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View article: Seasonality in Perovskite Solar Cells: Insights from 4 Years of Outdoor Data
Seasonality in Perovskite Solar Cells: Insights from 4 Years of Outdoor Data Open
Insights are reported from a 4‐year outdoor study in Berlin using encapsulated p–i–n perovskite solar cells with the structure ITO | 2PACz | Cs 0.15 FA 0.85 PbI 2.55 Br 0.45 (bandgap of 1.65 eV) | C 60 | SnO 2 | Cu. Peak summer performance…
View article: Correlation of Band Bending and Ionic Losses in 1.68 eV Wide Band Gap Perovskite Solar Cells
Correlation of Band Bending and Ionic Losses in 1.68 eV Wide Band Gap Perovskite Solar Cells Open
Perovskite solar cells (PSCs) are promising for high‐efficiency tandem applications, but their long‐term stability, particularly due to ion migration, remains a challenge. Despite progress in stabilizing PSCs, they still fall short compare…
View article: Unraveling Temperature Distribution Within Crystalline Silicon PV Modules by Different Finite Element Method‐Based Thermal Modeling Approaches
Unraveling Temperature Distribution Within Crystalline Silicon PV Modules by Different Finite Element Method‐Based Thermal Modeling Approaches Open
In this work, the steady‐state spatial temperature distribution in commercial high‐efficiency crystalline silicon PV modules is studied using different FEM‐based thermal models that encompass conductive, convective, and radiative heat tran…
View article: Performance of Triple-Cation Perovskite Solar Cells under Different Indoor Operating Conditions
Performance of Triple-Cation Perovskite Solar Cells under Different Indoor Operating Conditions Open
We systematically analyze triple-cation perovskite solar cells for indoor applications. A large number of devices with different bandgaps from 1.6 to 1.77 eV were fabricated, and their performance under 1-sun AM1.5 and indoor white light e…
View article: Reducing Voltage Loss via Dipole Tuning for Electron‐Transport in Efficient and Stable Perovskite‐Silicon Tandem Solar Cells
Reducing Voltage Loss via Dipole Tuning for Electron‐Transport in Efficient and Stable Perovskite‐Silicon Tandem Solar Cells Open
C 60 is a widely used electron selective material for p–i–n perovskite cells, however, its energy level does not match well with that of a wide‐bandgap perovskite, resulting in low open‐circuit voltage (V OC ) and fill factor ( FF ). To ov…
View article: Non-equilibrium quantum domain reconfiguration dynamics in a two-dimensional electronic crystal and a quantum annealer
Non-equilibrium quantum domain reconfiguration dynamics in a two-dimensional electronic crystal and a quantum annealer Open
Relaxation dynamics of complex many-body quantum systems trapped into metastable states is a very active field of research from both the theoretical and experimental point of view with implications in a wide array of topics from macroscopi…
View article: The Effect of Al<sub>2</sub>O<sub>3</sub> on the Performance of Perovskite Solar Cells
The Effect of Al<sub>2</sub>O<sub>3</sub> on the Performance of Perovskite Solar Cells Open
Improving the power conversion efficiency (PCE) and stability of perovskite solar cells (PSCs) remain the two most important goals of perovskite research. Herein, the effects of Al 2 O 3 interlayer on the performance of formamidinium‐cesiu…
View article: From Sunrise to Sunset: Unraveling Metastability in Perovskite Solar Cells by Coupled Outdoor Testing and Energy Yield Modelling
From Sunrise to Sunset: Unraveling Metastability in Perovskite Solar Cells by Coupled Outdoor Testing and Energy Yield Modelling Open
Perovskite‐based solar cells exhibit peculiar outdoor performance which is not yet fully understood. The results of outdoor tests may contain hidden, but valuable information that cannot be fully extracted from measurements alone. One such…
View article: Indoor Energy Harvesting With Perovskite Solar Cells for IoT Applications─A Full Year Monitoring Study
Indoor Energy Harvesting With Perovskite Solar Cells for IoT Applications─A Full Year Monitoring Study Open
Indoor photovoltaics (IPV) hold enormous market potential driven by the rising demand for perpetual energy sources to power various small electrical devices and especially Internet of things (IoT) devices. Perovskite solar cells (PSCs) off…
View article: Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization System
Ultra-Low-Power Indoor Light Harvesting and Solar Cell Characterization System Open
In this study, we present a development of a solar-powered Internet-of-Things (IoT) device, that incorporates both light energy harvesting and solar cell monitoring, which we demonstrate by long term monitoring of a single perovskite solar…
View article: Heterogenous Photonic Integration for Quantum Optical Communication
Heterogenous Photonic Integration for Quantum Optical Communication Open
Photonic integrated circuits (PICs) play an important role in telecom and datacom applications. While in the past integrated transceivers were the main driver for technological advances in integrated photonics, nowadays PICs are emerging i…
View article: Attractiveness of Photovoltaic Prosumerism in the European Electricity Market
Attractiveness of Photovoltaic Prosumerism in the European Electricity Market Open
The current energy crisis calls for a rapid transition to renewables. Solar photovoltaics (PV) is the key component of the future energy system and a majority of PV systems are installed on rooftops in Europe. This article studies the busi…
View article: Emergent false vacuum decay processes in a two-dimensional electronic crystal: experiment vs. simulations on a noisy superconducting quantum processor
Emergent false vacuum decay processes in a two-dimensional electronic crystal: experiment vs. simulations on a noisy superconducting quantum processor Open
Emergent metastability in non-equilibrium systems is a subject that touches everything from the origins of life1 to the quantum nature of the universe2. In condensed quantum matter, a good topical example is the metastability of topologica…
View article: AURORA D3.1 Report on the business models to follow-up by the different local energy communities
AURORA D3.1 Report on the business models to follow-up by the different local energy communities Open
This deliverable reports on the business models to follow-up by the different local energy communities. The local energy communities will be stablished in 5 different locations across Europe: Denmark (Aarhus University), England (Forest of…
View article: Acceleration Factors for Combined‐Accelerated Stress Testing of Photovoltaic Modules
Acceleration Factors for Combined‐Accelerated Stress Testing of Photovoltaic Modules Open
Combined‐accelerated stress testing (C‐AST) is developed to establish the durability of photovoltaic (PV) products, including for degradation modes that are not a priori known or examined in standardized tests. C‐AST aims to comprehensivel…
View article: Photovoltaics at multi-terawatt scale: Waiting is not an option
Photovoltaics at multi-terawatt scale: Waiting is not an option Open
25% annual PV growth is possible over the next decade
View article: Energy Yield Modeling for Optimization and Analysis of Perovskite‐Silicon Tandem Solar Cells Under Realistic Outdoor Conditions
Energy Yield Modeling for Optimization and Analysis of Perovskite‐Silicon Tandem Solar Cells Under Realistic Outdoor Conditions Open
A comprehensive algorithm for calculating the energy yield ( EY ) is used as the most important figure‐of‐merit in determining the capabilities of PV devices in realistic operation. The model is based on advanced optical modeling and exten…
View article: Overview of key results achieved in H2020 HighLite project helping to raise the EU PV industries' competitiveness
Overview of key results achieved in H2020 HighLite project helping to raise the EU PV industries' competitiveness Open
The EU crystalline silicon (c‐Si) PV manufacturing industry has faced strong foreign competition in the last decade. To strive in this competitive environment and differentiate itself from the competition, the EU c‐Si PV manufacturing indu…
View article: High extinction ratio and an ultra-broadband polarization beam splitter in silicon integrated photonics by employing an all-dielectric metamaterial cladding
High extinction ratio and an ultra-broadband polarization beam splitter in silicon integrated photonics by employing an all-dielectric metamaterial cladding Open
In silicon and other photonic integrated circuit platforms many devices exhibit a large polarization dependency, therefore a polarization beam splitter (PBS) is an essential building block to split optical signal to transversal electric (T…
View article: Detailed luminescence modelling in high-efficiency solar cells for precise calibration of spatially resolved characterisation methods: A bottom-up opto-electrical approach
Detailed luminescence modelling in high-efficiency solar cells for precise calibration of spatially resolved characterisation methods: A bottom-up opto-electrical approach Open
In the scope of solar cell characterisation, spatially resolved imaging (SRI) methods (EL, PL and LBIC) have long been a standard procedure for valuable in-depth evaluation and extraction of various spatially resolved material properties, …
View article: Analysis of effects of dangling-bond defects in doped a-Si:H layers in heterojunction silicon solar cells with different electron affinities of ITO contacts
Analysis of effects of dangling-bond defects in doped a-Si:H layers in heterojunction silicon solar cells with different electron affinities of ITO contacts Open
The effects of dangling-bond defects in doped hydrogenated amorphous-silicon layers (p-a-Si:H and n-a-Si:H) in heterojunction silicon (SHJ) solar cells are studied in relation to applied Indium-Tin-Oxide (ITO) contacts with different elect…