Review—Perovskite/Spinel Based Graphene Derivatives Electrochemical and Biosensors

The development of sensors for the detection of different substances is a worldwide demand. Nanotechnology has allowed great advances in this area in an attempt to bring new possibilities. Sensors with perovskite and spinel structures have been widely investigated and demonstrated interesting performances, due to their fascinating optical, magnetic, and electrical properties. Despite this advancement, some limitations and drawbacks have to be resolved. Moreover, the combination of such structures with graphene derivatives has attracted particular attention in recent years; so far the obtained results manifest improved sensors’ performance, thanks to the effective combination of their individual properties. This comprehensive review aims to highlight the recent advances in Electrochemical and Biological nanosensors based on spinel and perovskite structures without and with graphene derivatives, by presenting sensing applications of diverse substances alongside advantages and futures challenges.