On the performance limiting behavior of defect clusters in commercial silicon solar cells

Conference · Tue Sep 01 00:00:00 EDT 1998

OSTI ID:305633

Sopori, B L; Chen, W; Jones, K ^[1]; Gee, J ^[2]

---

1. National Renewable Energy Lab., Golden, CO (United States)
2. Sandia National Labs., Albuquerque, NM (United States)

The authors report the observation of defect clusters in high-quality, commercial silicon solar cell substrates. The nature of the defect clusters, their mechanism of formation, and precipitation of metallic impurities at the defect clusters are discussed. This defect configuration influences the device performance in a unique way--by primarily degrading the voltage-related parameters. Network modeling is used to show that, in an N/P junction device, these regions act as shunts that dissipate power generated within the cell.

• Research Organization: National Renewable Energy Lab. (NREL), Golden, CO (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC36-83CH10093
• OSTI ID: 305633
• Report Number(s): NREL/TP-520-25101; CONF-980735-PROC.; ON: DE98007497; TRN: IM9906%%313
• Resource Relation: Conference: 2. world conference and exhibition on photovoltaic solar energy conversion, Vienna (Austria), 6-10 Jul 1998; Other Information: PBD: Sep 1998; Related Information: Is Part Of NCPV preprints for the 2. world conference on photovoltaic solar energy conversion; PB: 142 p.
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
SILICON SOLAR CELLS
PERFORMANCE
CRYSTAL DEFECTS
MATHEMATICAL MODELS
POWER LOSSES
PRECIPITATION