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Gregor Trimmel

Researcher at Graz University of Technology

Publications -  200
Citations -  5449

Gregor Trimmel is an academic researcher from Graz University of Technology. The author has contributed to research in topics: Polymer & Ring-opening metathesis polymerisation. The author has an hindex of 33, co-authored 183 publications receiving 4724 citations. Previous affiliations of Gregor Trimmel include University of Vienna & Vienna University of Technology.

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Consensus stability testing protocols for organic photovoltaic materials and devices

TL;DR: Procedures for testing organic solar cell devices and modules with respect to stability and operational lifetime are described and generally agreed test conditions and practices are generally agreed to allow ready comparison between laboratories and to help improving the reliability of reported values.
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Progress on lead-free metal halide perovskites for photovoltaic applications: a review

TL;DR: Tin-based perovskites turned out to be most promising in terms of power conversion efficiency; however, also the toxicity of these tin-based Perovskite compounds is argued.
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Systematic Structural Characterization of the High-Temperature Behavior of Nearly Stoichiometric Silicon Oxycarbide Glasses

TL;DR: In this paper, three silicon oxycarbide glasses (SiCO) with increasing C content were obtained through pyrolysis in inert atmosphere at 1000 °C of sol−gel derived siloxane networks containing Si−CH3 and Si−H bonds.
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Enhanced Performance of Germanium Halide Perovskite Solar Cells through Compositional Engineering

TL;DR: In this paper, the authors showed that modifying the chemical composition of the germanium perovskite, i.e., introducing bromide ions into the methylammonium Germanium iodide perovsite, leads to a significant improvement of the solar cell performance along with a slight enhancement of the stability of the device, achieving power conversion efficiencies up to 057% in MAGeI27Br03 based solar cells with a planar p-i-n architecture using PEDOT:PSS as hole and PC70BM as electron
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An inter-laboratory stability study of roll-to-roll coated flexible polymer solar modules

TL;DR: In this article, a large number of flexible polymer solar modules comprising 16 serially connected individual cells was prepared at the experimental workshop at Riso DTU and the functional devices were subjected to an inter-laboratory study involving the performance and the stability of modules over time in the dark, under light soaking and outdoor conditions.