Graphene can be used to detect molecules in the air which has applications in air pollution monitoring. https://phys.org/news/2016-04-graphene-based-sensor-air-

Graphene can be used to detect molecules in the air which has applications in air pollution monitoring. https://phys.org/news/2016-04-graphene-based-sensor-air-pollution-home.html https://phys.org/news/2016-04-graphene-based-sensor-air-poll...