Bulk Assembly of Corrugated 1D Metal Halides with Broadband Yellow Emission
Abstract
The family of molecular level low‐dimensional organic metal halide hybrids has expanded significantly over the last few years. Here a new type of 1D metal halide structure is reported, in which metal halide octahedra form a corrugated double‐chain structure via nonplanar edge‐sharing. This material with a chemical formula of C5H16N2Pb2Br6 exhibits a broadband yellow emission under ultraviolet light excitation with a photoluminescence quantum efficiency of around 10%. The light‐yellow emission is considered to be attributed to self‐trapping excitons. Theoretical calculations show that the unique alignment of the octahedra leads to small band dispersion and large exciton binding energy. Together with previously reported 1D metal halide wires and tubes, this new bulk assembly of 1D metal halides suggests the potential to develop a library of bulk assemblies of metal halides with controlled structures and compositions.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Jan 15, 2019
- Source ID
- 10.1002/adom.201801474
Entities
People
- Biwu Ma
- Chenkun Zhou
- Dan Han
- Ella Berkwits
- Haoran Lin
- Jennifer Neu
- Mao‐hua Du
- Maya Chaaban
- Michael Worku
- Shiyou Chen
- Sujin Lee
- Theo Siegrist
- Yan Zhou
Organizations
- Air Force Office of Scientific Research
- Florida State University
- National Foundation for Science and Technology Development
- National High Magnetic Field Laboratory
- National Natural Science Foundation of China
- National Science Foundation Directorate for Mathematical & Physical Sciences
- Oak Ridge National Laboratory
- United States Department of Energy