Organic solar cells protected by very thick naphthalene tetracarboxylic anhydride films

Suemori, Kouji; Miyata, Takahiro; Yokoyama, Masaaki; Hiramoto, Masahiro
December 2004
Applied Physics Letters;12/20/2004, Vol. 85 Issue 25, p6269
Academic Journal
The insertion of very thick naphthalene tetracarboxylic anhydride films under vacuum-deposited metal electrodes effectively protected pn-heterojunction organic solar cells from shorting-out electrically. Fill-factors of 0.56 and conversion efficiencies (corrected for absorbed light) of 3.07% were observed. The present technique would be a powerful tool for the fabrication of large area organic solar cells.


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