L Li

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Publications (1)2.85 Total impact

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    Article: Electrically Bistable Thin-Film Device Based on PVK and GNPs Polymer Material
    Y. Song, Q. D. Ling, S. L. Lim, E. Y. H. Teo, Y. P. Tan, L. Li, E. T. Kang, D. S. H. Chan, C. Zhu
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    ABSTRACT: We present an electrical-bistability device based on MIM-sandwiched structure. Poly(N-vinylcarbazole) (PVK) mixed with gold nanoparticles (GNPs) serve as the active layer between two metal electrodes. After applying a voltage, the as-fabricated device can transit from low conductivity state to high conductivity state. By simply using a reverse bias, the high conductivity state can return to the low conductivity state. An on/off current ratio as high as 10<sup>5 </sup> at room temperature has been achieved. The memory effect is attributed to electric-field-induced charge transfer complex formed between the PVK and the GNPs. The device shows a good stability under stress test for both states and exhibits a high potential on Flash-type memory applications
    IEEE Electron Device Letters 03/2007; · 2.85 Impact Factor

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