Jiwoong Yang
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View article: Graphene‐Based Liquid Cell Designs for In Situ Liquid‐Phase Transmission Electron Microscopy: Recent Developments and Perspectives
Graphene‐Based Liquid Cell Designs for In Situ Liquid‐Phase Transmission Electron Microscopy: Recent Developments and Perspectives Open
Recent advances in liquid‐phase transmission electron microscopy (TEM) have enabled the direct visualization of reaction pathways of nanomaterials, providing critical insights into diverse nanoscale processes such as crystallization, phase…
View article: Synergistic dual-electron acceptors in linear conjugated polymers for boosting photocatalytic hydrogen evolution
Synergistic dual-electron acceptors in linear conjugated polymers for boosting photocatalytic hydrogen evolution Open
The dual-electron-acceptor polymeric photocatalyst system enhances the electron-withdrawing ability of the polymer backbone, thereby increasing the number of electron output sites required for proton reduction.
View article: Highly (211)‐Oriented CuBi <sub>2</sub> O <sub>4</sub> /TiO <sub>2</sub> Heterojunction for Bifunctional Photoelectrochemical Water Splitting
Highly (211)‐Oriented CuBi <sub>2</sub> O <sub>4</sub> /TiO <sub>2</sub> Heterojunction for Bifunctional Photoelectrochemical Water Splitting Open
View article: AGACCI : Affiliated Grading Agents for Criteria-Centric Interface in Educational Coding Contexts
AGACCI : Affiliated Grading Agents for Criteria-Centric Interface in Educational Coding Contexts Open
Recent advances in AI-assisted education have encouraged the integration of vision-language models (VLMs) into academic assessment, particularly for tasks that require both quantitative and qualitative evaluation. However, existing VLM bas…
View article: Rise of intrinsically stretchable electroluminescent materials: toward free-form displays
Rise of intrinsically stretchable electroluminescent materials: toward free-form displays Open
Intrinsically stretchable light-emitting diodes (LEDs) are foundational components for next-generation free-form displays. Here, we present recent advances in electroluminescent materials for intrinsically stretchable LEDs, including molec…
View article: Unveiling Formation Pathways of Ternary I–III–VI CuInS<sub>2</sub> Quantum Dots and Their Effect on Photoelectrochemical Hydrogen Generation
Unveiling Formation Pathways of Ternary I–III–VI CuInS<sub>2</sub> Quantum Dots and Their Effect on Photoelectrochemical Hydrogen Generation Open
Understanding the formation mechanisms of semiconductor nanocrystal quantum dots (QDs) is essential for fine‐tuning their optical and electrical properties. Despite their potential in solar energy conversion, the synthesis processes and re…
View article: Enhanced ferroelectric performance in Hf0.5Zr0.5O2 capacitors using ultra-thin MoS2 layer for clamping effect and oxygen vacancy suppression
Enhanced ferroelectric performance in Hf0.5Zr0.5O2 capacitors using ultra-thin MoS2 layer for clamping effect and oxygen vacancy suppression Open
View article: Intrinsically‐Stretchable and Patternable Quantum Dot Color Conversion Layers for Stretchable Displays in Robotic Skin and Wearable Electronics
Intrinsically‐Stretchable and Patternable Quantum Dot Color Conversion Layers for Stretchable Displays in Robotic Skin and Wearable Electronics Open
Stretchable displays are essential components as signal outputs in next‐generation stretchable electronics, particularly for robotic skin and wearable device technologies. Intrinsically‐stretchable and patternable color conversion layers (…
View article: Author Correction: Exciton-driven change of phonon modes causes strong temperature dependent bandgap shift in nanoclusters
Author Correction: Exciton-driven change of phonon modes causes strong temperature dependent bandgap shift in nanoclusters Open
View article: Two-step polymerization for tailored donor–acceptor interactions driving efficient hydrogen evolution in visible-light photocatalysts
Two-step polymerization for tailored donor–acceptor interactions driving efficient hydrogen evolution in visible-light photocatalysts Open
Benzodithiophene-incorporated polymers, synthesized via a two-step polymerization process, enhance photocatalytic efficiency by optimizing donor–acceptor interactions within the polymer matrix and facilitating efficient charge separation.
View article: Nucleation‐Controlled Doping of II–VI Semiconductor Nanocrystals Mediated by Magic‐Sized Clusters
Nucleation‐Controlled Doping of II–VI Semiconductor Nanocrystals Mediated by Magic‐Sized Clusters Open
Doping quantum‐confined semiconductor nanocrystals offers an effective way to tailor their unique properties. However, the inherent challenges of nanoscale doping processes, such as the low probability of successful doping, have hindered t…
View article: Hydrophilic Photocrosslinkers as a Universal Solution to Endow Water Affinity to a Polymer Photocatalyst for an Enhanced Hydrogen Evolution Rate
Hydrophilic Photocrosslinkers as a Universal Solution to Endow Water Affinity to a Polymer Photocatalyst for an Enhanced Hydrogen Evolution Rate Open
A universal approach for enhancing water affinity in polymer photocatalysts by covalently attaching hydrophilic photocrosslinkers to polymer chains is presented. A series of bisdiazirine photocrosslinkers, each comprising bisdiazirine phot…
View article: Controlled Synthesis of Branched 2d Polytypic CDS Quantum Nanostructures
Controlled Synthesis of Branched 2d Polytypic CDS Quantum Nanostructures Open
View article: Revealing Two Distinct Formation Pathways of 2D Wurtzite‐CdSe Nanocrystals Using In Situ X‐Ray Scattering
Revealing Two Distinct Formation Pathways of 2D Wurtzite‐CdSe Nanocrystals Using In Situ X‐Ray Scattering Open
Understanding the mechanism underlying the formation of quantum‐sized semiconductor nanocrystals is crucial for controlling their synthesis for a wide array of applications. However, most studies of 2D CdSe nanocrystals have relied predomi…
View article: Recent Advances in Patterning Strategies for Full-Color Perovskite Light-Emitting Diodes
Recent Advances in Patterning Strategies for Full-Color Perovskite Light-Emitting Diodes Open
View article: The Impact of Multifunctional Ambipolar Polymer Integration on the Performance and Stability of Perovskite Solar Cells (Adv. Energy Mater. 41/2023)
The Impact of Multifunctional Ambipolar Polymer Integration on the Performance and Stability of Perovskite Solar Cells (Adv. Energy Mater. 41/2023) Open
Perovskite Solar Cells In article number 2301927, Bumjoon J. Kim, Jongmin Choi and co-workers develop perovskite solar cells integrated with an ambipolar polymer, which offer several advantages, such as comprehensive defect passivation, bi…
View article: Materials, Device Structures, and Applications of Flexible Perovskite Light‐Emitting Diodes
Materials, Device Structures, and Applications of Flexible Perovskite Light‐Emitting Diodes Open
The flexible type of displays, which can alter their shape freely (e.g., bendable or foldable displays) according to situational demands, is under an intense spotlight due to applications in human‐friendly mobile electronics. Among various…
View article: Defect engineering of ternary Cu–In–Se quantum dots for boosting photoelectrochemical hydrogen generation
Defect engineering of ternary Cu–In–Se quantum dots for boosting photoelectrochemical hydrogen generation Open
Heavy‐metal‐free ternary Cu–In–Se quantum dots (CISe QDs) are promising for solar fuel production because of their low toxicity, tunable band gap, and high light absorption coefficient. Although defects significantly affect the photophysic…
View article: Cover Feature: Quantum Dots, Passivation Layer and Cocatalysts for Enhanced Photoelectrochemical Hydrogen Production (ChemSusChem 3/2023)
Cover Feature: Quantum Dots, Passivation Layer and Cocatalysts for Enhanced Photoelectrochemical Hydrogen Production (ChemSusChem 3/2023) Open
The Cover Feature shows the strategies to improve the photoelectrochemical hydrogen evolution of quantum dot (QD)-based semiconductors (yellow balls) by applying a co-catalyst (buried grey balls) or a passivation layer (blue layers) as sho…
View article: Direct Observation of Off‐Stoichiometry‐Induced Phase Transformation of 2D CdSe Quantum Nanosheets
Direct Observation of Off‐Stoichiometry‐Induced Phase Transformation of 2D CdSe Quantum Nanosheets Open
Crystal structures determine material properties, suggesting that crystal phase transformations have the potential for application in a variety of systems and devices. Phase transitions are more likely to occur in smaller crystals; however…
View article: Ultrahigh-resolution full-color perovskite nanocrystal patterning for ultrathin skin-attachable displays
Ultrahigh-resolution full-color perovskite nanocrystal patterning for ultrathin skin-attachable displays Open
High-definition red/green/blue (RGB) pixels and deformable form factors are essential for the next-generation advanced displays. Here, we present ultrahigh-resolution full-color perovskite nanocrystal (PeNC) patterning for ultrathin wearab…
View article: Integration of synaptic phototransistors and quantum dot light-emitting diodes for visualization and recognition of UV patterns
Integration of synaptic phototransistors and quantum dot light-emitting diodes for visualization and recognition of UV patterns Open
Synaptic photodetectors exhibit photon-triggered synaptic plasticity, which thus can improve the image recognition rate by enhancing the image contrast. However, still, the visualization and recognition of invisible ultraviolet (UV) patter…
View article: Effects of Mono- and Bifunctional Surface Ligands of Cu–In–Se Quantum Dots on Photoelectrochemical Hydrogen Production
Effects of Mono- and Bifunctional Surface Ligands of Cu–In–Se Quantum Dots on Photoelectrochemical Hydrogen Production Open
Semiconductor nanocrystal quantum dots (QDs) are promising materials for solar energy conversion because of their bandgap tunability, high absorption coefficient, and improved hot-carrier generation. CuInSe2 (CISe)-based QDs have attracted…
View article: Advances in Quantum Dot Printing Techniques for Light-Emitting Diode Applications
Advances in Quantum Dot Printing Techniques for Light-Emitting Diode Applications Open
Colloidal quantum dots (QDs) are promising materials for the next-generation displays, because of their excellent optical properties such as color tuneability, bright emissions, and extremely high color purity. For the practical applicatio…
View article: Dynamics of Polymer Nanocapsule Buckling and Collapse Revealed by <i>In Situ</i> Liquid-Phase TEM
Dynamics of Polymer Nanocapsule Buckling and Collapse Revealed by <i>In Situ</i> Liquid-Phase TEM Open
Nanocapsules are hollow nanoscale shells that have applications in drug delivery, batteries, self-healing materials, and as model systems for naturally occurring shell geometries. In many applications, nanocapsules are designed to release …
View article: Experimental realization of strain-induced room-temperature ferroelectricity in SrMnO3 films via selective oxygen annealing
Experimental realization of strain-induced room-temperature ferroelectricity in SrMnO3 films via selective oxygen annealing Open
Antiferromagnetic-paraelectric SrMnO 3 (SMO) has aroused interest because of the theoretical strong coupling between the ferroelectric and ferromagnetic states with increasing epitaxial strain. In strained SMO films, the polarized state a…
View article: Exciton-driven change of phonon modes causes strong temperature dependent bandgap shift in nanoclusters
Exciton-driven change of phonon modes causes strong temperature dependent bandgap shift in nanoclusters Open
View article: Hybrid nanocapsules for <i>in situ</i> TEM imaging of gas evolution reactions in confined liquids
Hybrid nanocapsules for <i>in situ</i> TEM imaging of gas evolution reactions in confined liquids Open
Gold-coated liposome nanocapsules enable in situ TEM imaging and mixing of nanoscale reactions confined in zeptoliter volumes.
View article: Liquid Pockets Encapsulated in MoS<sub>2</sub> Liquid Cells
Liquid Pockets Encapsulated in MoS<sub>2</sub> Liquid Cells Open
View article: Nickel sulfide nanostructures prepared by laser irradiation for efficient electrocatalytic hydrogen evolution reaction and supercapacitors
Nickel sulfide nanostructures prepared by laser irradiation for efficient electrocatalytic hydrogen evolution reaction and supercapacitors Open