Karl Wienands

University of Freiburg — Germany

Engineering · Physical Sciences

6h-index175citations9works0.02yr avg
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Research Topics

Perovskite Materials and Applications(9), Chalcogenide Semiconductor Thin Films(8), Quantum Dots Synthesis And Properties(4), Conducting polymers and applications(2), Organic Electronics and Photovoltaics(1)

Publications9 total

Perovskite hybrid evaporation/ spin coating method: From band gap tuning to thin film deposition on textures
Thin Solid Films·2020· 43 cited
Vapor-Phase Formation of a Hole-Transporting Thiophene Polymer Layer for Evaporated Perovskite Solar Cells
ACS Applied Materials & Interfaces·2020· 20 cited
Hybrid Evaporation/Spray-Coating Process for a Simplified and Controllable Production of Perovskite Solar Cells
IEEE Journal of Photovoltaics·2019· 9 cited
The Role of Surface Passivation Layer Preparation on Crystallization and Optoelectronic Performance of Hybrid Evaporated-Spincoated Perovskite Solar Cells
IEEE Journal of Photovoltaics·2019· 5 cited
Efficiency Enhancement and Hysteresis Mitigation by Manipulation of Grain Growth Conditions in Hybrid Evaporated–Spin-coated Perovskite Solar Cells
ACS Applied Materials & Interfaces·2018· 22 cited
Detailed Investigation of Evaporated Perovskite Absorbers with High Crystal Quality on Different Substrates
ACS Applied Materials & Interfaces·2018· 54 cited
Low temperature perovskite solar cells with an evaporated TiO2 compact layer for perovskite silicon tandem solar cells
Energy Procedia·2017· 22 citedOpen Access
Towards Perovskite Silicon Tandem Solar Cells with Optimized Optical Properties
2017 IEEE 44th Photovoltaic Specialist Conference (PVSC)·2017
Monolithic Perovskite Silicon Tandem Solar Cells with Advanced Optics
2016

Frequent Co-authors

Alexander J. Bett(9), Jan Christoph Goldschmidt(9), Stefan W. Glunz(9), Patricia S. C. Schulze(8), Laura E. Mundt(6), Martin Hermle(6), Ludmila Cojocaru(4), Saeid Rafizadeh(4), Kristina Winkler(4), Paul F. Ndione(3), Martin Bivour(3), Markus Kohlstädt(3), Seunghun Lee(3), Simone Mastroianni(3), Markus Mundus(3), Uli Würfel(3), Lucio Claudio Andreani(2), Christian Reichel(2), Clemens Veit(2), Welmoed Veurman(2)