期刊
APPLIED PHYSICS LETTERS
卷 80, 期 7, 页码 1288-1290出版社
AMER INST PHYSICS
DOI: 10.1063/1.1446988
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The insertion of thin interlayers of LiF under the negative metal electrode (Al and Au) of bulk heterojunction solar cells significantly enhances the fill factor and stabilizes high open circuit voltages. Compared to devices without the LiF interfacial layer, the white light efficiencies increase by over 20% up to eta(eff)similar to3.3%. Substitution of the LiF by another insulating interlayer SiOx results in lower overall efficiencies. In the case of a LiF/Au electrode, substantial efficiency enhancement is observed compared to a pristine Au electrode and white light efficiencies up to eta(eff)similar to2.3% are reported. (C) 2002 American Institute of Physics.
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