Personne
Tor Jesper Jacobsson
Cette personne n’est plus à l’EPFL
Publications associées (16)
Device Performance of Emerging Photovoltaic Materials (Version 4)
Mohammad Khaja Nazeeruddin, Fei Guo, Tor Jesper Jacobsson
Following the 3rd release of the "Emerging PV reports", the best achievements in the performance of emerging photovoltaic (e-PV) devices in diverse e-PV research subjects are summarized, as reported in peer-reviewed articles in academic journals since Augu ...
Weinheim2023Rationalizing Performance Losses of Wide Bandgap Perovskite Solar Cells Evident in Data from the Perovskite Database
Christian Michael Wolff, Tor Jesper Jacobsson
Metal halide perovskites (MHPs) have become a widely studied class of semiconductors for various optoelectronic devices. The possibility to tune their bandgap (E-g) over a broad spectral range from 1.2 eV to 3 eV by compositional engineering makes them par ...
Weinheim2023Device Performance of Emerging Photovoltaic Materials (Version 1)
Mohammad Khaja Nazeeruddin, Fei Guo, Henry Snaith, Tor Jesper Jacobsson
Emerging photovoltaics (PVs) focus on a variety of applications complementing large scale electricity generation. Organic, dye-sensitized, and some perovskite solar cells are considered in building integration, greenhouses, wearable, and indoor application ...
WILEY-V C H VERLAG GMBH2020Photon Energy-Dependent Hysteresis Effects in Lead Halide Perovskite Materials
Ulf Anders Hagfeldt, Silver Hamill Turren Cruz, Tor Jesper Jacobsson
Lead halide perovskites have a range of spectacular properties and interesting phenomena and are a serious candidate for the next generation of photovoltaics with high efficiencies and low fabrication costs. An interesting phenomenon is the anomalous hyste ...
American Chemical Society2017The rapid evolution of highly efficient perovskite solar cells
Wolfgang Richard Tress, Ulf Anders Hagfeldt, Michael Saliba, Antonio Abate, Juan-Pablo Correa-Baena, Tor Jesper Jacobsson
Perovskite solar cells (PSCs) have attracted much attention because of their rapid rise to 22% efficiencies. Here, we review the rapid evolution of PSCs as they enter a new phase that could revolutionize the photovoltaic industry. In particular, we describ ...
Royal Society of Chemistry2017Photoinduced Stark Effects and Mechanism of Ion Displacement in Perovskite Solar Cell Materials
Ulf Anders Hagfeldt, Tor Jesper Jacobsson
Organometallic halide perovskites (OMHPs) have recently emerged as a promising class of materials in photovoltaic technology. Here, we present an in-depth investigation of the physics in these systems by measuring the photoinduced absorption (PIA) in OMHPs ...
Amer Chemical Soc2017Valence Level Character in a Mixed Perovskite Material and Determination of the Valence Band Maximum from Photoelectron Spectroscopy: Variation with Photon Energy
Ulf Anders Hagfeldt, Juan-Pablo Correa-Baena, Tor Jesper Jacobsson
A better understanding of the electronic structure of perovskite materials used in photovoltaic devices is essential for their development and optimization. In this investigation, synchrotron-based photoelectron spectroscopy (PES) was used to experimentall ...
American Chemical Society2017Exploration of the compositional space for mixed lead halogen perovskites for high efficiency solar cells
Kurt Schenk, Ulf Anders Hagfeldt, Michael Saliba, Tor Jesper Jacobsson
Lead halide perovskites have attracted considerable interest as photoabsorbers in PV-applications over the last few years. The most studied perovskite material achieving high photovoltaic performance has been methyl ammonium lead iodide, CH3NH3PbI3. Recent ...
Royal Society of Chemistry2016Effect of metal cation replacement on the electronic structure of metalorganic halide perovskites: Replacement of lead with alkaline-earth metals
Ulf Anders Hagfeldt, Tor Jesper Jacobsson
Organic and inorganic lead halogen perovskites, and in particular, CH3NH3PbI3, have during the last years emerged as a class of highly efficient solar cell materials. Herein we introduce metalorganic halogen perovskite materials for energy-relevant applica ...
Amer Physical Soc2016Room Temperature as a Goldilocks Environment for CH3NH3PbI3 Perovskite Solar Cells: The Importance of Temperature on Device Performance
Wolfgang Richard Tress, Ulf Anders Hagfeldt, Juan-Pablo Correa-Baena, Tor Jesper Jacobsson
Terrestrial applications of solar cells during day-night cycling as well as operation in winter and summer involve substantial temperature variations, which influence the photophysics as well as the charge separation and transport properties in the various ...
American Chemical Society2016