Tuning optical properties of transparent conducting barium stannate by dimensional reduction
- Jilin Univ., Changchun (China); Beijing Computational Science Research Center, Beijing (China)
- Jilin Univ., Changchun (China)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
We report calculations of the electronic structure and optical properties of doped n-type perovskite BaSnO3 and layered perovskites. While doped BaSnO3 retains its transparency for energies below the valence to conduction band onset, the doped layered compounds exhibit below band edge optical conductivity due to transitions from the lowest conduction band. This gives absorption in the visible for Ba2SnO4. It is important to minimize this phase in transparent conducting oxide (TCO) films. Ba3Sn2O7 and Ba4Sn3O10 have strong transitions only in the red and infrared, respectively. Thus, there may be opportunities for using these as wavelength filtering TCO.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1185812
- Journal Information:
- APL Materials, Journal Name: APL Materials Journal Issue: 1 Vol. 3; ISSN AMPADS; ISSN 2166-532X
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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