Yong‐Jin Pu
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View article: Bayesian molecular optimization for accelerating reverse intersystem crossing
Bayesian molecular optimization for accelerating reverse intersystem crossing Open
Spin conversion in molecular excited states is crucial for the development of next-generation optoelectronic devices.
View article: Computational Design of the Molecules Exhibiting Non-Overlapping HOMO and LUMO in a Same Molecular Plane
Computational Design of the Molecules Exhibiting Non-Overlapping HOMO and LUMO in a Same Molecular Plane Open
The negative energy difference between singlet and triplet excited states (ΔEST) is currently attracting significant attention; however, molecular designs remain largely confined to azaphenalene structures, as reported by Leupin and Wirz i…
View article: Bayesian Molecular Optimization for Accelerating Reverse Intersystem Crossing
Bayesian Molecular Optimization for Accelerating Reverse Intersystem Crossing Open
Spin conversion in molecular excited states is crucial for the development of next-generation optoelectronic devices. However, optimizing molecular structures for rapid spin conversion has relied on time-consuming experimental trial-and-er…
View article: Anisotropic electronic coupling in three-dimensional assembly of CsPbBr<sub>3</sub> quantum dots
Anisotropic electronic coupling in three-dimensional assembly of CsPbBr<sub>3</sub> quantum dots Open
Controlled interparticle distance in the out-of-plane direction realizes anisotropic electronic coupling in the multilayers of colloidal CsPbBr 3 quantum dots.
View article: Computational Design of Multiple Resonance–Type BN Molecules for Inverted Singlet and Triplet Excited States
Computational Design of Multiple Resonance–Type BN Molecules for Inverted Singlet and Triplet Excited States Open
A computational design of linearly extended multiple resonance (MR)-type BN molecules based on DABNA-1 is proposed herein in the quest to find potential candidates that exhibit a negative singlet-triplet gap (ΔEST) and a large oscillator s…
View article: Surface energetics mediated charge transfer and exciton transfer in cation-adsorbed rubrene/PbS nanocrystal hybrids
Surface energetics mediated charge transfer and exciton transfer in cation-adsorbed rubrene/PbS nanocrystal hybrids Open
Organic molecule and inorganic nanocrystal (NC) hybrids have become a promising platform for photon energy conversion. Although surface energetics modification has proven effective in promoting triplet energy transfer, singlet energy trans…
View article: Data Supporting Delayed Fluorescence from Inverted Singlet and Triplet Excited States.xlsx
Data Supporting Delayed Fluorescence from Inverted Singlet and Triplet Excited States.xlsx Open
Data Supporting: Delayed Fluorescence from Inverted Singlet and Triplet Excited States
View article: Hydrothermal synthesis of water-soluble Mn- and Cu-doped CdSe quantum dots with multi-shell structures and their photoluminescence properties
Hydrothermal synthesis of water-soluble Mn- and Cu-doped CdSe quantum dots with multi-shell structures and their photoluminescence properties Open
The core/shell/shell QD structure with doping in the shell layer is a versatile method for synthesizing doped QDs.
View article: Electron spin resonance resolves intermediate triplet states in delayed fluorescence
Electron spin resonance resolves intermediate triplet states in delayed fluorescence Open
Molecular organic fluorophores are currently used in organic light-emitting diodes, though non-emissive triplet excitons generated in devices incorporating conventional fluorophores limit the efficiency. This limit can be overcome in mater…
View article: Electron spin resonance resolves intermediate triplet states in delayed fluorescence
Electron spin resonance resolves intermediate triplet states in delayed fluorescence Open
Molecular organic fluorophores are currently used in organic light-emitting diodes, though non-emissive triplet excitons generated in devices incorporating conventional fluorophores limit the efficiency. This limit can be overcome in mater…
View article: Delayed Fluorescence from Inverted Singlet and Triplet Excited States for Efficient Organic Light-Emitting Diodes
Delayed Fluorescence from Inverted Singlet and Triplet Excited States for Efficient Organic Light-Emitting Diodes Open
Hund’s multiplicity rule states that for a given electronic configuration, a higher spin state has a lower energy. Rephrasing this rule for molecular excited states predicts a positive energy gap between spin-singlet and spin-triplet excit…
View article: Simple cubic self-assembly of PbS quantum dots by finely controlled ligand removal through gel permeation chromatography
Simple cubic self-assembly of PbS quantum dots by finely controlled ligand removal through gel permeation chromatography Open
Gel permeation chromatography can finely control ligand coverage of PbS quantum dots. Self-assembly of these QDs with different ligand density leads to the formation of 2D square, hexagonal and 3D simple cubic and face-centered cubic super…
View article: Data supporting: Electron spin resonance resolves intermediate triplet states in delayed fluorescence
Data supporting: Electron spin resonance resolves intermediate triplet states in delayed fluorescence Open
Data underlying article: Electron spin resonance resolves intermediate triplet states in delayed fluorescence
View article: Designs and understanding of small molecule-based non-fullerene acceptors for realizing commercially viable organic photovoltaics
Designs and understanding of small molecule-based non-fullerene acceptors for realizing commercially viable organic photovoltaics Open
This review describes the current understandings and the significant features observed in NFA-based OPVs, with a particular focus on photophysical, electrical, and morphological characteristics.
View article: Kinetic Prediction of Reverse Intersystem Crossing in Organic Donor–Acceptor Molecules
Kinetic Prediction of Reverse Intersystem Crossing in Organic Donor–Acceptor Molecules Open
Reverse intersystem crossing (RISC), the uphill spin-flip process from a triplet to a singlet excited state, plays a key role in a wide range of photochemical applications. Understanding and predicting the kinetics of such processes in vas…
View article: Kinetic Prediction of Reverse Intersystem Crossing in Organic Donor–Acceptor Molecules
Kinetic Prediction of Reverse Intersystem Crossing in Organic Donor–Acceptor Molecules Open
Reverse intersystem crossing (RISC), the uphill spin-flip process from triplet to singlet excited states, plays a key role in a wide range of photochemical applications. Understanding and predicting the kinetics of such process in vastly d…
View article: Kinetic Prediction of Reverse Intersystem Crossing in Organic Donor–Acceptor Molecules
Kinetic Prediction of Reverse Intersystem Crossing in Organic Donor–Acceptor Molecules Open
Reverse intersystem crossing (RISC), the uphill spin-flip process from a triplet to a singlet excited state, plays a key role in a wide range of photochemical applications. Understanding and predicting the kinetics of such processes in vas…
View article: Patterned Assembly: Controllable 1D Patterned Assembly of Colloidal Quantum Dots on PbSO<sub>4</sub> Nanoribbons (Adv. Funct. Mater. 44/2019)
Patterned Assembly: Controllable 1D Patterned Assembly of Colloidal Quantum Dots on PbSO<sub>4</sub> Nanoribbons (Adv. Funct. Mater. 44/2019) Open
In article number 1905175, Yong-Jin Pu and co-workers achieve 1D self-assembly of colloidal quantum dots (QDs) on the surface of PbSO4 nanoribbons. The assembly pattern is controlled by adding oleylamine, resulting in randomly winding line…
View article: Solution‐Processed Tandem OLEDs: An Indolocarbazole‐Based Thermally Activated Delayed Fluorescence Host for Solution‐Processed Phosphorescent Tandem Organic Light‐Emitting Devices Exhibiting Extremely Small Efficiency Roll‐Off (Adv. Funct. Mater. 16/2019)
Solution‐Processed Tandem OLEDs: An Indolocarbazole‐Based Thermally Activated Delayed Fluorescence Host for Solution‐Processed Phosphorescent Tandem Organic Light‐Emitting Devices Exhibiting Extremely Small Efficiency Roll‐Off (Adv. Funct. Mater. 16/2019) Open
In article number 1808022, Satoru Ohisa, Yong-Jin Pu, Junji Kido, and co-workers develop a solution-processed phosphorescent tandem organic light-emitting device exhibiting extremely small efficiency roll-off. A newly developed thermally a…
View article: Exciplex emissions derived from exceptionally long-distance donor and acceptor molecules
Exciplex emissions derived from exceptionally long-distance donor and acceptor molecules Open
We report exceptionally long-distance coupled exciplex emissions between electron-donor and electron-acceptor molecules even with a 70 nm-thick spacer layer.
View article: Neutron Reflectivity Study for Solution-processed Organic/Organic Interfacial Structures in Organic Light-emitting Devices
Neutron Reflectivity Study for Solution-processed Organic/Organic Interfacial Structures in Organic Light-emitting Devices Open
Solution- and thermal annealing-processed organic/organic interfacial structures in organic light-emitting devices (OLEDs) were investigated by neutron reflectivity measurement. Two types of solution-processed interfaces, polymer hole-tran…