Along with the progress of nanoscience and nanotechnology, nanomaterials with attractive structural and functional properties have gained more attention than ever before, especially in the field of electronic sensors. In recent years, the gas sensing devices have made great achievement and also created wide application prospects, which leads to a new wave of research for designing advanced sensing materials. There is no doubt that the characteristics are highly governed by the sensitive layers. For this reason, important advances for the outstanding, novel sensing materials with different dimensional structures including 0D, 1D, 2D, and 3D are reported and summarized systematically. The sensing materials cover noble metals, metal oxide semiconductors, carbon nanomaterials, metal dichalcogenides, g-C₃N₄, MXenes, and complex composites. Discussion is also extended to the relation between sensing performances and their structure, electronic properties, and surface chemistry. In addition, some gas sensing related applications are also highlighted, including environment monitoring, breath analysis, food quality and safety, and flexible wearable electronics, from current situation and the facing challenges to the future research perspectives.

中文翻译：

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纳米结构传感材料从 0D 到 3D 的最新进展：气体传感器的结构-性能-应用关系概述

随着纳米科学和纳米技术的进步，具有有吸引力的结构和功能特性的纳米材料比以往任何时候都受到了更多的关注，尤其是在电子传感器领域。近年来，气体传感器件取得了巨大的成就，也创造了广阔的应用前景，引发了设计先进传感材料的新一轮研究浪潮。毫无疑问，这些特性受到敏感层的高度控制。为此，系统地报道和总结了具有不同维度结构（包括0D、1D、2D和3D）的优秀、新型传感材料的重要进展。传感材料涵盖贵金属、金属氧化物半导体、碳纳米材料、金属二硫化物、gC ₃ N₄、MXenes和复杂的复合材料。讨论还扩展到传感性能与其结构、电子特性和表面化学之间的关系。此外，还重点介绍了一些与气体传感相关的应用，包括环境监测、呼吸分析、食品质量和安全以及柔性可穿戴电子设备，从现状和面临的挑战到未来的研究视角。