Over the last few decades, various volatile organic compounds (VOCs) have been widely used in the processing of building materials and this practice adversely affected the environment i.e. both indoor and outdoor air quality. A cost-effective solution for detecting a wide range of VOCs by sensing approaches includes chemiresistive, optical and electrochemical techniques. Room temperature (RT) chemiresistive gas sensors are next-generation technologies desirable for self-powered or battery-powered instruments utilized in monitoring emissions that are associated with indoor/outdoor air pollution and industrial processes. In this review, a state-of-the-art overview of chemiresistive gas sensors is provided based on their attractive analytical characteristics such as high sensitivity, selectivity, reproducibility, rapid assay time and low fabrication cost. The review mainly discusses the recent advancement and advantages of graphene oxide (GO) nanocomposites-based chemiresistive gas sensors and various factors affecting their sensing performance at RT. Besides, the sensing mechanisms of GO nanocomposites-based chemiresistive gas sensors derived using metals, transition metal oxides (TMOs) and polymers were discussed. Finally, the challenges and future perspectives of GO nanocomposites-based RT chemiresistive gas sensors are addressed.

在过去的几十年中，各种挥发性有机化合物（VOC）已广泛用于建筑材料的加工，这种做法对环境（即室内和室外空气质量）产生了不利影响。通过感测方法来检测各种VOC的经济有效的解决方案包括化学，光学和电化学技术。室温（RT）化学电阻式气体传感器是下一代技术，是用于监测与室内/室外空气污染和工业过程相关的排放物的自供电或电池供电的仪器所需要的。在这篇综述中，基于化学阻滞性气体传感器的诱人的分析特性（例如高灵敏度，选择性，重现性，快速的测定时间和较低的制造成本。这篇综述主要讨论了基于氧化石墨烯（GO）纳米复合材料的化学阻性气体传感器的最新进展和优势，以及影响其在室温下的传感性能的各种因素。此外，还讨论了使用金属，过渡金属氧化物（TMO）和聚合物衍生的GO纳米复合化学气体传感器的传感机理。最后，提出了基于GO纳米复合材料的RT化学阻性气体传感器的挑战和未来展望。讨论了过渡金属氧化物（TMO）和聚合物。最后，提出了基于GO纳米复合材料的RT化学阻性气体传感器的挑战和未来展望。讨论了过渡金属氧化物（TMO）和聚合物。最后，提出了基于GO纳米复合材料的RT化学阻性气体传感器的挑战和未来展望。