| الملخص: | <p>We demonstrate highly efficient small molecule organic light emitting diodes and organic solar cells based on the <em>p</em>-<em>i</em>-<em>n</em>-type structure using the fluorinated fullerene molecule C<sub>60</sub>F<sub>36</sub> as <em>p</em>-dopant in the hole transport layer. We present synthesis, chemical analysis, and energy level investigation of the dopant as well as the conductivity of organic layers consisting of a matrix of N,N,N′,N′-tetrakis 4-methoxyphenyl-benzidine(MeO-TPD) or N,N′-[(Diphenyl-N,N′-bis)9,9,-dimethyl-fluoren-2-yl]-benzidine(BF-DPB) doped by the fullerene compound. State of the art organic <em>p</em>-<em>i</em>-<em>n</em> devices containing C<sub>60</sub>F<sub>36</sub> show efficiencies comparable to devices with the commonly used <em>p</em>-dopant2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (F<sub>4</sub>-TCNQ). The advantages of the fullerene based dopant are the low volatility and high thermal stability, which is beneficial for device operation under elevated temperature. These properties make C<sub>60</sub>F<sub>36</sub> highly attractive for the usage as <em>p</em>-dopant in a broad spectrum of organic <em>p</em>-<em>i</em>-<em>n</em> devices like organic light emitting diodes, solar cells, memories, or transistors. <em>© 2011 American Institute of Physics.</em></p>
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