Gallium Oxide for Gas Sensor Applications: A Comprehensive Review.

Gallium Oxide for Gas Sensor Applications: A Comprehensive Review.
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用于气体传感器应用的氧化镓:全面综述

DOI:
10.3390/ma15207339
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发表时间:
2022-10-20
期刊:
Materials (Basel, Switzerland)
影响因子:
--
通讯作者:
Feng J
Feng J
中科院分区:
其他
文献类型:
--
作者:
Zhu J;Xu Z;Ha S;Li D;Zhang K;Zhang H;Feng J

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Ga 2 O3由于其优异的材料性能而成为一种有前途的超宽带隙半导体,在许多器件中有着广泛的应用。在本文中,我们提出了一个全面的审查,在过去的30年中取得的重大进展,在该领域的Ga 2 O3基气体传感器。我们开始与Ga 2 O 3的多晶型和基本的电性能的简要介绍。接下来,我们概述了迄今为止开发的用于制造Ga 2 O3传感材料的典型制备方法。然后,我们将集中讨论最先进的Ga 2 O3基气体传感器器件,并重点介绍七种复杂的策略,以提高其气敏性能的材料工程和设备优化。最后,对本文的工作进行了总结,并提出了几点建议,包括:(i)构建二维材料和有机聚合物的杂化结构;(ii)将密度泛函理论计算和机器学习相结合;(iii)利用Ga 2 O3基气体传感器的特征光谱,开发新型的光学传感器。
Ga2O3 has emerged as a promising ultrawide bandgap semiconductor for numerous device applications owing to its excellent material properties. In this paper, we present a comprehensive review on major advances achieved over the past thirty years in the field of Ga2O3-based gas sensors. We begin with a brief introduction of the polymorphs and basic electric properties of Ga2O3. Next, we provide an overview of the typical preparation methods for the fabrication of Ga2O3-sensing material developed so far. Then, we will concentrate our discussion on the state-of-the-art Ga2O3-based gas sensor devices and put an emphasis on seven sophisticated strategies to improve their gas-sensing performance in terms of material engineering and device optimization. Finally, we give some concluding remarks and put forward some suggestions, including (i) construction of hybrid structures with two-dimensional materials and organic polymers, (ii) combination with density functional theoretical calculations and machine learning, and (iii) development of optical sensors using the characteristic optical spectra for the future development of novel Ga2O3-based gas sensors.
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发表时间: 2009
期刊: Sensors (Basel, Switzerland)
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