Sentences with phrase «bromine ions»

The areas with higher bromine concentrations had up to 180 percent higher photoluminescence than areas depleted of bromine ions.

The researchers studied a type of hybrid perovskite called methylammonium lead bromide, which contains negatively charged bromine ions.

«We watch the bromine ions migrate within minutes and see that the resulting bromine - rich areas have the potential to become better solar cells while the performance is degraded in bromine - poor areas,» Fenning said.

Apart from rotation, these molecules affect positions of neighbouring bromine ions, further altering the atomic structure.

Not exact matches

The Stanford team looked at several emerging technologies, including five battery types — lead - acid, lithium - ion, sodium - sulfur, vanadium - redox and zinc - bromine.

Many are lead halide perovskites, which combine a lead ion and three ions of iodine or a related element, such as bromine, with a third type of ion (usually something like methylammonium).

Reactive bromine species are released from inert salt ions through a process that is not completely understood yet.