Andreas Opitz

TL;DR: It is demonstrated that fundamentally different processes can occur in the two types of organic semiconductors instead of ground-state integer charge transfer as the basic mechanism of molecular electrical doping in both, conjugated polymers and oligomers.

TL;DR: By systematically varying the acceptor strength it was possible to discriminate the two models of molecular doping, suggesting strategies for the chemical design of more efficient molecular dopants.

TL;DR: In this article, small-molecule photovoltaic cells using diindenoperylene (DIP) as a new donor material in combination with the fullerene C 60 as an electron acceptor are demonstrated.

TL;DR: In this paper, the long-chain alkane tetratetracontane (TTC) was used as a passivation layer on top of silicon dioxide for charge transfer in organic field-effect transistors.

TL;DR: In this article, the authors investigated different parameters influencing the occurrence of s-shaped current voltage (j-V) characteristics in planar heterojunction organic solar cells and found that the main effect of substrate heating during film growth can be assigned to changes in energy barriers rather than to the modification of morphology and crystallinity, which is also influenced by elevated substrate temperatures.