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View article: 500+ FACs Perovskite Solar Cells under Long-Term Stability Testing
500+ FACs Perovskite Solar Cells under Long-Term Stability Testing Open
The long-term stability of more than 500 FACs perovskite solar cells has been systematically investigated under various conditions. We first analyze resilience to moisture and show that with the 30 nm Al2O3 capping, we can perform long-ter…
View article: Optics for Terawatt-Scale Photovoltaics – Review and Perspectives
Optics for Terawatt-Scale Photovoltaics – Review and Perspectives Open
Photovoltaics—a mature technology—is set to play a vital role in achieving a carbon-free energy system. This article examines the pivotal role of optics in advancing photovoltaics. We identify key scientific research areas where the optics…
View article: Improving Light Outcoupling and Addressing Measurement Specifics in Perovskite Light‐Emitting Diodes with Light Management Foils
Improving Light Outcoupling and Addressing Measurement Specifics in Perovskite Light‐Emitting Diodes with Light Management Foils Open
Near‐infrared perovskite light‐emitting diodes (PeLEDs), with four perovskite (PK) layer thicknesses and optional micro‐textured light management (LM) foil, are fabricated to evaluate their effects on light outcoupling efficiency. Devices …
View article: Optics for Terawatt-Scale Photovoltaics – Review and Perspectives
Optics for Terawatt-Scale Photovoltaics – Review and Perspectives Open
Photovoltaics—a mature technology—is set to play a vital role in achieving a carbon-free energy system. This article examines the pivotal role of optics in advancing photovoltaics. We identify key scientific research areas where the optics…
View article: Optics for terawatt-scale photovoltaics: review and perspectives
Optics for terawatt-scale photovoltaics: review and perspectives Open
Photovoltaics, a mature technology, is set to play a vital role in achieving a carbon-free energy system. This article examines the pivotal role of optics in advancing photovoltaics. We identify key scientific research areas where the opti…
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: 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: 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: Perovskite/CIGS Tandem Solar Cells: From Certified 24.2% toward 30% and Beyond
Perovskite/CIGS Tandem Solar Cells: From Certified 24.2% toward 30% and Beyond Open
We demonstrate a monolithic perovskite/CIGS tandem solar cell with a certified power conversion efficiency (PCE) of 24.2%. The tandem solar cell still exhibits photocurrent mismatch between the subcells; thus optical simulations are used t…
View article: Are Perovskite Solar Cell Potential‐Induced Degradation Proof?
Are Perovskite Solar Cell Potential‐Induced Degradation Proof? Open
Potential‐induced degradation (PID) is a solar cell‐related degradation mechanism due to high potential difference in a photovoltaic (PV) module between the solar cells and its grounded frame. This type of degradation is well known for sil…
View article: Subcell Operation and Long‐Term Stability Analysis of Perovskite‐Based Tandem Solar Cells Using a Bichromatic Light Emitting Diode Light Source
Subcell Operation and Long‐Term Stability Analysis of Perovskite‐Based Tandem Solar Cells Using a Bichromatic Light Emitting Diode Light Source Open
In monolithic tandem solar cells, current−voltage (J − V) characteristics of subcells provide invaluable information about their quality and tandem operation. However, accessing the subcell J − V s is challenging and requires sophisticated…
View article: 27.9% Efficient Monolithic Perovskite/Silicon Tandem Solar Cells on Industry Compatible Bottom Cells
27.9% Efficient Monolithic Perovskite/Silicon Tandem Solar Cells on Industry Compatible Bottom Cells Open
Monolithic perovskite/silicon tandem solar cells recently surpass the efficiency of silicon single‐junction solar cells. Most tandem cells utilize >250 μm thick, planarized float‐zone (FZ) silicon, which is not compatible with commercial p…
View article: Perovskite Solar Cells go Outdoors: Field Testing and Temperature Effects on Energy Yield
Perovskite Solar Cells go Outdoors: Field Testing and Temperature Effects on Energy Yield Open
Perovskite solar cells (PSC) have shown that under laboratory conditions they can compete with established photovoltaic technologies. However, controlled laboratory measurements usually performed do not fully resemble operational condition…
View article: Monolithic Perovskite Tandem Solar Cells: A Review of the Present Status and Advanced Characterization Methods Toward 30% Efficiency
Monolithic Perovskite Tandem Solar Cells: A Review of the Present Status and Advanced Characterization Methods Toward 30% Efficiency Open
Tandem solar cells are the next step in the photovoltaic (PV) evolution due to their higher power conversion efficiency (PCE) potential than currently dominating, but inherently limited, single‐junction solar cells. With the emergence of m…
View article: Proton Radiation Hardness of Perovskite Tandem Photovoltaics
Proton Radiation Hardness of Perovskite Tandem Photovoltaics Open
Monolithic [Cs0.05(MA0. 17FA0. 83)0.95]Pb(I0.83Br0.17)3/Cu(In,Ga)Se2 (perovskite/CIGS) tandem solar cells promise high performance and can be processed on flexible substrates, enabling cost-efficient and ultra-lightweight space photovoltai…
View article: Transient Analysis during Maximum Power Point Tracking (TrAMPPT) to Assess Dynamic Response of Perovskite Solar Cells
Transient Analysis during Maximum Power Point Tracking (TrAMPPT) to Assess Dynamic Response of Perovskite Solar Cells Open
Determination of the device performance parameters of perovskite solar cells is far from trivial as transient effects may cause large discrepancies in current-voltage measurements as a function of scan rate and pre-conditioning. Maximum po…
View article: Highly efficient monolithic perovskite silicon tandem solar cells: analyzing the influence of current mismatch on device performance
Highly efficient monolithic perovskite silicon tandem solar cells: analyzing the influence of current mismatch on device performance Open
We present a highly efficient monolithic perovskite/silicon tandem solar cell and analyze the tandem performance as a function of photocurrent mismatch with important implications for future device and energy yield optimizations.
View article: Plasma-assisted atomic layer deposition of nickel oxide as hole transport layer for hybrid perovskite solar cells
Plasma-assisted atomic layer deposition of nickel oxide as hole transport layer for hybrid perovskite solar cells Open
Careful interface design and engineering are “keys” to effectively implement a conformal 10 nm plasma-assisted atomic-layer-deposited NiO film as hole transport layer in a p–i–n perovskite solar cell architecture.
View article: Cs<i><sub>x</sub></i>FA<sub>1–<i>x</i></sub>Pb(I<sub>1–<i>y</i></sub>Br<i><sub>y</sub></i>)<sub>3</sub> Perovskite Compositions: the Appearance of Wrinkled Morphology and its Impact on Solar Cell Performance
Cs<i><sub>x</sub></i>FA<sub>1–<i>x</i></sub>Pb(I<sub>1–<i>y</i></sub>Br<i><sub>y</sub></i>)<sub>3</sub> Perovskite Compositions: the Appearance of Wrinkled Morphology and its Impact on Solar Cell Performance Open
We report on the formation of wrinkle-patterned surface morphologies in cesium formamidinium-based CsxFA1–xPb(I1–yBry)3 perovskite compositions with x = 0–0.3 and y = 0–0.3 under various spin-coating conditions. By varying the Cs and Br co…
View article: Infrared photocurrent management in monolithic perovskite/silicon heterojunction tandem solar cells by using a nanocrystalline silicon oxide interlayer
Infrared photocurrent management in monolithic perovskite/silicon heterojunction tandem solar cells by using a nanocrystalline silicon oxide interlayer Open
We performed optical simulations using hydrogenated nanocrystalline silicon oxide (nc-SiOx:H) as n-doped interlayer in monolithic perovskite/c-Si heterojunction tandem solar cells. Depending on the adjustable value of its refractive index …
View article: Textured interfaces in monolithic perovskite/silicon tandem solar cells: advanced light management for improved efficiency and energy yield
Textured interfaces in monolithic perovskite/silicon tandem solar cells: advanced light management for improved efficiency and energy yield Open
25.5% efficiency is demonstrated for monolithic perovskite/silicon tandem solar cell using textured foil and the impact of texture position on performance and energy yield is simulated.
View article: Fabrication and characterization of nanotextures for light management in photovoltaic and optoelectronic devices
Fabrication and characterization of nanotextures for light management in photovoltaic and optoelectronic devices Open
Light management is an important aspect of photovoltaics to assure efficient exploitation of solar energy and improve the efficiency of solar cells. Efficient light management is based on anti-reflection and light scattering. The former re…
View article: Back- and Front-side Texturing for Light-management in Perovskite / Silicon-heterojunction Tandem Solar Cells
Back- and Front-side Texturing for Light-management in Perovskite / Silicon-heterojunction Tandem Solar Cells Open
The perovskite / silicon-heterojunction (SHJ) tandem solar cell can theoretically overcome the efficiencies of the single junction solar cells with experimental results not far behind. Here, we use optical simulations to analyze the potent…