Table 1.

List of review papers on graphene and graphene/conducting polymer nanocomposites-based gas sensors.

Year of Publication	Title of Paper	Main Emphasis	References
2019	Review—Conducting Polymers as Chemiresistive Gas Sensing Materials: A Review	Conducting polymers	[28]
2018	A review on chemiresistive room temperature gas sensors based on metal oxide nanostructures, graphene and 2D transition metal dichalcogenides.	2D transition metal dichalcogenides, metal oxide nanomaterials, and graphene	[24]
2018	Research progress of gas sensor based on graphene and its derivatives: a review.	Graphene and its derivatives	[25]
2018	Graphene and its sensor-based applications: A review.	Graphene and its application in 3 different sensor applications such as electrochemical, strain and electrical sensors	[26]
2017	Chemo-electrical gas sensors based on conducting polymer hybrids.	Conducting polymers and conducting polymer hybrids for chemo-electrical gas sensors	[21]
2016	A review on graphene-based gas/vapor sensors with unique properties and potential applications.	Graphene	[23]
2015	Graphene–metal oxide nanohybrids for toxic gas sensor: A review.	Graphene and metal oxide hybrids	[27]
2015	Graphene-based hybrids for chemiresistive gas sensors	Graphene and graphene-based hybrids	[11]
2015	Elaborate chemical sensors based on graphene/conducting polymer hybrids.	Graphene and conducting polymer hybrids for chemical sensors	[29]
2014	Conducting polymer composites with graphene for use in chemical sensors and biosensors.	Chemical sensors and biosensors	[19]