Distribution of Local Open-Circuit Voltage on Amorphous and Nanocrystalline Mixed-Phase Si:H and SiGe:H Solar Cells (Poster)

Conference · Mon May 01 00:00:00 EDT 2006

OSTI ID:893111

Jiang, C -S; Moutinho, H R; Al-Jassim, M M; Kazmerski, L L; Yan, B; Yang, J; Guha, S

By combining SKPM and AFM, they have developed a method to measure the local V{sub oc} distribution in mixed-phase solar cells. The results clearly show the nanocrystalline aggregation. The V{sub oc} is smaller in the nanocrystalline aggregates than in the surrounding amorphous matrix, and the transition from the low to high V{sub oc} is a gradual change. Although there are some lateral charge redistributions, a clear distinction between the amorphous and nanocrystalline regions has been observed. The current SKPM results and previous C-AFM results provide extra support for the two-diode model for explaining the carrier transport in the mixed-phase solar cells.

• Research Organization: National Renewable Energy Lab. (NREL), Golden, CO (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC36-99-GO10337
• OSTI ID: 893111
• Report Number(s): NREL/PO-520-39865; TRN: US200625%%90
• Resource Relation: Conference: Prepared for the 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion (WCPEC-4), 7-12 May 2006, Waikoloa, Hawaii
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
36 MATERIALS SCIENCE
DISTRIBUTION
ENERGY CONVERSION
SOLAR CELLS
TRANSPORT
SOLAR ENERGY
PV
PHOTOVOLTAIC
AMORPHOUS
NANOCRYSTALLINE
Solar Energy - Photovoltaics