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Uli Würfel (1971-)

Physiker

Name	Uli Würfel
Time	1971- (Date of birth and death)
Place	Karlsruhe (Geburtsort) Deutschland
Gender	männlich
Academic degree	Dr.
Profession	Physiker (characteristic profession)
Variant	Uli T. Würfel
Related	Fraunhofer-Institut für System- und Innovationsforschung Physik (Freiburg u. Heidelberg) (Studienfach)
Further information	tätig am Fraunhofer-Institut für Solare Energiesysteme ISE, Freiburg
Source	Internet: https://www.ise.fraunhofer.de/de/geschaeftsfelder/photovoltaik/neuartige-photovoltaik-technologien.html (Stand: 12.08.2016)
Record type	Person
GND-Identifier	1111111650
Record ID	1111111650
Involved in show all Dielectric Bragg Reflector as Back Electrode for Semi‐Transparent Organic Solar Cells with an Average Visible Transparency of 52% Side Connection for High‐Efficiency Organic Photovoltaic Modules for Indoor Applications: Shunt Reduction and Performance Improvement Energy Harvesting and Storage with a High Voltage Organic Inorganic Photo‐Battery for Internet of Things Applications A universal ligand for lead coordination and tailored crystal growth in perovskite solar cells Dielectric bragg reflector as back electrode for semi‐transparent organic solar cells with an average visible transparency of 52% Energy harvesting and storage with a high voltage organic inorganic photo‐battery for internet of things applications Over 1000 V DC voltage from organic solar mini-modules Phenothiazine‐based donor–acceptor polymers as multifunctional materials for charge storage and solar energy conversion Remanufacturing perovskite solar cells and modules – a holistic case study Rethinking electrochemical deposition of nickel oxide for photovoltaic applications Side connection for high‐efficiency organic photovoltaic modules for indoor applications: shunt reduction and performance improvement Ultra‐stable ITO‐free organic solar cells and modules processed from non‐halogenated solvents under indoor illumination Unraveling the Energetic Landscape of Perovskite Solar Cells: A Synergy of 2D Drift‐Diffusion Simulations and Tapered Cross‐Section Photoelectron Spectroscopy Rethinking Electrochemical Deposition of Nickel Oxide for Photovoltaic Applications Organic Solar Cell with an Active Area > 1 cm 2 Achieving 15.8% Certified Efficiency using Optimized VIS‐NIR Antireflection Coating Ultra‐Stable ITO‐Free Organic Solar Cells and Modules Processed from Non‐Halogenated Solvents under Indoor Illumination Surface Modification of ITO with N‐Heterocyclic Carbene Precursors Results in Electron Selective Contacts in Organic Photovoltaic Devices Improved Light Utilization Efficiency for an ITO‐Free Semitransparent Organic Solar Cell Using a Multilayer Silver Back Electrode as Infrared Mirror Unraveling the Energetic Landscape of Perovskite Solar Cells: A Synergy of 2D Drift‐Diffusion Simulations and Tapered Cross‐Section Photoelectron Spectroscopy Determination of Free Charge Carrier Luminescence and Quasi‐Fermi Level Separation in Organic Solar Cells via Transient Photoluminescence Measurements Organic Solar Cell with an Active Area > 1 cm 2 Achieving 15.8% Certified Efficiency using Optimized VIS‐NIR Antireflection Coating Determination of free charge carrier luminescence and quasi‐fermi level separation in organic solar cells via transient photoluminescence measurements Improved light utilization efficiency for an ITO‐free semitransparent organic solar cell using a multilayer silver back electrode as infrared mirror Organic photo-battery with high operating voltage using a multi-junction organic solar cell and an organic redox-polymer-based battery Organic solar cell with an active area >1 cm2 achieving 15.8% certified efficiency using pptimized VIS‐NIR antireflection coating Surface modification of ITO with N‐heterocyclic carbene precursors results in electron selective contacts in organic photovoltaic devices Unraveling the energetic landscape of Perovskite solar cells: a synergy of 2D drift‐diffusion simulations and tapered cross‐section photoelectron spectroscopy Phenothiazine‐Based Donor–Acceptor Polymers as Multifunctional Materials for Charge Storage and Solar Energy Conversion A New Figure of Merit for Solar Charging Systems: Case Study for Monolithically Integrated Photosupercapacitors Composed of a Large‐Area Organic Solar Cell and a Carbon Double‐Layer Capacitor Direct Determination of the Steady State and Time‐Resolved Quasi‐Fermi Level Separation in Organic Solar Cells from Electroluminescence Measurements Employing 2D‐Perovskite as an Electron Blocking Layer in Highly Efficient (18.5%) Perovskite Solar Cells with Printable Low Temperature Carbon Electrode ITO‐Free Indoor OPV Modules from Nonhalogenated Solvents Toward Understanding the Short‐Circuit Current Loss in Perovskite Solar Cells with 2D Passivation Layers Perovskite Solar Cells with Carbon‐Based Electrodes – Quantification of Losses and Strategies to Overcome Them A new figure of merit for solar charging systems: case study for monolithically integrated photosupercapacitors composed of a large‐area organic solar cell and a carbon double‐layer capacitor Advanced characterization of ionic motion effects in perovskite solar cells Decoupling of implied and external VOC due to ionic movement explaining transient VOC overshoot in perovskite solar cells Direct determination of the steady state and time‐resolved quasi‐fermi level separation in organic solar cells from electroluminescence measurements Employing 2D‐perovskite as an electron blocking layer in highly efficient (18.5%) perovskite solar cells with printable low temperature carbon electrode ITO‐free indoor OPV modules from nonhalogenated solvents Multilayer blade‐coating fabrication of methylammonium‐free perovskite photovoltaic modules with 66 cm 2 active area Perovskite photovoltaic devices with carbon‐based electrodes withstanding reverse‐bias voltages up to –9 V and surpassing IEC 61215:2016 international standard Perovskite solar cells with carbon‐based electrodes – quantification of losses and strategies to overcome them Revealing fundamentals of charge extraction in photovoltaic devices through potentiostatic photoluminescence imaging Toward understanding the short‐circuit current loss in perovskite solar cells with 2d passivation layers Decoupling of Implied and External V OC Due to Ionic Movement Explaining Transient V OC Overshoot in Perovskite Solar Cells Perovskite Photovoltaic Devices with Carbon‐Based Electrodes Withstanding Reverse‐Bias Voltages up to –9 V and Surpassing IEC 61215:2016 International Standard Multilayer Blade‐Coating Fabrication of Methylammonium‐Free Perovskite Photovoltaic Modules with 66 cm 2 Active Area Ambient Air Blade‐Coating Fabrication of Stable Triple‐Cation Perovskite Solar Modules by Green Solvent Quenching A 1 cm 2 Organic Solar Cell with 15.2% Certified Efficiency: Detailed Characterization and Identification of Optimization Potential Ion Movement Explains Huge V OC Increase despite Almost Unchanged Internal Quasi‐Fermi‐Level Splitting in Planar Perovskite Solar Cells A 1 cm2 organic solar cell with 15.2% certified efficiency: detailed characterization and identification of optimization potential Ion movement explains huge Voc increase despite almost unchanged internal quasi‐fermi‐level splitting in planar perovskite solar cells Roadmap on organic–inorganic hybrid perovskite semiconductors and devices New Fullerene Derivative as an n‐Type Material for Highly Efficient, Flexible Perovskite Solar Cells of a p‐i‐n Configuration Visualizing morphological principles for efficient photocurrent generation in organic non-fullerene acceptor blends ITO‐Free Organic Photovoltaic Modules Based on Fluorinated Polymers Deposited from Non‐Halogenated Solution: A Major Step Toward Large‐Scale Module Production Correct determination of charge transfer state energy from luminescence spectra in organic solar cells Apparent Field‐Dependence of the Charge Carrier Generation in Organic Solar Cells as a Result of (Bimolecular) Recombination Correct determination of charge transfer state energy from luminescence spectra in organic solar cells

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Katalog der Deutschen Nationalbibliothek

Uli Würfel (1971-)

Dielectric Bragg Reflector as Back Electrode for Semi‐Transparent Organic Solar Cells with an Average Visible Transparency of 52%

Side Connection for High‐Efficiency Organic Photovoltaic Modules for Indoor Applications: Shunt Reduction and Performance Improvement

Energy Harvesting and Storage with a High Voltage Organic Inorganic Photo‐Battery for Internet of Things Applications

A universal ligand for lead coordination and tailored crystal growth in perovskite solar cells

Dielectric bragg reflector as back electrode for semi‐transparent organic solar cells with an average visible transparency of 52%

Energy harvesting and storage with a high voltage organic inorganic photo‐battery for internet of things applications

Over 1000 V DC voltage from organic solar mini-modules

Phenothiazine‐based donor–acceptor polymers as multifunctional materials for charge storage and solar energy conversion

Remanufacturing perovskite solar cells and modules – a holistic case study

Rethinking electrochemical deposition of nickel oxide for photovoltaic applications

Side connection for high‐efficiency organic photovoltaic modules for indoor applications: shunt reduction and performance improvement

Ultra‐stable ITO‐free organic solar cells and modules processed from non‐halogenated solvents under indoor illumination

Unraveling the Energetic Landscape of Perovskite Solar Cells: A Synergy of 2D Drift‐Diffusion Simulations and Tapered Cross‐Section Photoelectron Spectroscopy

Rethinking Electrochemical Deposition of Nickel Oxide for Photovoltaic Applications

Organic Solar Cell with an Active Area > 1 cm 2 Achieving 15.8% Certified Efficiency using Optimized VIS‐NIR Antireflection Coating

Ultra‐Stable ITO‐Free Organic Solar Cells and Modules Processed from Non‐Halogenated Solvents under Indoor Illumination

Surface Modification of ITO with N‐Heterocyclic Carbene Precursors Results in Electron Selective Contacts in Organic Photovoltaic Devices

Improved Light Utilization Efficiency for an ITO‐Free Semitransparent Organic Solar Cell Using a Multilayer Silver Back Electrode as Infrared Mirror

Unraveling the Energetic Landscape of Perovskite Solar Cells: A Synergy of 2D Drift‐Diffusion Simulations and Tapered Cross‐Section Photoelectron Spectroscopy

Determination of Free Charge Carrier Luminescence and Quasi‐Fermi Level Separation in Organic Solar Cells via Transient Photoluminescence Measurements

Organic Solar Cell with an Active Area > 1 cm 2 Achieving 15.8% Certified Efficiency using Optimized VIS‐NIR Antireflection Coating

Determination of free charge carrier luminescence and quasi‐fermi level separation in organic solar cells via transient photoluminescence measurements

Improved light utilization efficiency for an ITO‐free semitransparent organic solar cell using a multilayer silver back electrode as infrared mirror

Organic photo-battery with high operating voltage using a multi-junction organic solar cell and an organic redox-polymer-based battery

Organic solar cell with an active area >1 cm2 achieving 15.8% certified efficiency using pptimized VIS‐NIR antireflection coating

Surface modification of ITO with N‐heterocyclic carbene precursors results in electron selective contacts in organic photovoltaic devices

Unraveling the energetic landscape of Perovskite solar cells: a synergy of 2D drift‐diffusion simulations and tapered cross‐section photoelectron spectroscopy

Phenothiazine‐Based Donor–Acceptor Polymers as Multifunctional Materials for Charge Storage and Solar Energy Conversion

A New Figure of Merit for Solar Charging Systems: Case Study for Monolithically Integrated Photosupercapacitors Composed of a Large‐Area Organic Solar Cell and a Carbon Double‐Layer Capacitor

Direct Determination of the Steady State and Time‐Resolved Quasi‐Fermi Level Separation in Organic Solar Cells from Electroluminescence Measurements

Employing 2D‐Perovskite as an Electron Blocking Layer in Highly Efficient (18.5%) Perovskite Solar Cells with Printable Low Temperature Carbon Electrode

ITO‐Free Indoor OPV Modules from Nonhalogenated Solvents

Toward Understanding the Short‐Circuit Current Loss in Perovskite Solar Cells with 2D Passivation Layers

Perovskite Solar Cells with Carbon‐Based Electrodes – Quantification of Losses and Strategies to Overcome Them

A new figure of merit for solar charging systems: case study for monolithically integrated photosupercapacitors composed of a large‐area organic solar cell and a carbon double‐layer capacitor

Advanced characterization of ionic motion effects in perovskite solar cells

Decoupling of implied and external VOC due to ionic movement explaining transient VOC overshoot in perovskite solar cells

Direct determination of the steady state and time‐resolved quasi‐fermi level separation in organic solar cells from electroluminescence measurements

Employing 2D‐perovskite as an electron blocking layer in highly efficient (18.5%) perovskite solar cells with printable low temperature carbon electrode

ITO‐free indoor OPV modules from nonhalogenated solvents

Multilayer blade‐coating fabrication of methylammonium‐free perovskite photovoltaic modules with 66 cm 2 active area

Perovskite photovoltaic devices with carbon‐based electrodes withstanding reverse‐bias voltages up to –9 V and surpassing IEC 61215:2016 international standard

Perovskite solar cells with carbon‐based electrodes – quantification of losses and strategies to overcome them

Revealing fundamentals of charge extraction in photovoltaic devices through potentiostatic photoluminescence imaging

Toward understanding the short‐circuit current loss in perovskite solar cells with 2d passivation layers

Decoupling of Implied and External V OC Due to Ionic Movement Explaining Transient V OC Overshoot in Perovskite Solar Cells

Perovskite Photovoltaic Devices with Carbon‐Based Electrodes Withstanding Reverse‐Bias Voltages up to –9 V and Surpassing IEC 61215:2016 International Standard

Multilayer Blade‐Coating Fabrication of Methylammonium‐Free Perovskite Photovoltaic Modules with 66 cm 2 Active Area

Ambient Air Blade‐Coating Fabrication of Stable Triple‐Cation Perovskite Solar Modules by Green Solvent Quenching

A 1 cm 2 Organic Solar Cell with 15.2% Certified Efficiency: Detailed Characterization and Identification of Optimization Potential

Ion Movement Explains Huge V OC Increase despite Almost Unchanged Internal Quasi‐Fermi‐Level Splitting in Planar Perovskite Solar Cells

A 1 cm2 organic solar cell with 15.2% certified efficiency: detailed characterization and identification of optimization potential

Ion movement explains huge Voc increase despite almost unchanged internal quasi‐fermi‐level splitting in planar perovskite solar cells

Roadmap on organic–inorganic hybrid perovskite semiconductors and devices

New Fullerene Derivative as an n‐Type Material for Highly Efficient, Flexible Perovskite Solar Cells of a p‐i‐n Configuration

Visualizing morphological principles for efficient photocurrent generation in organic non-fullerene acceptor blends

ITO‐Free Organic Photovoltaic Modules Based on Fluorinated Polymers Deposited from Non‐Halogenated Solution: A Major Step Toward Large‐Scale Module Production

Correct determination of charge transfer state energy from luminescence spectra in organic solar cells

Apparent Field‐Dependence of the Charge Carrier Generation in Organic Solar Cells as a Result of (Bimolecular) Recombination

Correct determination of charge transfer state energy from luminescence spectra in organic solar cells