Electron-hole diffusion lengths > 175 μm in solution-grown CH 3 NH 3 PbI 3 single crystals
Abstract
The efficient operation of solar cells based on inorganic-organic perovskites requires balanced transport of positive and negative charge carriers over long distances. Dong et al. used a top-seeded solution growth method to obtain millimeter-scale single crystals of the organolead trihalide perovskite CH 3 NH 3 PbI 3 . Under low light illumination, the electron and hole diffusion lengths exceeded 3 mm, and under full sunlight illumination, they exceeded 175 µm.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Feb 27, 2015
- Source ID
- 10.1126/science.aaa5760
Entities
People
- Jie Qiu
- Jinsong Huang
- Lei Cao
- Padhraic Mulligan
- Qingfeng Dong
- Yanjun Fang
- Yuchuan Shao
Organizations
- Defense Threat Reduction Agency
- Ohio State University
- United States Department of Energy
- University of Nebraska–Lincoln