Formulations for the Manufacture of Perovskite Devices

The present disclosure relates to a device that includes a perovskite layer; and a first layer that includes a molecule having a structure according to formula (I) Wherein the perovskite layer and the first layer are in physical contact, n is between 1 and 10, inclusively, R.sub.1 includes at least one of hydrogen, a first alkyl group, a first alkoxy group, and/or a first halogen, R.sub.2 includes at least one of hydrogen, a second alkyl group, a second alkoxy group, and/or a second halogen, R.sub.1 is bonded to aromatic ring (A) at carbon atom (1), carbon atom (2), carbon atom (3), or carbon atom (4), R.sub.2 is bonded to aromatic ring (B) at carbon atom (5), carbon atom (6), carbon atom (7), or carbon atom (8), and R.sub.1 and R.sub.2 are the same or different.