972 citations · 1.3k across the 12 of their papers we have counts for
12 papers
The Potential of Geminate Pairs in Lead Halide Perovskite revealed via Time-resolved Photoluminescence
Hannes Hempel, Martin Stolterfoht, Orestis Karalis +1
Photoluminescence (PL) under continuous illumination is commonly employed to assess voltage losses in solar energy conversion materials. However, the early temporal evolution of th…
Enhanced Electron Extraction in Co-Doped TiO2 Quantified by Drift-Diffusion Simulation for Stable CsPbI3 Solar Cells
Thomas W. Gries, Davide Regaldo, Hans Koebler +22
Solar cells based on inorganic perovskite CsPbI3 are promising candidates to resolve the challenge of operational stability in the field of perovskite photovoltaics. For stable ope…
Interface Modification for Energy Levels Alignment and Charge Extraction in CsPbI Perovskite Solar Cells
Zafar Iqbal, Fengshuo Zu, Artem Musiienko +12
In perovskite solar cells (PSCs) energy levels alignment and charge extraction at the interfaces are the essential factors directly affecting the device performance. In this work,…
Effects of Quantum and Dielectric Confinement on the Emission of Cs-Pb-Br Composites
Sebastián Caicedo-Dávila, Pietro Caprioglio, Frederike Lehmann +5
The halide perovskite CsPbBr belongs to the Cs-Pb-Br material system, which features two additional thermodynamically stable ternary phases, CsPbBr and CsPbBr.…
High-Performance Flexible All-Perovskite Tandem Solar Cells with Reduced VOC-Deficit in Wide-Bandgap Subcell
Huagui Lai, Jincheng Luo, Yannick Zwirner +22
Among various types of perovskite-based tandem solar cells (TSCs), all-perovskite TSCs are of particular attractiveness for building- and vehicle-integrated photovoltaics, or space…
Understanding and Minimizing Losses in All-Perovskite Tandem Photovoltaics
Jarla Thiesbrummel, Francisco Peña-Camargo, Kai Oliver Brinkmann +9
All-perovskite tandem solar cells promise high photovoltaic performance at low cost. So far however, their efficiencies cannot compete with traditional inorganic multi-junction sol…
Revealing the doping density in perovskite solar cells and its impact on device performance
Francisco Peña-Camargo, Jarla Thiesbrummel, Hannes Hempel +8
Traditional inorganic semiconductors can be electronically doped with high precision. Conversely, there is still conjecture regarding the assessment of the electronic doping densit…
Pathways towards 30% efficient single-junction perovskite solar cells and the role of mobile ions
Jonas Diekmann, Pietro Caprioglio, Moritz H. Futscher +13
Perovskite semiconductors have demonstrated outstanding external luminescence quantum yields, enabling high power conversion efficiencies (PCE). However, the precise conditions to…
High Open Circuit Voltages in pin-Type Perovskite Solar Cells through Strontium Addition
Pietro Caprioglio, Fengshuo Zu, Christian M. Wolff +7
The incorporation of even small amounts of strontium (Sr) into lead-based quadruple cation hybrid perovskite solar cells results in a systematic increase of the open circuit voltag…
The perovskite/transport layer interfaces dominate non-radiative recombination in efficient perovskite solar cells
Martin Stolterfoht, Pietro Caprioglio, Christian M. Wolff +12
Charge transport layers (CTLs) are key components of diffusion controlled perovskite solar cells, however, they can induce additional non-radiative recombination pathways which lim…
Molecular weight dependent bimolecular recombination in organic solar cells
Bronson Philippa, Martin Stolterfoht, Ronald D. White +4
Charge carrier recombination is studied in operational organic solar cells made from the polymer:fullerene system PCDTBT:PC71BM (poly[N-9"-heptadecanyl-2,7-carbazole-alt-5,5-(4',7'…
The impact of hot charge carrier mobility on photocurrent losses in polymer-based solar cells
Bronson Philippa, Martin Stolterfoht, Paul L. Burn +4
A typical signature of charge extraction in disordered organic systems is dispersive transport, which implies a distribution of charge carrier mobilities that negatively impact on…