Journal
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
Volume 215, Issue 14, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssa.201800133
Keywords
CH3NH3PbI3; surface photovoltage; trap states; ultrasonically sprayed-on based technique
Funding
- EGAT-NSTDA [P-15-50560]
- Thailand Research Fund [MRG 5980035]
- Kasetsart University Research and Development Institute [P-3.2 (D) 228.61]
- King Mongkut's University of Technology Thonburi through the KMUTT 55th Anniversary Commemorative Fund
Ask authors/readers for more resources
A simple deposition process for preparing crystalline semiconductors with low degrees of disorder is of paramount interest for both device applications and research investigations. This study centers on the ultrasonically sprayed-aerosol based approach for preparing crystals of methylammonium lead trihalide perovskite (CH3NH3PbI3). The surface photovoltage (SPV) spectra are found to depend strongly on the preparation conditions, with the SPV signals (below the material's band gap) providing information on the defect states. The measured values of tail states near the band gap (E-t) are found to be about 21 and 52meV for the CH3NH3PbI3 crystals prepared by the ultrasonically sprayed-on and spun casting approaches, respectively.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available
Share Paper
