纳米管化学传感器

M. Norani Muti, H. Thaha, A. Dzilal, J. Dennis
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引用次数: 1

摘要

传感器技术由于能够提供对环境的快速反馈而引起了极大的关注。这导致了世界范围内密集的研究活动,以开发新的传感材料和技术。随着纳米技术的发展,轻量化、低功耗、低成本的微型化传感器成为可能。为了实现这一潜力,关键是开发可靠的生长技术,能够生产高纯度、高密度和所需性能的传感元件。本文重点介绍了纳米管形式的高质量传感元件的生产;碳纳米管(CNTs)和钛纳米管。两种类型的碳纳米管,单壁(SWCNT)和多壁(MWCNT)以垂直排列的薄膜形式生长在衬底上,由于其高纯度和方向性,被认为具有增强的传感性能。与二氧化钛纳米管类似,由于它们的质量,它们对氢的灵敏度和选择性将大大提高。基于这些纳米管特定性质的变化,化学传感器就可以被开发出来。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nanotube-based chemical sensors
Sensor technology has drawn a tremendous amount of attention because of its ability to provide fast feedback on the environment. This has led to intensive research activities worldwide to develop new sensing materials and technologies. With the advancement in nanotechnology, miniaturized sensors with reduced weight, lower power consumption, and low cost can be realized. In order to realize this potential, it is critical to develop reliable growth techniques capable of producing high purity, density and desired properties of the sensing element. This article focuses on the production of good quality sensing elements in the form of nanotubes; carbon nanotubes (CNTs) and titania nanotubes. Both types of CNTs, single-walled (SWCNT) and multiwalled (MWCNT) grown in the form of vertically aligned film on the substrates are believed to have enhanced sensing properties because of their high purity and directionality. Similarly with titania nanotubes, their sensitivity and selectivity towards hydrogen would be greatly increased because of their quality. Based on the changes in the specific properties of these nanotubes, chemical sensors can then be developed.
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