Yueh‐Lin Loo
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View article: Impact of Processing Environment on Anti‐Solvent Free FAPbI <sub>3</sub> Films and Solar Cells
Impact of Processing Environment on Anti‐Solvent Free FAPbI <sub>3</sub> Films and Solar Cells Open
As perovskite solar cells approach commercialization, understanding the environmental sensitivities of perovskites during fabrication becomes increasingly important. In this work, the humidity‐dependence of each deposition and annealing st…
View article: Mapping the polymorphic phase transformations of CsPbI<sub>3</sub> perovskite thin films
Mapping the polymorphic phase transformations of CsPbI<sub>3</sub> perovskite thin films Open
In situ isothermal XRD and microscopy are used to quantify the time- and temperature-dependent thin-film phase transitions of CsPbI 3 from its optoelectronically-desirable black phases to its yellow non-perovskite δ-CsPbI 3 phase.
View article: Effects of Ligand Chemistry on Ion Transport in 2D Hybrid Organic–Inorganic Perovskites
Effects of Ligand Chemistry on Ion Transport in 2D Hybrid Organic–Inorganic Perovskites Open
2D hybrid organic–inorganic perovskites are potentially promising materials as passivation layers that can enhance the efficiency and stability of perovskite photovoltaics. The ability to suppress ion transport is proposed as a stabilizati…
View article: Effects of Ligand Chemistry on Ion Transport in Two-Dimensional Hybrid Organic-Inorganic Perovskites
Effects of Ligand Chemistry on Ion Transport in Two-Dimensional Hybrid Organic-Inorganic Perovskites Open
Two-dimensional (2D) hybrid organic-inorganic perovskites are potentially promising materials as passivation layers that can enhance the efficiency and stability of perovskite photovoltaics. The ability to suppress ion transport has been p…
View article: A General Approach to Activate Second‐Scale Room Temperature Photoluminescence in Organic Small Molecules
A General Approach to Activate Second‐Scale Room Temperature Photoluminescence in Organic Small Molecules Open
Organic small molecules that exhibit second‐scale phosphorescence at room temperature are of interest for potential applications in sensing, anticounterfeiting, and bioimaging. However, such materials systems are uncommon—requiring millise…
View article: Effects of Ligand Chemistry on Ion Transport in Two-Dimensional Hybrid Organic-Inorganic Perovskites
Effects of Ligand Chemistry on Ion Transport in Two-Dimensional Hybrid Organic-Inorganic Perovskites Open
Two-dimensional (2D) hybrid organic-inorganic perovskites are potentially promising materials as passivation layers that can enhance the efficiency and stability of perovskite photovoltaics. The ability to suppress ion transport has been p…
View article: Effects of Ligand Chemistry on Ion Transport in Two-Dimensional Hybrid Organic-Inorganic Perovskites
Effects of Ligand Chemistry on Ion Transport in Two-Dimensional Hybrid Organic-Inorganic Perovskites Open
Two-dimensional (2D) hybrid organic-inorganic perovskites are potentially promising materials as passivation layers that can enhance the efficiency and stability of perovskite photovoltaics. The ability to suppress ion transport has been p…
View article: Evolution of the Electronic and Excitonic Properties in 2D Ruddlesden–Popper Perovskites Induced by Bifunctional Ligands
Evolution of the Electronic and Excitonic Properties in 2D Ruddlesden–Popper Perovskites Induced by Bifunctional Ligands Open
2D Ruddlesden–Popper metal‐halide perovskites exhibit structural diversity due to a variety of choices of organic ligands. Incorporating bifunctional ligands in such materials is particularly intriguing since it can result in novel electro…
View article: CCDC 2209375: Experimental Crystal Structure Determination
CCDC 2209375: 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 …
View article: CCDC 2209374: Experimental Crystal Structure Determination
CCDC 2209374: 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 …
View article: CCDC 2209376: Experimental Crystal Structure Determination
CCDC 2209376: 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 …
View article: Highly Transparent, Scalable, and Stable Perovskite Solar Cells with Minimal Aesthetic Compromise (Adv. Energy Mater. 33/2023)
Highly Transparent, Scalable, and Stable Perovskite Solar Cells with Minimal Aesthetic Compromise (Adv. Energy Mater. 33/2023) Open
Transparent Solar Cells Inorganic metal halide perovskites have wide bandgaps that can be tuned via halide stoichiometry. In article number 2200402, Xiaoming Zhao, Yueh-Lin Loo and co-workers find that CsPbCl2.5Br0.5 has the ideal bandgap …
View article: CCDC 2101249: Experimental Crystal Structure Determination
CCDC 2101249: 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 …
View article: CCDC 2101250: Experimental Crystal Structure Determination
CCDC 2101250: 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 …
View article: Prospects for inorganic CsPbI3 perovskite solar cells with commercially viable lifetimes
Prospects for inorganic CsPbI3 perovskite solar cells with commercially viable lifetimes Open
Perovskite CsPbI3 is a promising photovoltaic absorber material, thanks to its ideal bandgap for Si-tandem solar cell applications and its excellent thermochemical stability compared with hybrid organic–inorganic perovskites. However, CsPb…
View article: Photochemical Decomposition of Y‐Series Non‐Fullerene Acceptors Is Responsible for Degradation of High‐Efficiency Organic Solar Cells
Photochemical Decomposition of Y‐Series Non‐Fullerene Acceptors Is Responsible for Degradation of High‐Efficiency Organic Solar Cells Open
Organic photovoltaic cells that employ Y‐series non‐fullerene acceptors (NFAs) have recently achieved impressive power‐conversion efficiencies (>18%). To fulfill their commercial promise, it is important to quantify their operational lifet…
View article: Voltage-dependent excitation dynamics in UV-absorbing organic photovoltaics with efficient charge transfer exciton emission
Voltage-dependent excitation dynamics in UV-absorbing organic photovoltaics with efficient charge transfer exciton emission Open
Voltage-dependent characterizations of organic solar cells with brightly-emitting charge-transfer excitons reveal excitation dynamics and trends as a function of donor molecule.
View article: Hot‐Casting‐Assisted Liquid Additive Engineering for Efficient and Stable Perovskite Solar Cells
Hot‐Casting‐Assisted Liquid Additive Engineering for Efficient and Stable Perovskite Solar Cells Open
High‐performance inorganic–organic lead halide perovskite solar cells (PSCs) are often fabricated with a liquid additive such as dimethyl sulfoxide (DMSO), which retards crystallization and reduces roughness and pinholes in the perovskite …
View article: A charge transfer framework that describes supramolecular interactions governing structure and properties of 2D perovskites
A charge transfer framework that describes supramolecular interactions governing structure and properties of 2D perovskites Open
The elucidation of structure-to-function relationships for two-dimensional (2D) hybrid perovskites remains a primary challenge for engineering efficient perovskite-based devices. By combining insights from theory and experiment, we describ…
View article: Excited-State Dynamics of 5,14- vs 6,13-Bis(trialkylsilylethynyl)-Substituted Pentacenes: Implications for Singlet Fission
Excited-State Dynamics of 5,14- vs 6,13-Bis(trialkylsilylethynyl)-Substituted Pentacenes: Implications for Singlet Fission Open
Singlet fission is a process in conjugated organic materials that has the potential to considerably improve the performance of devices in many applications, including solar energy conversion. In any application involving singlet fission, e…
View article: Hot-casting assisted liquid additive engineering for efficient and stable perovskite solar cells
Hot-casting assisted liquid additive engineering for efficient and stable perovskite solar cells Open
High-performance inorganic-organic lead halide perovskite solar cells (PSCs) are often fabricated with a liquid additive such as dimethyl sulfoxide (DMSO) which retards crystallization and reduces roughness and pinholes in the perovskite l…
View article: Epitaxially crystallized polyethylene exhibiting <scp>near‐equilibrium</scp> melting temperatures*
Epitaxially crystallized polyethylene exhibiting <span>near‐equilibrium</span> melting temperatures* Open
The morphology and orientation of polymer crystals are important factors which determine the performance of thin‐film, polymer‐based technologies such as organic electronic devices and gas separation membranes. Here, we utilize polymer‐sub…
View article: Metastable Dion-Jacobson 2D structure enables efficient and stable perovskite solar cells
Metastable Dion-Jacobson 2D structure enables efficient and stable perovskite solar cells Open
Directing efficient hole transport Surface defects in three-dimensional perovskites can decrease performance but can be healed with coatings based on two-dimensional (2D) perovskite such as Ruddlesden-Popper phases. However, the bulky orga…
View article: Correction: A hole-transport material that also passivates perovskite surface defects for solar cells with improved efficiency and stability
Correction: A hole-transport material that also passivates perovskite surface defects for solar cells with improved efficiency and stability Open
Correction for ‘A hole-transport material that also passivates perovskite surface defects for solar cells with improved efficiency and stability’ by Xiaoming Zhao et al. , Energy Environ. Sci. , 2020, 13 , 4334–4343, https://doi.org/10.103…
View article: Grazing-incidence X-ray diffraction tomography for characterizing organic thin films
Grazing-incidence X-ray diffraction tomography for characterizing organic thin films Open
Characterization of thin films is of paramount importance for evaluating material processing outcomes/efficiency as well as establishing structure–property/performance relationships. This article introduces grazing-incidence diffraction to…
View article: Postdeposition Processing Influences the Relative Contributions of Electronic and Ionic Seebeck Effects in the Thermoelectric Response of Conducting Polymers
Postdeposition Processing Influences the Relative Contributions of Electronic and Ionic Seebeck Effects in the Thermoelectric Response of Conducting Polymers Open
The postdeposition solvent annealing of PEDOT:PSS and PANI–PAAMPSA thin films with dichloroacetic acid (DCA) induces structural modification that dramatically increases the electrical conductivity of these conducting polymers. Herein, we s…
View article: The Effects of Chromophore Halogenation on the Stability of UV‐Absorbing Organic Solar Cells
The Effects of Chromophore Halogenation on the Stability of UV‐Absorbing Organic Solar Cells Open
Transparent photovoltaics that harvest ultraviolet photons are promising point‐of‐use power sources for lower power applications, such as electrochromic windows that regulate the flow of visible and infrared photons for lighting and temper…
View article: Photocurrent in Metal-Halide Perovskite/Organic Semiconductor Heterostructures: Impact of Microstructure on Charge Generation Efficiency
Photocurrent in Metal-Halide Perovskite/Organic Semiconductor Heterostructures: Impact of Microstructure on Charge Generation Efficiency Open
Hybrid organic-inorganic metal-halide perovskites have emerged as versatile materials for enabling low-cost, mechanically flexible optoelectronic applications. The progress has been commendable; however, technological breakthroughs have ou…
View article: Solvent‐Free Coating of Organic Semiconductor Membranes with Centimetric Crystalline Domains
Solvent‐Free Coating of Organic Semiconductor Membranes with Centimetric Crystalline Domains Open
Organic semiconductors (OSCs) have shown great promise in a variety of applications. Although solution processing of OSCs has resulted in high‐quality films, exquisite control of structural development to minimize defect formation during l…