Perovskites in the spotlight


Journal Article

Perovskites, materials with the crystal structure of calcium titanate, have only been intensely studied for solar cells since 2012. Tsutomu Miyasaka and his colleagues at Toin University of Yokohama were the first to use perovskites in a dye-sensitized solar cell (DSSC) configuration in 2009. Then in 2012, Nam-Gyu Park at Sungkyunkwan University in South Korea together with Michael GraÄtzel made 9.7% efficient cells with CH3NH3PbI3 nanocrystals and a solid hole-conductor based on spirobifluorine. In July 2013, GraÄtzel and colleagues reported 15% efficiency by using a two-step method to make more uniform, better-crystallized perovskite films. Scientists have also been experimenting with different materials to improve performance and appeal. In December 2013, Dianyi Liu and Timothy Kelly at the University of Saskatchewan in Canada made flexible, 10-plus percent efficient perovskite solar cells by replacing the titania with a much thinner zinc oxide layer that could be processed at room temperature.

Full Text

Duke Authors

Cited Authors

  • Patel, P; Mitzi, D

Published Date

  • January 1, 2014

Published In

Volume / Issue

  • 39 / 9

Start / End Page

  • 768 - 769

International Standard Serial Number (ISSN)

  • 0883-7694

Digital Object Identifier (DOI)

  • 10.1557/mrs.2014.200

Citation Source

  • Scopus