ABSTRACT
This chapter reviews the monolithic dye-sensitized solar cells and perovskite solar cells, including carbon- and metal-based porous electrodes. Dye-sensitized solar cells (DSSC) have become promising alternatives to conventional silicon-based solar cells due to their ease of fabrication and use of cost-effective materials. The emerging perovskite solar cells (PSC) have attracted tremendous attention due to their promising electrical and optical properties and versatile fabrication process, resulting in high power conversion efficiency. As inspired by the monolithic dye-sensitized solar cells, mesoporous counter electrodes have recently been employed for PSCs, where the perovskite precursor is ultimately infiltrated in the final step for device fabrication. Inspired by the mesoporous carbon counter electrode applied for monolithic DSSCs, Han’s group first introduced mesoporous carbon electrode to replace the metal electrode in PSCs in 2013. Although the over-thick mesoporous electron counter electrode prevents the perovskite from moisture penetration, the stability of perovskite solar cells can be further enhanced by using durable perovskite materials such as low-dimensional perovskite.
