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Volume 4 Issue 6, June 2012

Review

  • Nonvolatile memory devices based on hybrid inorganic/organic nanocomposites have emerged as excellent candidates for promising applications in next-generation electronic and optoelectronic devices because of their advantages of high-mechanical flexibility, simple fabrication and low cost. As shown in the figure, the resistive switching of a nanocomposite sandwiched between two electrodes enables the cross-point where A and B cross to work as a memory cell for data storage. To date, various nanomaterials and device structures have been developed to optimize the memory properties of hybrid nanocomposites.

    • Tae Whan Kim
    • Yang Yang
    • Wei Lek Kwan
    Review Open Access

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Original Article

  • Highly conductive and stretchable conductors from bacterial cellulose (BC) can be fabricated through a simple and inexpensive method using bacterial cellulose pellicles as starting materials, which can be produced in large amounts on an industrial scale via a microbial fermentation process. The prepared pyrolyzed BC/polydimethylsiloxane composites exhibit highly stable electric conductivity even under high stretching and bending strain.

    • Hai-Wei Liang
    • Qing-Fang Guan
    • Shu-Hong Yu
    Original Article Open Access
  • High-power applications at fast charge and discharge rates are still great challenges in the development of rechargeable lithium batteries. Here, we demonstrate that ultralong LiV3O8 nanowire cathode materials synthesized by topotactic Li intercalation present excellent high-rate and long-life performance. At the current density of 2000, mA g−1, the initial and the six-hundredth discharge capacities can reach 137 and 120 mAh g−1, respectively, corresponding to a capacity fading of only 0.022% per cycle. Such performance indicates that the topotactically synthesized ultralong LiV3O8 nanowires are promising cathode materials for high-rate and long-life rechargeable lithium batteries.

    • Xu Xu
    • Yan-Zhu Luo
    • Qing-Jie Zhang
    Original Article Open Access
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