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Revealing the electronic energy landscape of multi-layered (opto)electronic devices

Publications

Revealing the internal luminescence quantum efficiency of perovskite films via accurate quantification of photon recycling

Author(s): Paul Fassl, Vincent Lami, Felix J. Berger, Lukas M. Falk, Jana Zaumseil, Bryce S. Richards, Ian A. Howard, Yana Vaynzof, Ulrich W. Paetzold
Published in: Matter, 4/4, 2021, Page(s) 1391-1412, ISSN 2590-2385
Publisher: Cell Press
DOI: 10.1016/j.matt.2021.01.019

Sustainability in Perovskite Solar Cells

Author(s): Katelyn P. Goetz, Alexander D. Taylor, Yvonne J. Hofstetter, Yana Vaynzof
Published in: ACS Applied Materials & Interfaces, 13/1, 2021, Page(s) 1-17, ISSN 1944-8244
Publisher: American Chemical Society
DOI: 10.1021/acsami.0c17269

Vacuum-Induced Degradation of 2D Perovskites

Author(s): Yvonne J. Hofstetter, Inés García-Benito, Fabian Paulus, Simonetta Orlandi, Giulia Grancini, Yana Vaynzof
Published in: Frontiers in Chemistry, 8, 2020, ISSN 2296-2646
Publisher: Frontiers Media S.A
DOI: 10.3389/fchem.2020.00066

Stability of Quantum Dot Solar Cells: A Matter of (Life)Time

Author(s): Miguel Albaladejo‐Siguan, Elizabeth C. Baird, David Becker‐Koch, Yanxiu Li, Andrey L. Rogach, Yana Vaynzof
Published in: Advanced Energy Materials, 11/12, 2021, Page(s) 2003457, ISSN 1614-6832
Publisher: Wiley-VCH Verlag
DOI: 10.1002/aenm.202003457

Doped Organic Hole Extraction Layers in Efficient PbS and AgBiS 2 Quantum Dot Solar Cells

Author(s): David Becker-Koch, Miguel Albaladejo-Siguan, Yvonne J. Hofstetter, Olga Solomeshch, Darius Pohl, Bernd Rellinghaus, Nir Tessler, Yana Vaynzof
Published in: ACS Applied Materials & Interfaces, 13/16, 2021, Page(s) 18750-18757, ISSN 1944-8244
Publisher: American Chemical Society
DOI: 10.1021/acsami.1c01462

Ruddlesden–Popper‐Phase Hybrid Halide Perovskite/Small‐Molecule Organic Blend Memory Transistors

Author(s): Murali Gedda, Emre Yengel, Hendrik Faber, Fabian Paulus, Joshua A. Kreß, Ming‐Chun Tang, Siyuan Zhang, Christina A. Hacker, Prashant Kumar, Dipti R. Naphade, Yana Vaynzof, George Volonakis, Feliciano Giustino, Thomas D. Anthopoulos
Published in: Advanced Materials, 33/7, 2021, Page(s) 2003137, ISSN 0935-9648
Publisher: United Nations Industrial Developement Organization
DOI: 10.1002/adma.202003137

Quantifying the Damage Induced by XPS Depth Profiling of Organic Conjugated Polymers

Author(s): Yvonne J. Hofstetter, Yana Vaynzof
Published in: ACS Applied Polymer Materials, 2019, ISSN 2637-6105
Publisher: American Chemical Society (ACS)
DOI: 10.1021/acsapm.9b00148

Effect of Ion Migration-Induced Electrode Degradation on the Operational Stability of Perovskite Solar Cells

Author(s): Boris Rivkin, Paul Fassl, Qing Sun, Alexander D. Taylor, Zhuoying Chen, Yana Vaynzof
Published in: ACS Omega, 3/8, 2018, Page(s) 10042-10047, ISSN 2470-1343
Publisher: American Chemical Society (ACS)
DOI: 10.1021/acsomega.8b01626

Fractional deviations in precursor stoichiometry dictate the properties, performance and stability of perovskite photovoltaic devices

Author(s): Paul Fassl, Vincent Lami, Alexandra Bausch, Zhiping Wang, Matthew T. Klug, Henry J. Snaith, Yana Vaynzof
Published in: Energy & Environmental Science, 11/12, 2018, Page(s) 3380-3391, ISSN 1754-5692
Publisher: Royal Society of Chemistry
DOI: 10.1039/c8ee01136b

Energy Transfer to a Stable Donor Suppresses Degradation in Organic Solar Cells

Author(s): Andreas Weu, Rhea Kumar, Julian F. Butscher, Vincent Lami, Fabian Paulus, Artem A. Bakulin, Yana Yaynzof
Published in: Advanced Functional Materials, 30/5, 2019, Page(s) 1907432, ISSN 1616-301X
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/adfm.201907432

Enhancing the Open-Circuit Voltage of Perovskite Solar Cells by Embedding Molecular Dipoles within Their Hole-Blocking Layer

Author(s): Julian F. Butscher, Sebastian Intorp, Joshua Kress, Qingzhi An, Yvonne J. Hofstetter, Nikolai Hippchen, Fabian Paulus, Uwe H. F. Bunz, Nir Tessler, Yana Vaynzof
Published in: ACS Applied Materials & Interfaces, 12/3, 2019, Page(s) 3572-3579, ISSN 1944-8244
Publisher: American Chemical Society
DOI: 10.1021/acsami.9b18757

Dipolar hole-blocking layers for inverted perovskite solar cells: effects of aggregation and electron transport levels

Author(s): Julian F Butscher, Qing Sun, Yufeng Wu, Fabian Stuck, Marvin Hoffmann, Andreas Dreuw, Fabian Paulus, A Stephen K Hashmi, Nir Tessler, Yana Vaynzof
Published in: Journal of Physics: Materials, 3/2, 2020, Page(s) 025002, ISSN 2515-7639
Publisher: IOP Publishing
DOI: 10.1088/2515-7639/ab703b

Shining Light on the Photoluminescence Properties of Metal Halide Perovskites

Author(s): Katelyn P. Goetz, Alexander D. Taylor, Fabian Paulus, Yana Vaynzof
Published in: Advanced Functional Materials, 30/23, 2020, Page(s) 1910004, ISSN 1616-301X
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/adfm.201910004

Ligand dependent oxidation dictates the performance evolution of high efficiency PbS quantum dot solar cells

Author(s): David Becker-Koch, Miguel Albaladejo-Siguan, Vincent Lami, Fabian Paulus, Hengyang Xiang, Zhuoying Chen, Yana Vaynzof
Published in: Sustainable Energy & Fuels, 4/1, 2020, Page(s) 108-115, ISSN 2398-4902
Publisher: RSC
DOI: 10.1039/c9se00602h

Insights from Device Modeling of Perovskite Solar Cells

Author(s): Nir Tessler, Yana Vaynzof
Published in: ACS Energy Letters, 5/4, 2020, Page(s) 1260-1270, ISSN 2380-8195
Publisher: ACS
DOI: 10.1021/acsenergylett.0c00172

Effect of Precursor Stoichiometry on the Performance and Stability of MAPbBr 3 Photovoltaic Devices

Author(s): Lukas M. Falk, Katelyn P. Goetz, Vincent Lami, Qingzhi An, Paul Fassl, Jonas Herkel, Fabian Thome, Alexander D. Taylor, Fabian Paulus, Yana Vaynzof
Published in: Energy Technology, 8/4, 2020, Page(s) 1900737, ISSN 2194-4288
Publisher: Wiley
DOI: 10.1002/ente.201900737

Tuning Spin Current Injection at Ferromagnet-Nonmagnet Interfaces by Molecular Design

Author(s): Angela Wittmann, Guillaume Schweicher, Katharina Broch, Jiri Novak, Vincent Lami, David Cornil, Erik R. McNellis, Olga Zadvorna, Deepak Venkateshvaran, Kazuo Takimiya, Yves H. Geerts, Jérôme Cornil, Yana Vaynzof, Jairo Sinova, Shun Watanabe, Henning Sirringhaus
Published in: Physical Review Letters, 124/2, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.124.027204

Sequentially Deposited versus Conventional Nonfullerene Organic Solar Cells: Interfacial Trap States, Vertical Stratification, and Exciton Dissociation

Author(s): Jiangbin Zhang, Moritz H. Futscher, Vincent Lami, Felix U. Kosasih, Changsoon Cho, Qinying Gu, Aditya Sadhanala, Andrew J. Pearson, Bin Kan, Giorgio Divitini, Xiangjian Wan, Dan Credgington, Neil C. Greenham, Yongsheng Chen, Caterina Ducati, Bruno Ehrler, Yana Vaynzof, Richard H. Friend, Artem A. Bakulin
Published in: Advanced Energy Materials, 9/47, 2019, Page(s) 1902145, ISSN 1614-6832
Publisher: Wiley-VCH Verlag
DOI: 10.1002/aenm.201902145

Efficient and Stable PbS Quantum Dot Solar Cells by Triple-Cation Perovskite Passivation

Author(s): Miguel Albaladejo-Siguan, David Becker-Koch, Alexander D. Taylor, Qing Sun, Vincent Lami, Pola Goldberg Oppenheimer, Fabian Paulus, Yana Vaynzof
Published in: ACS Nano, 14/1, 2020, Page(s) 384-393, ISSN 1936-0851
Publisher: American Chemical Society
DOI: 10.1021/acsnano.9b05848

Visualizing the Vertical Energetic Landscape in Organic Photovoltaics

Author(s): Vincent Lami, Andreas Weu, Jiangbin Zhang, Yongsheng Chen, Zhuping Fei, Martin Heeney, Richard H. Friend, Yana Vaynzof
Published in: Joule, 3/10, 2019, Page(s) 2513-2534, ISSN 2542-4351
Publisher: Cell Press (Elsevier)
DOI: 10.1016/j.joule.2019.06.018

Enhancing the Open‐Circuit Voltage of Perovskite Solar Cells by up to 120 mV Using π‐Extended Phosphoniumfluorene Electrolytes as Hole Blocking Layers

Author(s): Qingzhi An, Qing Sun, Andreas Weu, David Becker‐Koch, Fabian Paulus, Sebastian Arndt, Fabian Stuck, A. Stephen K. Hashmi, Nir Tessler, Yana Vaynzof
Published in: Advanced Energy Materials, 9/33, 2019, Page(s) 1901257, ISSN 1614-6832
Publisher: Wiley-VCH Verlag
DOI: 10.1002/aenm.201901257

Energy Level Alignment in Ternary Organic Solar Cells

Author(s): Vincent Lami, Yvonne J. Hofstetter, Julian F. Butscher, Yana Vaynzof
Published in: Advanced Electronic Materials, 6/8, 2020, Page(s) 2000213, ISSN 2199-160X
Publisher: Wiley
DOI: 10.1002/aelm.202000213

Probing the ionic defect landscape in halide perovskite solar cells

Author(s): Sebastian Reichert, Qingzhi An, Young-Won Woo, Aron Walsh, Yana Vaynzof, Carsten Deibel
Published in: Nature Communications, 11/1, 2020, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-020-19769-8

Small grains as recombination hot spots in perovskite solar cells

Author(s): Qingzhi An, Fabian Paulus, David Becker-Koch, Changsoon Cho, Qing Sun, Andreas Weu, Sapir Bitton, Nir Tessler, Yana Vaynzof
Published in: Matter, 2021, ISSN 2590-2385
Publisher: Cell Press
DOI: 10.1016/j.matt.2021.02.020

2D/3D perovskite engineering eliminates interfacial recombination losses in hybrid perovskite solar cells

Author(s): Albertus A. Sutanto, Pietro Caprioglio, Nikita Drigo, Yvonne J. Hofstetter, Ines Garcia-Benito, Valentin I.E. Queloz, Dieter Neher, Mohammad Khaja Nazeeruddin, Martin Stolterfoht, Yana Vaynzof, Giulia Grancini
Published in: Chem, 2021, ISSN 2451-9294
Publisher: Cell Press
DOI: 10.1016/j.chempr.2021.04.002

Controlling the Microstructure and Porosity of Perovskite Films by Additive Engineering

Author(s): Qingzhi An, Fabian Paulus, Yana Vaynzof
Published in: ACS Applied Energy Materials, 4/4, 2021, Page(s) 2990-2998, ISSN 2574-0962
Publisher: American Chemical Society
DOI: 10.1021/acsaem.0c01550

The Future of Perovskite Photovoltaics—Thermal Evaporation or Solution Processing?

Author(s): Yana Vaynzof
Published in: Advanced Energy Materials, 10/48, 2020, Page(s) 2003073, ISSN 1614-6832
Publisher: Wiley-VCH Verlag
DOI: 10.1002/aenm.202003073

A general approach to high-efficiency perovskite solar cells by any antisolvent

Author(s): Alexander D. Taylor, Qing Sun, Katelyn P. Goetz, Qingzhi An, Tim Schramm, Yvonne Hofstetter, Maximillian Litterst, Fabian Paulus, Yana Vaynzof
Published in: Nature Communications, 12/1, 2021, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-021-22049-8

Datasets

Research data supporting "Sequentially Deposited versus Conventional Nonfullerene Organic Solar Cells: Interfacial Trap States, Vertical Stratification, and Exciton Dissociation"

Author(s): Zhang, Jiangbin; Futscher, Moritz; Lami, Vincent; Kosasih, Felix; Cho, Changsoon; Gu, Qinying; Sadhanala, Aditya; Pearson, Andrew; Kan, Bin; Divitini, Giorgio; Wan, Xiangjian; Credgington, Dan; Greenham, Neil; Chen, Yongsheng; Ducati, Caterina; Ehrler, Bruno; Vaynzof, Yana; Friend, Richard; Bakulin, Artem