Accession Number : ADA310729

Title :   Radiation-Hard High-Efficiency InP Space Solar Cell Development. Phase 1.

Descriptive Note : Final rept. 15 May 89-31 May 91.

Corporate Author : SPIRE CORP BEDFORD MA

PDF Url : ADA310729

Report Date : JUL 1996

Pagination or Media Count : 79

Abstract : The efficiency of InP cells was improved to 19.1% AM0, using a cell fabrication process amenable to scale-up to production levels, and increasing the cell area to 4 cm2. An n+/p/p+ shallow-homojunction structure, fabricated by metalorganic chemical vapor deposition was used for this work. The emitter thickness was in the neighborhood of 30 nm, and a graded doping profile (front-surface-field) was used. Two hundred cells and two complete 20-cell panels were fabricated for space flight tests. Thermal cycling and radiation tests were carried out on these cells.

Descriptors :   *SOLAR CELLS, SPACE ENVIRONMENTS, TEST METHODS, EFFICIENCY, FABRICATION, PRODUCTION ENGINEERING, ORGANOMETALLIC COMPOUNDS, CHEMICAL VAPOR DEPOSITION, SCALING FACTOR, DOPING, INDIUM PHOSPHIDES, RADIATION HARDENING.

Subject Categories : Electric Power Production and Distribution

Distribution Statement : APPROVED FOR PUBLIC RELEASE