Issue 27, 2024

Construction of semiconductor nanocomposites for room-temperature gas sensors

Abstract

Gas sensors are essential for ensuring public safety and improving quality of life. Room-temperature gas sensors are notable for their potential economic benefits and low energy consumption, and their expected integration with wearable electronics, making them a focal point of contemporary research. Advances in nanomaterials and low-dimensional semiconductors have significantly contributed to the enhancement of room-temperature gas sensors. These advancements have focused on improving sensitivity, selectivity, and response/recovery times, with nanocomposites offering distinct advantages. The discussion here focuses on the use of semiconductor nanocomposites for gas sensing at room temperature, and provides a review of the latest synthesis techniques for these materials. This involves the precise adjustment of chemical compositions, microstructures, and morphologies. In addition, the design principles and potential functional mechanisms are examined. This is crucial for deepening the understanding and enhancing the operational capabilities of sensors. We also highlight the challenges faced in scaling up the production of nanocomposite materials. Looking ahead, semiconductor nanocomposites are expected to drive innovation in gas sensor technology due to their carefully crafted design and construction, paving the way for their extensive use in various sectors.

Graphical abstract: Construction of semiconductor nanocomposites for room-temperature gas sensors

Article information

Article type
Review Article
Submitted
30 Jan 2024
Accepted
05 Jun 2024
First published
26 Jun 2024

Nanoscale, 2024,16, 12883-12908

Construction of semiconductor nanocomposites for room-temperature gas sensors

W. Zhang, X. Chen, Y. Chen, H. Li and H. Liu, Nanoscale, 2024, 16, 12883 DOI: 10.1039/D4NR00441H

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