Nano-scale Optical Spectroscopy of PV Materials: Preprint
Abstract
Presented at the 2001 NCPV Program Review Meeting: Micro-PL, solid immersion lens microscopy, and near-field microscopy characterized the low-temperature PL of PV materials and devices with sub-micron spatial resolution. A variety of novel high-spatial resolution techniques, including micro-PL, solid immersion lens microscopy and near-field microscopy have been used to characterize the low-temperature photoluminescence of photovoltaic materials and devices with sub-micron spatial resolution. The spatial variation of the energy and time-resolved photoluminescence spectra along the cleaved-edge of CdTe/CdS solar cell structures showed an enhancement in low-energy emission offset an estimated 1-2 microns from the material heterojunction for CdCl2 treated devices, concomitant with a decrease in PL decay time at the CdTe exciton peak. Substantial spatial variations in PL spectra of Cu(In,Ga)Se{sub 2} solar cells were also observed to occur on a micron length scale.
- Authors:
- Publication Date:
- Research Org.:
- National Renewable Energy Lab., Golden, CO. (US)
- Sponsoring Org.:
- US Department of Energy (US)
- OSTI Identifier:
- 15000030
- Report Number(s):
- NREL/CP-520-31009
TRN: US200325%%69
- DOE Contract Number:
- AC36-99-GO10337
- Resource Type:
- Conference
- Resource Relation:
- Conference: Presented at the NCPV Program Review Meeting, Lakewood, CO (US), 10/14/2001--10/17/2001; Other Information: PBD: 1 Oct 2001
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; DECAY; EXCITONS; HETEROJUNCTIONS; MICROSCOPY; PHOTOLUMINESCENCE; RESOLUTION; SOLAR CELLS; SPATIAL RESOLUTION; SPECTRA; SPECTROSCOPY; PV; NCPV; NANOSCALE; CDTE; CIS; MICRO-PL; HIGH-SPATIAL RESOLUTION; OPTICAL SPECTROSCOPY; SOLAR ENERGY - PHOTOVOLTAICS; SOLID STATE SPECTROSCOPY
Citation Formats
Smith, S, Dhere, R, Ramanathan, K, and Mascarenhas, A. Nano-scale Optical Spectroscopy of PV Materials: Preprint. United States: N. p., 2001.
Web.
Smith, S, Dhere, R, Ramanathan, K, & Mascarenhas, A. Nano-scale Optical Spectroscopy of PV Materials: Preprint. United States.
Smith, S, Dhere, R, Ramanathan, K, and Mascarenhas, A. 2001.
"Nano-scale Optical Spectroscopy of PV Materials: Preprint". United States. https://www.osti.gov/servlets/purl/15000030.
@article{osti_15000030,
title = {Nano-scale Optical Spectroscopy of PV Materials: Preprint},
author = {Smith, S and Dhere, R and Ramanathan, K and Mascarenhas, A},
abstractNote = {Presented at the 2001 NCPV Program Review Meeting: Micro-PL, solid immersion lens microscopy, and near-field microscopy characterized the low-temperature PL of PV materials and devices with sub-micron spatial resolution. A variety of novel high-spatial resolution techniques, including micro-PL, solid immersion lens microscopy and near-field microscopy have been used to characterize the low-temperature photoluminescence of photovoltaic materials and devices with sub-micron spatial resolution. The spatial variation of the energy and time-resolved photoluminescence spectra along the cleaved-edge of CdTe/CdS solar cell structures showed an enhancement in low-energy emission offset an estimated 1-2 microns from the material heterojunction for CdCl2 treated devices, concomitant with a decrease in PL decay time at the CdTe exciton peak. Substantial spatial variations in PL spectra of Cu(In,Ga)Se{sub 2} solar cells were also observed to occur on a micron length scale.},
doi = {},
url = {https://www.osti.gov/biblio/15000030},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Oct 01 00:00:00 EDT 2001},
month = {Mon Oct 01 00:00:00 EDT 2001}
}