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Consensus statement for stability assessment and reporting for perovskite photovoltaics based on ISOS procedures

Nature Energy Springer Nature 5:1 (2020) 35-49

Authors:

Mark V Khenkin, Eugene A Katz, Antonio Abate, Giorgio Bardizza, Joseph J Berry, Christoph Brabec, Francesca Brunetti, Vladimir Bulović, Quinn Burlingame, Aldo Di Carlo, Rongrong Cheacharoen, Yi-Bing Cheng, Alexander Colsmann, Stephane Cros, Konrad Domanski, Michał Dusza, Christopher J Fell, Stephen R Forrest, Yulia Galagan, Diego Di Girolamo, Michael Grätzel, Anders Hagfeldt, Elizabeth von Hauff, Harald Hoppe, Jeff Kettle, Hans Köbler, Marina S Leite, Shengzhong Frank Liu, Yueh-Lin Loo, Joseph M Luther, Chang-Qi Ma, Morten Madsen, Matthieu Manceau, Muriel Matheron, Michael McGehee, Rico Meitzner, Mohammad Khaja Nazeeruddin, Ana Flavia Nogueira, Çağla Odabaşı, Anna Osherov, Nam-Gyu Park, Matthew O Reese, Francesca De Rossi, Michael Saliba, Ulrich S Schubert, Henry J Snaith, Samuel D Stranks, Wolfgang Tress, Pavel A Troshin, Vida Turkovic, Sjoerd Veenstra, Iris Visoly-Fisher, Aron Walsh, Trystan Watson, Haibing Xie, Ramazan Yıldırım, Shaik Mohammed Zakeeruddin, Kai Zhu, Monica Lira-Cantu
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Development of a beam imaging system for the European spallation source tuning dump

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment Elsevier 950 (2020) 162790

Authors:

MG Ibison, CP Welsch, E Adli, H Gjersdal, G Christoforo, T Shea, C Thomas, D Naeem
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Elucidating the Role of a Tetrafluoroborate‐Based Ionic Liquid at the n‐Type Oxide/Perovskite Interface

Advanced Energy Materials Wiley 10:4 (2020)

Authors:

Nakita K Noel, Severin N Habisreutinger, Bernard Wenger, Yen‐Hung Lin, Fengyu Zhang, Jay B Patel, Antoine Kahn, Michael B Johnston, Henry J Snaith
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Strong Performance Enhancement in Lead-Halide Perovskite Solar Cells through Rapid, Atmospheric Deposition of n-type Buffer Layer Oxides

(2019)

Authors:

Ravi D Raninga, Robert A Jagt, Solène Béchu, Tahmida N Huq, Mark Nikolka, Yen-Hung Lin, Mengyao Sun, Zewei Li, Wen Li, Muriel Bouttemy, Mathieu Frégnaux, Henry J Snaith, Philip Schulz, Judith L MacManus-Driscoll, Robert LZ Hoye
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Revealing the stoichiometric tolerance of lead trihalide perovskite thin films

Chemistry of Materials American Chemical Society 32:1 (2019) 114-120

Authors:

Alexandra J Ramadan, M Ralaiarisoa, F Zu, LA Rochford, Bernard Wenger, N Koch, Henry J Snaith

Abstract:

The relationship between the chemical composition of lead halide perovskite materials and their crystal and electronic structure is not yet sufficiently understood, despite its fundamental importance. Here, we determine the crystal and electronic structure of cesium lead bromide (CsPbBr3) while deliberately varying the cesium content. At substoichiometric concentrations of cesium, there are large variations in the frontier electronic structure of CsPbBr3 with only small variations in Cs content. We observe a critical point after which large variations in the chemical composition of CsPbBr3 result in comparably small changes in valence and conduction band energies. This behavior is starkly different from that of traditional semiconductors, such as InGaAs and GaInP, and demonstrates an impressive energetic tolerance of CsPbBr3 to large changes in its stoichiometry. This observation helps us to understand why a broad range of relatively uncontrolled, simple processing methodologies can deliver highly functional metal halide perovskite thin films.
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