14 APR 2009 | DOI: 10.1002/adfm.200801768

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      Highly crystalline, epitaxial samarium-doped ceria (SDC) thin films are grown by pulsed laser deposition on (001) MgO single crystals with a SrTiO3 buffer layer (see figure). This heterostructure allows measurement of the conductivity of the SDC films without interference of the substrate conductivity. The films exhibit large ionic conductivity at low oxygen partial pressures and are stable to oxidation-reduction cycles at high temperatures.

    5. Application of Inhibitor-Loaded Halloysite Nanotubes in Active Anti-Corrosive Coatings (pages 1720–1727)

      Dmitri Fix, Daria V. Andreeva, Yuri M. Lvov, Dmitry G. Shchukin and Helmuth Möhwald

      Version of Record online: 22 APR 2009 | DOI: 10.1002/adfm.200800946

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      Halloysite nanotubes are loaded with corrosion inhibitor and embedded into a sol–gel matrix. An aluminum substrate is dip-coated with the hybrid film and immersed in NaCl aqueous solution. Anodic current indicates a corrosion process at the defect caused in the coating. The maximal current density decreases with time down to zero, and the self-healing effect can be observed.

    6. High Mobility and Luminescent Efficiency in Organic Single-Crystal Light-Emitting Transistors (pages 1728–1735)

      Satria Zulkarnaen Bisri, Taishi Takenobu, Yohei Yomogida, Hidekazu Shimotani, Takeshi Yamao, Shu Hotta and Yoshihiro Iwasa

      Version of Record online: 22 APR 2009 | DOI: 10.1002/adfm.200900028

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      High-performance ambipolar light-emitting transistors (LETs) of highly photoluminescent α,ω-bis(biphenylyl)terthiophene single crystals exhibit high hole and electron mobilities. The electroluminescence is confined inside the single-crystal channel and emits solely from its edges. A current-density-dependent spectral evolution is observed. This suggests that ambipolar LETs from organic single crystals are a promising route for electrically driven organic laser realization.

    7. Reduced Surfactant Uptake in Three Dimensional Assemblies of VOx Nanotubes Improves Reversible Li+ Intercalation and Charge Capacity (pages 1736–1745)

      Colm O'Dwyer, Vladimir Lavayen, David A. Tanner, Simon B. Newcomb, Eglantina Benavente, Guillermo González and Clivia M. Sotomayor Torres

      Version of Record online: 20 APR 2009 | DOI: 10.1002/adfm.200801107

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      Vanadium oxide nano-urchin and nanotubes are observed to have varying degrees of crystalline order and uniformity depending on the precursor used and its hydration state during synthesis (see figure), resulting in reduced interlaminar alkylammonium cation uptake and exposure of nanocrystalline regions of pure orthorhombic V2O5 throughout the length of nanotubes. Less ordered nanotubes result in improved specific charge capacities and cyclability.

    8. One-Dimensional Microwires Formed by the Co-Assembly of Complementary Aromatic Donors and Acceptors (pages 1746–1752)

      Jie-Yu Wang, Jing Yan, Lin Ding, Yuguo Ma and Jian Pei

      Version of Record online: 4 MAY 2009 | DOI: 10.1002/adfm.200900093

      Thumbnail image of graphical abstract

      A complementary pair of truxene derivatives, Tr3 and and its oxidized counterpart TrO3, is presented; the pair sets a good platform for the investigation of aromatic donor–acceptor interactions. One-dimensional microstructures are realized (see figure) by solution processing that relies on such interactions. These results open new possibilities in the future design of organic nano- and microstructures.

    9. Beam to String Transition of Vibrating Carbon Nanotubes Under Axial Tension (pages 1753–1758)

      Xianlong Wei, Qing Chen, Shengyong Xu, Lianmao Peng and Jianmin Zuo

      Version of Record online: 14 APR 2009 | DOI: 10.1002/adfm.200900105

      Thumbnail image of graphical abstract

      The vibration properties of CNTs under axial tension are quantificationally studied through a novel in situ method for precise and simultaneous measurement of the resonance frequency, the axial tension applied to individual CNTs and the tube geometry. A gradual beam-to-string transition from multiwalled CNTs to single-walled CNTs is observed.

    10. Large-Scale Synthesis of Long Crystalline Cu2-xSe Nanowire Bundles by Water-Evaporation-Induced Self-Assembly and Their Application in Gas Sensing (pages 1759–1766)

      Jun Xu, Weixin Zhang, Zeheng Yang, Shaixia Ding, Chunyan Zeng, Lingling Chen, Qiang Wang and Shihe Yang

      Version of Record online: 8 APR 2009 | DOI: 10.1002/adfm.200801430

      Thumbnail image of graphical abstract

      Long Cu2-xSe nanowire bundles, which comprise crystalline nanowires with diameters of 5–8 nm and lengths up to hundreds of micrometers, are synthesized in large numbers by a facile water evaporation process and shown to have good sensitivity to humidity with ideal linearity, quick response/recovery, and long lifetime at room temperature.

    11. Synthesis, Mechanism, and Gas-Sensing Application of Surfactant Tailored Tungsten Oxide Nanostructures (pages 1767–1774)

      Suman Pokhrel, Cristian E. Simion, Valentin S. Teodorescu, Nicolae Barsan and Udo Weimar

      Version of Record online: 8 APR 2009 | DOI: 10.1002/adfm.200801171

      Thumbnail image of graphical abstract

      Tungsten oxide nanoparticles (30–70 nm) with varying morphologies (rods, plates, and porous) can be developed using a halide precursor in the presence of surfactants, such as deferoxamine mesylate, hexadecyltrimethylammoniumbromide, and the poly(alkylene oxide) block copolymer Pluronic P123. The single-crystalline, porous WO3-based sensors are remarkably sensitive towards NO2 and CO at lower and higher temperatures, respectively (see figure).

    12. Size Effect on Properties of Varistors Made From Zinc Oxide Nanoparticles Through Low Temperature Spark Plasma Sintering (pages 1775–1783)

      Léna Saint Macary, Myrtil L. Kahn, Claude Estournès, Pierre Fau, David Trémouilles, Marise Bafleur, Philippe Renaud and Bruno Chaudret

      Version of Record online: 8 APR 2009 | DOI: 10.1002/adfm.200801067

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      Ceramics of variable grain sizes based on zinc oxide nanoparticles are formed by spark plasma sintering. Interestingly, the ceramics can be nanostructured when sintered under appropriate conditions. The electrical characterizations of the materials demonstrate that all these materials show nonlinear behavior. The link between the grain size and the breakdown field is clearly evidenced.

    13. One-Pot Preparation of Polymer–Enzyme–Metallic Nanoparticle Composite Films for High-Performance Biosensing of Glucose and Galactose (pages 1784–1791)

      Yingchun Fu, Penghao Li, Qingji Xie, Xiahong Xu, Lihong Lei, Chao Chen, Can Zou, Wenfang Deng and Shouzhuo Yao

      Version of Record online: 14 APR 2009 | DOI: 10.1002/adfm.200801576

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      Polymer–enzyme–metallic nanoparticle bionanocomposites films with a high load of immobilized high-activity enzyme and obvious electrocatalysis/nano-enhancement effects for biosensing of glucose and galatose are designed and prepared by a one-pot chemical pre-synthesis/electropolymerization protocol, and the prepared enzyme electrodes work well in both first and second-generation biosensing modes.

    14. Hierarchic Nanostructure for Auto-Modulation of Material Release: Mesoporous Nanocompartment Films (pages 1792–1799)

      Qingmin Ji, Somobrata Acharya, Jonathan P. Hill, Ajayan Vinu, Suk Bon Yoon, Jong-Sung Yu, Kazutami Sakamoto and Katsuhiko Ariga

      Version of Record online: 8 APR 2009 | DOI: 10.1002/adfm.200801762

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      Hollow silica capsules are used to fabricate mesoporous compartment films capable of uptake and release of encapsulated molecules. Variable diffusion rates from interior to exterior result in an auto-modulated stepwise release behaviour without applying any external stimuli.

    15. Nitrogen-Enriched Nonporous Carbon Electrodes with Extraordinary Supercapacitance (pages 1800–1809)

      Denisa Hulicova-Jurcakova, Masaya Kodama, Soshi Shiraishi, Hiroaki Hatori, Zong Hua Zhu and Gao Qing Lu

      Version of Record online: 1 APR 2009 | DOI: 10.1002/adfm.200801100

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      Nitrogen-enriched nonporous carbon materials with excellent capacitive performance are prepared from melamine–mica (MM) composites. In samples that are oxidized prior to ammonia treatment (MMOA), the carbon surface incorporates more N functional groups, resulting in high levels of pseudocapacitance. The low surface area and high capacitance of these materials make them suitable electrode materials for compact energy storage devices with stable cycling performance for up to 10 000 cycles.

    16. Charge Generation and Photovoltaic Operation of Solid-State Dye-Sensitized Solar Cells Incorporating a High Extinction Coefficient Indolene-Based Sensitizer (pages 1810–1818)

      Henry J. Snaith, Annamaria Petrozza, Seigo Ito, Hidetoshi Miura and Michael Grätzel

      Version of Record online: 4 MAY 2009 | DOI: 10.1002/adfm.200801751

      Thumbnail image of graphical abstract

      An indolene-based dye performs remarkably well in solid-state dye-sensitized solar cells, delivering 6% efficiency measured under simulated solar illumination of 10 mW cm−2. The photovoltaic process is shown to proceed via reductive quenching, which has not previously been observed to be the dominant process in efficiently operating dye-sensitized solar cells.

    17. Synthesis of Luminescent ZrO2:Eu3+ Nanoparticles and Their Holographic Sub-Micrometer Patterning in Polymer Composites (pages 1819–1825)

      Tsedev Ninjbadgar, Georg Garnweitner, Alexander Börger, Leonid M. Goldenberg, Oksana V. Sakhno and Joachim Stumpe

      Version of Record online: 30 MAR 2009 | DOI: 10.1002/adfm.200801835

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      Highly crystalline, fluorescent ZrO2:Eu3++ nanoparticles with luminescence quantum yield of up to 8.7% are synthesized in a facile and one-step procedure. Through holographic photopolymerization of dispersions of the nanoparticles in suitable monomer mixtures, volume Bragg gratings with light-emissive properties are fabricated, evidencing the high suitability of this approach for the synthesis of tailored nanomaterials for elaborate and demanding applications.

    18. Giant Electric Field Tuning of Magnetic Properties in Multiferroic Ferrite/Ferroelectric Heterostructures (pages 1826–1831)

      Ming Liu, Ogheneyunume Obi, Jing Lou, Yajie Chen, Zhuhua Cai, Stephen Stoute, Mary Espanol, Magnum Lew, Xiaodan Situ, Kate S. Ziemer, Vince G. Harris and Nian X. Sun

      Version of Record online: 8 APR 2009 | DOI: 10.1002/adfm.200801907

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      Giant magnetoelectric couplings in microwave frequency are observed in multiferroic ferrite-ferroelectric heterostructures derived by a low temperature spin-spray process. A record-high electrostatically tuning of ferromagnesim resonance field up to 860 Oe, corresponding to a large microwave magnetoelectric coefficient of 108 Oe cm kV–1, is achieved in a Fe3O4/PZN-PT heterostructure, which provides a great opportunity for electrostatically tunable microwave multiferroic devices.

  6. Correction

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Contents
    5. Frontispiece
    6. Full Papers
    7. Correction
    8. Index
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      Integration of a Rib Waveguide Distributed Feedback Structure into a Light-Emitting Polymer Field-Effect Transistor

      Michael C. Gwinner, Saghar Khodabakhsh, Myoung Hoon Song, Heinz Schweizer, Harald Giessen and Henning Sirringhaus

      Version of Record online: 2 JUN 2009 | DOI: 10.1002/adfm.200990048

      This article corrects:
  7. Index

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Contents
    5. Frontispiece
    6. Full Papers
    7. Correction
    8. Index

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