A system and a method for fabricating perovskite solar cells is proposed. The system includes multiple injection members (102, 104, 106, 108, 110) and multiple curing/heating members (114), wherein the multiple injection members are arranged such that at least one curing/heating member is in between each of the mult...

An apparatus (100) for purifying water is disclosed. The apparatus comprises a container having a volume therein to store water and a plurality of copper plates. A piezoelectric pulse generator (110) is connected to the plurality of copper plates such that a first voltage terminal (112) is connected to a first set o...