Recent Progress of Perovskite Solar Cells

The current article reviews recent development of perovskite solar cell, highlighting operating principles, perovskite absorber, hole-transport contact, electron-selective contact and counter electrode. The existing problems of perovskite solar cells will be discussed according to the current research result, meanwhile the advances of it are also briefly summarized. Keywords: Electron-selective, hole-transport materials, perovskite, solar cell.