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One-Dimensional Nanowire-Based Heterostructures for Gas Sensors

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Nanowire Electronics

Part of the book series: Nanostructure Science and Technology ((NST))

Abstract

One-dimensional (1D) nanostructured materials hold great potential for application in electronic devices owing to their structural advantages such as high surface-to-volume ratio, high surface sensitivity, high carrier mobility and ease for device integration. For gas sensing devices, the 1D nanowires have drawn considerable interests and the sensing performances of 1D nanowires could be further improved through surface functionalization. To this end various nanoparticles of metals or metal oxides have been employed as a sensitizer for 1D nanowires to achieve better detection performances. In this chapter, we presented a comprehensive overview on the recent progress with respect to the rational design and growth of 1D hetero-nanowires to make efficient gas sensors. The advantageous aspects of 1D nanowires for application as the sensing elements, as well as the sensing mechanism, are first discussed. We then place the focus on highlighting the sensing capability of nanowire heterostructures, i.e., metal nanoparticle/metal oxide nanowires and binary metal oxide (p-n and n-n) nanowires. Finally, we give some personal perspectives on the future developments in this area.

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Authors and Affiliations

  1. College of Physics, Qingdao University, Qingdao, China

    Jun Zhang & Xianghong Liu

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  1. Jun Zhang
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  2. Xianghong Liu
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Correspondence to Jun Zhang .

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  1. Institute of Semiconductors Chinese Academy of Sciences, Beijing, China

    Guozhen Shen

  2. Department of Materials Science and Engineering, National Tsing-Hua University, Taiwan, China

    Yu-Lun Chueh

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Zhang, J., Liu, X. (2019). One-Dimensional Nanowire-Based Heterostructures for Gas Sensors. In: Shen, G., Chueh, YL. (eds) Nanowire Electronics. Nanostructure Science and Technology. Springer, Singapore. https://doi.org/10.1007/978-981-13-2367-6_7

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