Rik Hooijer

Room‐Temperature Synthesis of Strongly Confined Lead Halide Perovskite Quantum Dots

Anna Abfalterer, Yuzhen J. Zhou, Roshini Jayabalan, Julian Holzinger et autres

ABSTRACT Colloidal quantum dots (QDs) are promising for light‐emitting applications, but their synthesis under ambient conditions remains challenging. Here we present a rapid, room‐temperature (RT) method that produces highly stable QDs within minutes using the zwitterionic ligand 2‐ammonioethyl 2‐octyl‐1‐dodecyl phosphate (OD‐PEA). The …

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Main Text and Supplementary Information data for: Room-Temperature Synthesis of Strongly Confined Lead Halide Perovskite Quantum Dots.

Anna Abfalterer, Yuzhen J. Zhou, Roshini Jayabalan, Julian Holzinger et autres

This dataset includes the data from the publication "Room-Temperature Synthesis of Strongly Confined Lead Halide Perovskite Quantum Dots" by A. Abfalterer et al., along with a metadata file that relates the datasets to the corresponding figures in the paper.

Author response for "Why More Junctions Do Not Yet Deliver: Interconnection Challenges in Perovskite Multijunction Solar Cells"

Rik Hooijer, Sunwoo Kim, Doyun Im, Cong Chen et autres

Synthetic Surface Design of Transparent Electrodes for Enhanced Molecular Contact in Perovskite Solar Cells

Rik Hooijer, Sunwoo Kim, Sinja Klenk, Hao Zhu et autres

ABSTRACT Self‐assembled molecules (SAMs) as a molecular charge selective contact and interface with metal oxides are the new benchmark in p‐i‐n devices. Yet, transparent electrode (i.e., ITO) surface preparation is often performed with established protocols that do not exploit the full potential …

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Perovskite solar cells with enhanced thermal fatigue resistance under extreme temperature cycling

Cem Yilmaz, Ali Buyruk, Yating Shi, Sergej Levashov et autres

Metal halide perovskite solar cells combine high power density with low-cost manufacturing, but durability under repeated extreme temperature cycling remains insufficiently understood. We investigate thermal fatigue under cycling between -80 °C and +80 °C as an accelerated stress protocol. Mismatched thermal expansion …

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Room-Temperature Synthesis of Strongly Confined Lead Halide Perovskite Quantum Dots

Anna Abfalterer, Yuzhen J. Zhou, Roshini Jayabalan, Julian Holzinger et autres

Colloidal CsPbBr 3 quantum dots (QDs) are promising for light-emitting applications, but their synthesis under ambient conditions remains challenging. Here we present a rapid, room-temperature (RT) method that produces highly stable CsPbBr 3 QDs within minutes using the zwitterionic ligand 2-ammonioethyl 2-octyl-1-dodecyl …

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Macroscale synthesis of vertical MoS2 -WS2 superlattice heterostructures using Metal-Organic Vapor Deposition

Nikolas Dominik, Sinja Klenk, Cormac Ó Coileáin, Martina Schenkel et autres

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Elucidating the origin of open‐circuit voltage in ternary organic solar cells with a nonfullerene and a fullerene acceptor

Dominic Blätte, Marcella Günther, Carlito S. Ponseca, Andreas Weis et autres

Abstract With organic solar cells surpassing 20% efficiency, the focus is shifting toward understanding the more complex mechanisms in ternary blends. This work investigates the distinct working principles of ternary organic solar cells based on a polymer donor (D) and a nonfullerene …

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Elucidating the origin of open‐circuit voltage in ternary organic solar cells with a nonfullerene and a fullerene acceptor

Dominic Blätte, Marcella Günther, Carlito S. Ponseca, Andreas Weis et autres

With organic solar cells surpassing 20% efficiency, the focus is shifting toward understanding the more complex mechanisms in ternary blends. This work investigates the distinct working principles of ternary organic solar cells based on a polymer donor (D) and a nonfullerene acceptor …

Tuning the surface nanoroughness of the recombination junction for high-performance perovskite–silicon tandem solar cells

Yifeng Zhao, Esma Ugur, Arsalan Razzaq, Thomas G. Allen et autres

Tuning the nanoroughness of ( n )nc-Si:H in bottom cells controls SAM anchoring and work function shifts in monolithic perovskite–silicon tandems. Enhanced nanoroughness improves interface quality and fill factor, enabling efficiencies up to 32.6%.

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Perovskite solar cells with enhanced thermal fatigue resistance under extreme temperature cycling

Cem Yilmaz, Ali Buyruk, Yating Shi, Sergej Levashov et autres

Metal halide perovskite solar cells combine high power density with low-cost manufacturing, but durability under repeated extreme temperature cycling remains insufficiently understood. We investigate thermal fatigue under cycling between -80 °C and +80 °C as an accelerated stress protocol. Mismatched thermal expansion …

High-performance solution-processed TIIG-based polymer photodetector with detectivity across scalable SWIR applications

Rico Holfeuer, Marc Comí, Stefan Schröder, M. Bouraoui et autres

, and encapsulated devices preserve >95% responsivity after 800 hours of ambient aging. The simplified, high-sensitivity processing advances TIIG-Se-DFT:Y6 SWIR photodetectors toward industrial scale suitable for wearables, light detection and ranging (LiDAR), and optical communications.

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