Jongchul Lim
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View article: Dual-functional additives for stable perovskite thin films
Dual-functional additives for stable perovskite thin films Open
In this work, we introduced thionate-based additives. The incorporation of additives not only enhances performance but also retard degradation under humid, thermal, and light stress.
Enhancing Quantum Dot Photovoltaic Efficiency Through Defect Passivation and Triplet Energy Transfer with 9‐Anthracenecarboxylic Acid Open
A dual‐functional electron transport layer (ETL) is reported for PbS colloidal quantum dot (CQD) photovoltaics by incorporating 9‐anthracenecarboxylic acid (ACA) into a zinc oxide (ZnO) matrix. Despite its favorable electron transport char…
Tailoring RP-structured two-dimensional perovskite with controlled interlayer distance Open
Organic–inorganic metal halide perovskites have garnered significant attention as next-generation materials due to their exceptional optoelectronic properties. However, their commercialization is hindered by their inherent instability, as …
Electron Transport Bilayer Design for Perovskite‐Based Tandem Solar Cells Using Thermal Evaporation Open
The development of high‐performance perovskite solar cells (PSCs) and perovskite‐based tandem solar cells (PTSCs) has attracted significant attention from researchers owing to their simple and cost‐effective fabrication process. However, c…
View article: Vacuum Processability of Self-Assembled Monolayers and Their Chemical Interaction with Perovskite Interfaces
Vacuum Processability of Self-Assembled Monolayers and Their Chemical Interaction with Perovskite Interfaces Open
Self-assembled monolayers (SAMs) have gained significant attention as an interfacial engineering strategy for perovskite solar cells (PSCs) due to their efficient charge transport ability and work function tunability. While solution-based …
Lead‐Free, Sn‐Based All‐Perovskite Tandem Solar Cells with an Efficiency Over 15% Open
Recent advances in tin‐based perovskite solar cells (TPSCs) have yielded significant gains in power conversion efficiency (PCE), yet progress on wide‐bandgap (WBG) tin perovskites remains limited, primarily due to the complexities of halog…
View article: Homogeneously Blended Donor and Acceptor AgBiS<sub>2</sub> Nanocrystal Inks Enable High‐Performance Eco‐Friendly Solar Cells with Enhanced Carrier Diffusion Length
Homogeneously Blended Donor and Acceptor AgBiS<sub>2</sub> Nanocrystal Inks Enable High‐Performance Eco‐Friendly Solar Cells with Enhanced Carrier Diffusion Length Open
Colloidal semiconductor nanocrystals (NCs) have garnered significant attention as promising photovoltaic materials due to their tunable optoelectronic properties enabled by surface chemistry. Among them, AgBiS 2 NCs stand out as an attract…
A Versatile Ionic Liquid Additive for Perovskite Solar Cells: Surface Modification, Hole Transport Layer Doping, and Green Solvent Processing Open
Hole‐transport layers (HTL) in perovskite solar cells (PSCs) with an n‐i‐p structure are commonly doped by bis(trifluoromethane)sulfonimide (TFSI) salts to enhance hole conduction. While lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) …
Ionic Liquid‐Protected Edge Plane of Graphite to Overcome Initial Irreversible Capacity Loss for Improved Lithium‐Ion Batteries Open
Lithium‐ion batteries (LIBs) are considered indispensable in contemporary life because of their appropriate power density, rechargeability, and exceptional energy density. In recent decades, the crucial role of graphite (Gt) as the primary…
View article: Highly Efficient Wide Bandgap Perovskite Solar Cells With Tunneling Junction by Self‐Assembled 2D Dielectric Layer
Highly Efficient Wide Bandgap Perovskite Solar Cells With Tunneling Junction by Self‐Assembled 2D Dielectric Layer Open
Reducing non‐radiative recombination and addressing band alignment mismatches at interfaces remain major challenges in achieving high‐performance wide‐bandgap perovskite solar cells. This study proposes the self‐organization of a thin two‐…
View article: Managing Interfacial Defects and Charge‐Carriers Dynamics by a Cesium‐Doped SnO<sub>2</sub> for Air Stable Perovskite Solar Cells
Managing Interfacial Defects and Charge‐Carriers Dynamics by a Cesium‐Doped SnO<sub>2</sub> for Air Stable Perovskite Solar Cells Open
A high‐quality nanostructured tin oxide (SnO 2 ) has garnered massive attention as an electron transport layer (ETL) for efficient perovskite solar cells (PSCs). SnO 2 is considered the most effective alternative to titanium oxide (TiO 2 )…
View article: Elucidating Interfacial Hole Extraction and Recombination Kinetics in Perovskite Thin Films
Elucidating Interfacial Hole Extraction and Recombination Kinetics in Perovskite Thin Films Open
Hybrid organic–inorganic perovskite solar cells (PSCs) are receiving huge attention owing to their marvelous advantages, such as low cost, high efficiency, and superior optoelectronics characteristics. Despite their promising potential, ch…
Correction to “Adjusted Bulk and Interfacial Properties in Highly Stable Semitransparent Perovskite Solar Cells Fabricated by Thermocompression Bonding between Perovskite Layers” Open
ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionNEXTORIGINAL ARTICLEThis notice is a correctionCorrection to "Adjusted Bulk and Interfacial Properties in Highly Stable Semitransparent Perovskite Solar Cells Fabricated by Thermocompress…
View article: Elucidating Charge Carrier Dynamics in Perovskite‐Based Tandem Solar Cells (Small Methods 2/2024)
Elucidating Charge Carrier Dynamics in Perovskite‐Based Tandem Solar Cells (Small Methods 2/2024) Open
Tandem Solar Cells In article number 2300238, Park, Lim, and co-workers illustrate the investigation of charge carrier dynamics in perovskite-based tandem solar cells with the help of advanced experimental spectroscopy and optical simulati…
Unusual Raman Enhancement Effect of Ultrathin Copper Sulfide Open
In surface‐enhanced Raman spectroscopy (SERS), 2D materials are explored as substrates owing to their chemical stability and reproducibility. However, they exhibit lower enhancement factors (EFs) compared to noble metal‐based SERS substrat…
Characteristics of Tin Oxide Thin Film Grown by Atomic Layer Deposition and Spin Coating Process as Electron Transport Layer for Perovskite Solar Cells Open
Recently, the electron transport layer (ETL) has become one of the key components for high-performance perovskite solar cell (PSC). This study is motivated by the nonreproducible performance of ETL made of spin coated SnO2 applied to a PSC…
Exciton‐Scissoring Perfluoroarenes Trigger Photomultiplication in Full Color Organic Image Sensors (Adv. Mater. 45/2023) Open
Organic Image Sensors In article number 2302786, Do Hwan Kim, BongSoo Kim, Dae Sung Chung, and co-workers show that crosslinkable perfluoroaryl azide can be a trigger for photomultiplication phenomenon of organic photodiode once electrosta…
Organic Solvent Dispersible MXene Integrated Colloidal Quantum Dot Photovoltaics (Adv. Energy Mater. 37/2023) Open
Colloidal Quantum Dot Photovoltaics In article 2301648, Tae kyu An, Insik In, Jongmin Choi and co-workers develop an organic solvent-dispersible MXene, facilitating the modulation of energy band alignment and thwarting metal electrode pene…
Investigation of tetrakis(ethylmethylamido)hafnium adsorption mechanism in initial growth of atomic layer deposited-HfO2 thin films on H-/OH-terminated Si (100) surfaces Open
The continuous scaling down of dynamic random access memory devices has necessitated a comprehensive understanding of the initial growth mechanism in atomic layer deposition. In this study, HfO2 was deposited using tetrakis(ethylmethylamid…
Synergetic Effect of Aluminum Oxide and Organic Halide Salts on Two‐Dimensional Perovskite Layer Formation and Stability Enhancement of Perovskite Solar Cells Open
Long‐chain organic halide salts are widely used in perovskite‐based optoelectronic devices for surface passivation owing to their capability to interact with the surface defects of perovskites. Here, aluminum oxide (AlO x ) is introduced v…
View article: Elucidating Charge Carrier Dynamics in Perovskite‐Based Tandem Solar Cells
Elucidating Charge Carrier Dynamics in Perovskite‐Based Tandem Solar Cells Open
Recently, multijunction tandem solar cells (TSCs) have presented high power conversion efficiency and revealed their immense potential in photovoltaic evolution. It is demonstrated that multiple light absorbers with various bandgap energie…
CCDC 2243718: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
CCDC 2243418: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
CCDC 2243417: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
Understanding the Degradation of Methylenediammonium and Its Role in Phase-Stabilizing Formamidinium Lead Triiodide Open
Formamidinium lead triiodide (FAPbI3) is the leading candidate for single-junction metal-halide perovskite photovoltaics, despite the metastability of this phase. To enhance its ambient-phase stability and produce world-record photovoltaic…
Evolution of Local Structural Motifs in Colloidal Quantum Dot Semiconductor Nanocrystals Leading to Nanofaceting Open
Colloidal nanocrystals (NCs) have shown remarkable promise for optoelectronics, energy harvesting, photonics, and biomedical imaging. In addition to optimizing quantum confinement, the current challenge is to obtain a better understanding …