DENDRITIC SILICON SOLAR CELL OPTIMIZATION AND FABRICATION.

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Abstract:

This report describes the research and development work to optimize and fabricate dendritic silicon solar cells in the areas related to weight reduction, physical and electrical characteristics, and radiation resistance. A total of 970 diffused standard cells and 901 epitaxial drift field cells of 1 by 30.5 cm size were fabricated. The efficiency range of the standard cells was 9.0 to 13.3 percent with a mean of 10.5 percent, and the range of the drift field cells was 9.0 to 12.7 percent with a mean of 10.6 percent. The cell efficiencies are based on tungsten 100 mwsq cm. Physical and electrical properties based on typical cell characteristics related to illumination intensity, spectral response, temperature, and radiation resistance are given. Process specifications for cell fabrication are included. Integral quartz coatings of at least .001 inch thickness were evaluated and are discussed briefly.

Author(s):
Merritts, T. D. ; Ernick, N. ; Ichikawa, Y.
Author Organization(s):
WESTINGHOUSE ELECTRIC CORP YOUNGWOOD PA SEMICONDUCTOR DIV
Descriptive Note:
Final rept. 2 Aug 65-14 Apr 67,
Pagination:
0042

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
AFAPL-TR-67-101
Contract/Grant Number(s):
AF 33(615)-3223
Task Number(s):
817301
Project Number(s):
AF-8173
Monitor Series:
TR-67-101
 Subject Terms
Communities of Interest:
Materials and Manufacturing Processes
Descriptor(s):
*SILICON), (*SOLAR CELLS, (*DENDRITIC STRUCTURE, SOLAR CELLS), WEIGHT, REDUCTION, TUNGSTEN, SPECIFICATIONS, THICKNESS, INTENSITY, TEMPERATURE, DIFFUSION, EPITAXIAL GROWTH, SUBSTRATES, DAMAGE, RADIATION EFFECTS, SPECTROPHOTOMETERS, SPUTTERING, OPTIMIZATION, COATINGS, QUARTZ, SILVER COMPOUNDS, TITANIUM
Field(s)/Group(s):
Electric Power Production and Distribution
Report Date:
1967 Oct 01