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Flexible carbon nanotube Schottky diode and its integrated circuit applications

机译：柔性碳纳米管肖特基二极管及其集成电路应用

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摘要

Carbon nanotubes (CNTs), a low-dimensional material currently popular in industry and academia, are promising candidates for addressing the limits of existing semiconductors. In particular, CNTs are attractive candidates for flexible electronic materials due to their excellent flexibility and potential applications. In this work, we demonstrate a flexible CNT Schottky diode based on highly purified, preseparated, solution-processed 99% semiconducting CNTs and an integrated circuit application using the CNT Schottky diodes. Notably, the fabricated flexible CNT diode can greatly modulate the properties of the contact formed between the semiconducting CNT and the anode electrode via the control gate bias, exhibiting a high rectification ratio of up to 2.5 × 10 ~(5) . In addition, we confirm that the electrical performance of the CNT Schottky diodes does not significantly change after a few thousand bending/releasing cycles of the flexible substrate. Finally, integrated circuit (IC) applications of logic circuits (OR and AND gates) and an analog circuit (a half-wave rectifier) were presented through the use of flexible CNT Schottky diode combinations. The correct output responses are successfully achieved from the circuit applications; hence, we expect that our findings will provide a promising basis for electronic circuit applications based on CNTs.
机译：碳纳米管（CNTs）是目前在工业和学术界流行的低尺寸材料，有望解决现有半导体的局限性。特别地，由于其优异的柔韧性和潜在的应用，CNT是柔性电子材料的有吸引力的候选者。在这项工作中，我们演示了一种基于高度纯化，预先分离，固溶处理的99％半导体CNT的柔性CNT肖特基二极管，以及使用CNT肖特基二极管的集成电路应用。值得注意的是，所制造的柔性CNT二极管可以通过控制栅极偏压极大地调节半导体CNT和阳极之间形成的接触的特性，表现出高达2.5×10〜（5）的高整流比。此外，我们确认，在柔性基板经过数千次弯曲/释放循环后，CNT肖特基二极管的电性能不会显着变化。最后，通过使用柔性CNT肖特基二极管组合，介绍了逻辑电路（或门和与门）和模拟电路（半波整流器）的集成电路（IC）应用。正确的输出响应可通过电路应用成功实现;因此，我们希望我们的发现将为基于CNT的电子电路应用提供有希望的基础。

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