Dresden 2020 – scientific programme
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 86: Organic Electronics and Photovoltaics III
CPP 86.1: Talk
Thursday, March 19, 2020, 09:30–09:45, ZEU 260
Fast Processing of Charge Transport Layers in Organic Solar Cells — •Harald Hoppe1,2, Shahidul Alam1,2, Aman Anand1,2, Aurelien Sokeng Djourmessi1,2, Jose Prince Madalaimuthu1,2, Peter Fischer4, and Ulrich S. Schubert1,2,3 — 1Center for Energy and Environmental Chemistry Jena (CEEC Jena), Friedrich Schiller University, Jena, Germany — 2Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University, Jena, Germany — 3Jena Center for Soft Matter (JCSM), Friedrich Schiller University, Jena, Germany — 4Faculty of Mechanical Engineering, Ilmenau University of Technology, Ilmenau, Germany
Charge transport layers (CTLs) are very important in organic solar cells to allow for an efficient and selective extraction of photogenerated charge carriers. Upon their optimization important photovoltaic parameters such as fill factors are being directly affected, for example since the series resistance and parallel resistance are often improved in combination with each other, when the contact becomes more selective. Unfortunately, CTLs often require an additional and rather intensive annealing process, which will add to the energy investment to such solar cells. In addition, such annealing processes may often either require too high temperatures to be compatible with flexible substrates or may be too time-consuming for fast web speeds. As one solution, we demonstrate the successful application of flash sintering for the annealing of CTLs.