Advanced Functional Materials

Cover image for Vol. 23 Issue 35

September 20, 2013

Volume 23, Issue 35

Pages 4273–4385

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      Plasmonics: Near-Field Enhanced Plasmonic-Magnetic Bifunctional Nanotubes for Single Cell Bioanalysis (Adv. Funct. Mater. 35/2013) (page 4273)

      Xiaobin Xu, Huifeng Li, Dihan Hasan, Rodney S. Ruoff, Alan X. Wang and D. L. Fan

      Article first published online: 17 SEP 2013 | DOI: 10.1002/adfm.201370173

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      Unique near-field enhanced plasmonic-magnetic bifunctional nanotubes are fabricated by D. L. Fan and co-workers. Their plasmonic properties are investigated on page 4332 through both experimentation and theoretical modeling. By leveraging the bifunctionality, a nanotube can be precisely transported to a single living Chinese hamster ovary cell amidst many and reveal its membrane chemistry (lipid and protein) with SERS spectroscopy.

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      Batteries: Homogeneous CoO on Graphene for Binder-Free and Ultralong-Life Lithium Ion Batteries (Adv. Funct. Mater. 35/2013) (page 4274)

      Xiao-lei Huang, Ru-zhi Wang, Dan Xu, Zhong-li Wang, Heng-guo Wang, Ji-jing Xu, Zhong Wu, Qing-chao Liu, Yu Zhang and Xin-bo Zhang

      Article first published online: 17 SEP 2013 | DOI: 10.1002/adfm.201370174

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      Y. Zhang, X.-B. Zhang, and co-workers report on page 4345 an electrostatic-induced spread-growth method to homogeneously coat CoO on graphene. Binder-free electrode with excellent structural stability can then be easily prepared by layer-by-layer stacking. As an anode for Li-ion batteries, the asprepared electrode exhibits a high rate capability and excellent cycle stability up to 5000 cycles. This opens up a promising strategy to develop high-performance anodes for next-generation LIBs.

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      Thermal Energy Storage: Single-Walled Carbon Nanotube/Phase Change Material Composites: Sunlight-Driven, Reversible, Form-Stable Phase Transitions for Solar Thermal Energy Storage (Adv. Funct. Mater. 35/2013) (page 4388)

      Yunming Wang, Bingtao Tang and Shufen Zhang

      Article first published online: 17 SEP 2013 | DOI: 10.1002/adfm.201370175

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      On page 4354, B. Tang and co-workers introduce SWNT/PCM composites which can effectively capture visible and NIR light, convert it to thermal energy, and store heat energy via phase transitions. The composites also have high strength, flexibility, and thermal conductivity. This opens up the design and development of materials with efficient visible light harvesting, photothermal conversion, and thermal storage abilities under solar radiation, which would be useful in many areas of energy production and smart clothing.

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      Masthead: (Adv. Funct. Mater. 35/2013)

      Article first published online: 17 SEP 2013 | DOI: 10.1002/adfm.201370176

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  6. Frontispiece

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      Nanocomposites: A Low-Toxic Multifunctional Nanoplatform Based on Cu9S5@mSiO2 Core-Shell Nanocomposites: Combining Photothermal- and Chemotherapies with Infrared Thermal Imaging for Cancer Treatment (Adv. Funct. Mater. 35/2013) (page 4280)

      Guosheng Song, Qian Wang, Yang Wang, Gang Lv, Chun Li, Rujia Zou, Zhigang Chen, Zongyi Qin, Keke Huo, Ronggui Hu and Junqing Hu

      Article first published online: 17 SEP 2013 | DOI: 10.1002/adfm.201370178

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      J. Hu and co-workers successfully develop mesoporous silica-coated copper with a core-shell nanostructure (Cu9S5@mSiO2) as a versatile multifunctional platform. On page 4281, the Cu9S5@mSiO2 shows low cytotoxicity and excellent blood compatibility, and is effective for both photothermal therapy and infrared thermal imaging. Moreover, it can deliver Doxorubicin into cancer cells for chemotherapy, which enhances the effect of thermotherapy. These results will encourage development of such a nanoplatform, synergetically combining thermo- and chemotherapy for real potential in the clinic.

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    1. A Low-Toxic Multifunctional Nanoplatform Based on Cu9S5@mSiO2 Core-Shell Nanocomposites: Combining Photothermal- and Chemotherapies with Infrared Thermal Imaging for Cancer Treatment (pages 4281–4292)

      Guosheng Song, Qian Wang, Yang Wang, Gang Lv, Chun Li, Rujia Zou, Zhigang Chen, Zongyi Qin, Keke Huo, Ronggui Hu and Junqing Hu

      Article first published online: 9 APR 2013 | DOI: 10.1002/adfm.201203317

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      A multifunctional nanoplatform based on the Cu9S5@mSiO2-PEG core-shell nanocomposites demonstrates an excellent biocompatibility and can be used for combining photothermal- and chemotherapies with infrared thermal imaging of cancer treatment.

    2. Structure-Properties Relationship in Iron Oxide-Reduced Graphene Oxide Nanostructures for Li-Ion Batteries (pages 4293–4305)

      Seung-Ho Yu, Donato E. Conte, Seunghwan Baek, Dong-Chan Lee, Seung-Keun Park, Kyung Jae Lee, Yuanzhe Piao, Yung-Eun Sung and Nicola Pinna

      Article first published online: 5 APR 2013 | DOI: 10.1002/adfm.201300190

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      A series of iron oxide/reduced graphene oxide composites are synthesized in one-step by a simple microwave-assisted non-aqueous sol-gel route in just few minutes. The precise characterization and comparison between the sample studied allow elucidation of structure–property relationships and the improvement of electrochemical performance targeting Li-Ion battery applications.

    3. A Negative Conductivity Material Makes a dc Invisibility Cloak Hide an Object at a Distance (pages 4306–4310)

      Fan Yang, Zhong Lei Mei, Xin Yu Yang, Tian Yu Jin and Tie Jun Cui

      Article first published online: 11 APR 2013 | DOI: 10.1002/adfm.201300226

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      Closed dc cloaks can render a conducting object invisible to external detection and distortions of probing currents due to the embedded object can be limited to inside the cloak. Using negative conductivities, exterior dc cloaks that make a nearby object invisible to the outside detectors can be realized.

    4. Niobium Nanowire Yarns and their Application as Artificial Muscles (pages 4311–4316)

      Seyed M. Mirvakili, Alexey Pazukha, William Sikkema, Chad W. Sinclair, Geoffrey M. Spinks, Ray H. Baughman and John D. W. Madden

      Article first published online: 5 APR 2013 | DOI: 10.1002/adfm.201203808

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      Niobium nanowires are twisted to form strong (0.4 to 1.1 GPa) and highly conductive (3 × 106 S m−1) yarns. Impregnation with paraffin wax produces linear and large torsional actuation in response to heating and cooling.

    5. BiSbTe-Based Nanocomposites with High ZT: The Effect of SiC Nanodispersion on Thermoelectric Properties (pages 4317–4323)

      Jianhui Li, Qing Tan, Jing-Feng Li, Da-Wei Liu, Fu Li, Zong-Yue Li, Minmin Zou and Ke Wang

      Article first published online: 10 APR 2013 | DOI: 10.1002/adfm.201300146

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      A high figure of merit (ZT) up to 1.33 at 373 K is achieved by incorporating a tiny number of SiC particles to a traditional Bi0.3Sb1.7Te3 thermoelectric material. The existence of SiC nanoinclusions in the p-type Bi0.3Sb1.7Te3 thermoelectric matrix reduces the electrical resistivity and increases the Seebeck coefficient, which leads to the remarkable ZT enhancement.

    6. Amphiphilic Polymeric Nanocarriers with Luminescent Gold Nanoclusters for Concurrent Bioimaging and Controlled Drug Release (pages 4324–4331)

      Dongyun Chen, Zhentao Luo, Najun Li, Jim Yang Lee, Jianping Xie and Jianmei Lu

      Article first published online: 11 APR 2013 | DOI: 10.1002/adfm.201300411

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      A facile self-assembly method is used to integrate orange luminescent gold nanoclusters (L-AuNCs), which are cancer cell targeting agents, a hydrophobic cancer drug, and a pH-responsive amphiphilic polymer into a nanocomposite theranostic system. The nanocomposite can selectively target the affected cells and unload the cancer drug via a controlled release mechanism. The release of the drug can be continuously monitored by the luminescence of the co-delivered imaging probes (L-AuNCs).

    7. Near-Field Enhanced Plasmonic-Magnetic Bifunctional Nanotubes for Single Cell Bioanalysis (pages 4332–4338)

      Xiaobin Xu, Huifeng Li, Dihan Hasan, Rodney S. Ruoff, Alan X. Wang and D. L. Fan

      Article first published online: 8 APR 2013 | DOI: 10.1002/adfm.201203822

      Thumbnail image of graphical abstract

      Unique near-field enhanced plasmonic-magnetic bifunctional nanotubes are fabricated and their plasmonic properties are investigated by both experimentation and theoretical modeling. By leveraging the bifunctionality, a nanotube can be precisely transported to a single living Chinese hamster ovary (CHO) cell amidst many and its membrane chemistry (lipid and protein) is revealed with surface-enhanced Raman scattering (SERS) spectroscopy.

  8. Frontispiece

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Frontispiece
    8. Full Papers
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      Nanostructures: Hindering the Oxidation of Silicene with Non-Reactive Encapsulation (Adv. Funct. Mater. 35/2013) (page 4339)

      Alessandro Molle, Carlo Grazianetti, Daniele Chiappe, Eugenio Cinquanta, Elena Cianci, Grazia Tallarida and Marco Fanciulli

      Article first published online: 17 SEP 2013 | DOI: 10.1002/adfm.201370179

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      A. Molle and co-workers engineer a ‘silicene sandwich’: the encapsulation of silicene layers epitaxially grown on Ag(111) is necessary to avoid oxidation. Al2O3-based encapsulation of these layers, demonstrated on page 4340, results in a sandwiched structure that can be exploited for the ex situ characterization of silicene, or for devices incorporating a gated silicene sheet.

  9. Full Papers

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    1. Hindering the Oxidation of Silicene with Non-Reactive Encapsulation (pages 4340–4344)

      Alessandro Molle, Carlo Grazianetti, Daniele Chiappe, Eugenio Cinquanta, Elena Cianci, Grazia Tallarida and Marco Fanciulli

      Article first published online: 9 APR 2013 | DOI: 10.1002/adfm.201300354

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      The chemical stability of epitaxial silicene results in a low reactivity with O2 when dosing up to 1000 L and in a progressive oxidation under ambient conditions. Non-destructive Al- and Al2O3-based encapsulation approaches that can be exploited for ex situ characterization of silicene and for gated silicene devices (irrespective of the support substrate) are engineered.

    2. Homogeneous CoO on Graphene for Binder-Free and Ultralong-Life Lithium Ion Batteries (pages 4345–4353)

      Xiao-lei Huang, Ru-zhi Wang, Dan Xu, Zhong-li Wang, Heng-guo Wang, Ji-jing Xu, Zhong Wu, Qing-chao Liu, Yu Zhang and Xin-bo Zhang

      Article first published online: 9 APR 2013 | DOI: 10.1002/adfm.201203777

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      Homogeneous β-Co(OH)2 on graphene is synthesized using a simple and effective electrostatic induced spread growth method, which ensures the facile fabrication of a binder-free and mechanically robust CoO/graphene electrode by means of a layer-by-layer stacking process. When employed as an anode in Li-ion batteries, a high rate capability and excellent cycle stability up to 5000 cycles are successfully obtained.

    3. Single-Walled Carbon Nanotube/Phase Change Material Composites: Sunlight-Driven, Reversible, Form-Stable Phase Transitions for Solar Thermal Energy Storage (pages 4354–4360)

      Yunming Wang, Bingtao Tang and Shufen Zhang

      Article first published online: 10 MAY 2013 | DOI: 10.1002/adfm.201203728

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      Novel single-walled carbon nanotube/phase change material (SWNT/PCM) composites have UV-vis sunlight harvesting, light-thermal conversion, thermal energy storage, and form-stable effects. Upon UV-vis light irradiation, the light-to-heat conversion and thermal storage efficiency (η) of the obtained SWNT/PCM composites is over 0.84 using the photothermal calculation method.

    4. Template-Free Sol-Gel Preparation of Superhydrophobic ORMOSIL Films for Double-Wavelength Broadband Antireflective Coatings (pages 4361–4365)

      Xin-Xiang Zhang, Shuang Cai, Dan You, Liang-Hong Yan, Hai-Bing Lv, Xiao-Dong Yuan and Bo Jiang

      Article first published online: 25 MAR 2013 | DOI: 10.1002/adfm.201203059

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      A double-layer double wavelength antireflective (AR) coating that has 100% transmittance at both 1064 nm and 532 nm is designed with the assistance of a computer. This coating consists of top and bottom layers with refractive indices of 1.14 and 1.30. A template-free sol-gel method for the preparation of the superhydrophobic silica thin film with an ultralow refractive index is proposed.

    5. Red, Green, and Blue Light-Emitting Polyfluorenes Containing a Dibenzothiophene-S,S-Dioxide Unit and Efficient High-Color-Rendering-Index White-Light-Emitting Diodes Made Therefrom (pages 4366–4376)

      Lei Yu, Jie Liu, Sujun Hu, Ruifeng He, Wei Yang, Hongbin Wu, Junbiao Peng, Ruidong Xia and Donal D. C. Bradley

      Article first published online: 2 APR 2013 | DOI: 10.1002/adfm.201203675

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      White polymer light-emitting diodes with an attractive power efficiency-color rendering index (CRI)-color stability trade-off are successfully realized by blending red-green-blue (RGB) light-emitting polymers based on 9,9-bis(4-(2-ethyl-hexyloxy)phenyl)fluorene copolymerized with dibenzothiophene-S,S-dioxide (PPF-SO, blue), and benzothiadiazole (PPF-SO-BT, green) or dithienylbenzothiadiazole (PPF-SO-DHTBT, red) units.

    6. A New Type of Efficient CO2 Adsorbent with Improved Thermal Stability: Self-Assembled Nanohybrids with Optimized Microporosity and Gas Adsorption Functions (pages 4377–4385)

      Tae Woo Kim, In Young Kim, Tae Sung Jung, Chang Hyun Ko and Seong-Ju Hwang

      Article first published online: 8 APR 2013 | DOI: 10.1002/adfm.201300071

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      An effective way to synthesize efficient CO2 adsorbents from pillared materials is developed on the basis of an electrostatically derived self-assembly between exfoliated 2D nanosheets and two kinds of guest nanoclusters. The co-pillaring of basic CdO with Cr2O3 makes it possible to improve the microporosity and basicity of the resulting pore structure and to enhance the CO2 adsorption function and thermal stability of pillared materials.

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