Regensburg 2022 – wissenschaftliches Programm
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 1: Organic Electronics and Photovoltaics 1
CPP 1.7: Vortrag
Montag, 5. September 2022, 11:30–11:45, H38
Re-evaluation of Published Figures of Merit and Introduction of Novel figure of merit for Transparent Conducting Electrodes used in Photovoltaics — •Aman Anand1,2, Md Moidul Islam1,2, Rico Meitzner1,2, Ulrich S. Schubert1,2, and Harald Hoppe1,2 — 1Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany — 2Center for Energy and Environmental Chemistry Jena (CEEC Jena), Friedrich Schiller University Jena, Philosophenweg 7a, 07743 Jena, Germany
Transparent conductive electrodes (TCEs) are one of the important components of photovoltaic technologies. Since they are transparent and conductive, they allow light to enter the device and the photocurrent generated to be drawn into the outer electric circuit. In theory, TCEs should have the highest light transmission and conductivity. Both traits, however, must be balanced. The selection of the best TCE depends on the photovoltaic material system and is evaluated using so-called figures-of-merit (FOM). A novel and exact FOM is presented here that explicitly analyzes the impact on photovoltaic performance. This novel and exact FOM has several important properties, including i) proportionality to the solar device's potential power output, ii) normalization to the theoretically ultimately attainable photovoltaic performance, and, thus, iii) significant direction for the development of advanced TCEs. This work reassesses and compares a variety of realized state-of-the-art semitransparent electrodes.