Title :
18-percent efficient terrestrial silicon solar cells
Author :
Blakers, A.W. ; Green, M.A. ; Jiqun, S. ; Keller, E.M. ; Wenham, S.R. ; Godfrey, R.B. ; Szpitalak, T. ; Willison, M.R.
Author_Institution :
University of New South Wales, Kensington, Australia
fDate :
1/1/1984 12:00:00 AM
Abstract :
Silicon solar cells are described which operate at energy conversion efficiencies in excess of 18 percent under standard terrestrial test conditions (AM1.5, 100 mW/cm2, 28°C). These are believed to be the most efficient silicon cells reported to date. The high efficiency is a result of the combination of high open-circuit voltage due to the careful attention paid to passivation of the top surface of the cell; high fill factors due to the high open-circuit voltage and low parasitic resistance losses; and high short-circuit current due to the use of shallow diffusions, a low grid coverage, and an optimized double-layer antireflection coating.
Keywords :
Coatings; Metal-insulator structures; Metallization; Nonhomogeneous media; Passivation; Performance loss; Photovoltaic cells; Silicon; Surface resistance; Voltage;
Journal_Title :
Electron Device Letters, IEEE
DOI :
10.1109/EDL.1984.25813