23.6% efficient low resistivity silicon concentrator solar cell

Green, M. A.; Taouk, M.; Blakers, A. W.; Narayanan, S.; Zhao, Jianhua; Campbell, P.
July 1986
Applied Physics Letters;7/28/1986, Vol. 49 Issue 4, p194
Academic Journal
Significant improvements are reported in the energy conversion efficiency of low resistivity silicon solar cells when measured under concentrated sunlight. These improvements result primarily from increased short-circuit current density due to the use of a microgrooved cell structure with obliquely transversing metallization fingers. Peak efficiencies are 23.6% at 100 suns concentration with values up to 22.7% maintained at 273 suns concentration.


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