Ergang Wang
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View article: Organic Solar Cells with 20.12% Efficiency Enabled by Monosubstituted Carbazole-Based Self-Assembled Monolayers
Organic Solar Cells with 20.12% Efficiency Enabled by Monosubstituted Carbazole-Based Self-Assembled Monolayers Open
View article: Thiadiazolobenzotriazole-Based Donor–Acceptor Terpolymers That Can Be Processed from Green Solvents and Deliver 950 nm Emission in Light-Emitting Electrochemical Cells
Thiadiazolobenzotriazole-Based Donor–Acceptor Terpolymers That Can Be Processed from Green Solvents and Deliver 950 nm Emission in Light-Emitting Electrochemical Cells Open
Organic semiconductors that deliver emission with a wavelength exceeding 900 nm can enable a wide range of applications, but the unfortunate fact is that only a small number of such emitters have been synthesized and have demonstrated emis…
View article: Mitigating Dark Current in Photomultiplication Organic Photodetectors via the Charge Trap Gradient Bulk Heterojunction
Mitigating Dark Current in Photomultiplication Organic Photodetectors via the Charge Trap Gradient Bulk Heterojunction Open
Photomultiplication-type organic photodetectors (PM-OPDs) with dispersed electron or hole traps in a bulk heterojunction (BHJ) have external quantum efficiency far exceeding unity. However, it typically requires a very low donor-to-accepto…
View article: Synergistically improving open-circuit voltage and fill factor via utilizing a natural pigment as efficient interconnect layer for high-performance perovskite-organic tandem solar cells
Synergistically improving open-circuit voltage and fill factor via utilizing a natural pigment as efficient interconnect layer for high-performance perovskite-organic tandem solar cells Open
View article: Highly Efficient Platinum‐Free Photocatalytic Hydrogen Evolution From Low‐cost Conjugated Polymer Nanoparticles
Highly Efficient Platinum‐Free Photocatalytic Hydrogen Evolution From Low‐cost Conjugated Polymer Nanoparticles Open
While the interest in hydrogen photocatalysis from organic semiconductors is rapidly growing, there is a necessity to achieve hydrogen production without platinum (Pt), considering its price, availability and toxicity. In this work, this i…
View article: Multiscale modeling of structural disorder and environmental effects on the ground and excited states properties of a conjugated donor–acceptor polymer in the bulk phase
Multiscale modeling of structural disorder and environmental effects on the ground and excited states properties of a conjugated donor–acceptor polymer in the bulk phase Open
We herein undertook a multiscale approach combining molecular dynamics (MD) simulations of solution-processed polymer bulk with sequential quantum mechanics/molecular mechanics (s-QM/MM) calculations to assess the influence of structural d…
View article: Wearable PEDOT:PSS/DVS‐Coated Yarn‐Type Transpiration‐Driven Electrokinetic Power Generator with High Power Efficiency and Water Stability
Wearable PEDOT:PSS/DVS‐Coated Yarn‐Type Transpiration‐Driven Electrokinetic Power Generator with High Power Efficiency and Water Stability Open
Hydrovoltaic nanogenerators, which harness small quantities of water to generate power, are gaining considerable attention for applications in next‐generation wearable electronics. Conventional hydrovoltaic nanogenerators are constrained b…
View article: Conjugated D–A Polymers to Integrate the Through‐Bond and Through‐Space Charge Transfers to Boost the One‐For‐All Phototheranostics
Conjugated D–A Polymers to Integrate the Through‐Bond and Through‐Space Charge Transfers to Boost the One‐For‐All Phototheranostics Open
To achieve the efficient cancer therapy, one‐for‐all phototheranostics are highly important, but their engineering of agents is still challenging. Particularly, the balancing of emission and reactive oxygen species (ROS) generation is urge…
View article: Rational Design of Stable and Highly Active Ni Single-Atom Catalysts for Efficient Photocatalytic Hydrogen Production
Rational Design of Stable and Highly Active Ni Single-Atom Catalysts for Efficient Photocatalytic Hydrogen Production Open
Single-atom catalysts (SACs) represent a new hotspot and frontier in the field of catalysis, owing to their high atomic utilization and unique electronic structure. However, metal particles at the single-atom level are affected by the Gibb…
View article: Assessing Structural and Optical Properties of PTQ10-Based Donor Polymers in Solution for Eco-Friendly Photovoltaics: A Multiscale Modeling Study
Assessing Structural and Optical Properties of PTQ10-Based Donor Polymers in Solution for Eco-Friendly Photovoltaics: A Multiscale Modeling Study Open
Aqueous-processable materials are desired to produce and commercialize eco-friendly organic solar cells. Despite the achievement of developing aqueous soluble electron donor and acceptor polymers by incorporating polar side chains (SCs), t…
View article: Stability mechanism and ultrasonic destabilization mechanism of polymer waste drilling fluid
Stability mechanism and ultrasonic destabilization mechanism of polymer waste drilling fluid Open
Polymer waste drilling fluid has extremely high stability, and it is difficult to separate solid from liquid, which has become a key bottleneck problem restricting its resource recycling. This study aims to reveal the stability mechanism o…
View article: Vinyl‐Functionalized Linear Alkyl Chains in Nonfullerene Acceptors Enable 19.2% Efficiency and Stable As‐Cast Organic Solar Cells
Vinyl‐Functionalized Linear Alkyl Chains in Nonfullerene Acceptors Enable 19.2% Efficiency and Stable As‐Cast Organic Solar Cells Open
Developing efficient and stable as‐cast organic solar cells (OSCs) is imperative for alleviating costs and complexity for large‐scale commercial applications. Nevertheless, achieving the desired double‐fibril morphology of active layer thr…
View article: Dual Liquid Rubber Matrix Based Highly Efficient and Mechanically Robust Layer‐by‐Layer Organic Solar Cells
Dual Liquid Rubber Matrix Based Highly Efficient and Mechanically Robust Layer‐by‐Layer Organic Solar Cells Open
Developing organic solar cells (OSCs) simultaneously possessing high efficiency and robust mechanical properties is one of crucial tasks to ensure their operational reliability and applicability for emerging wearable devices. However, enha…
View article: Balance Processing and Molecular Packing via Structural Disordering in a Random Terpolymer for Over 19% Efficiency Non‐Halogenated Solvent Organic Solar Cells
Balance Processing and Molecular Packing via Structural Disordering in a Random Terpolymer for Over 19% Efficiency Non‐Halogenated Solvent Organic Solar Cells Open
Achieving commercial viability for organic solar cells (OSCs) requires non‐toxic, non‐halogenated solvent processing. However, poor solubility and suboptimal morphology of commonly used active layer materials have been limiting their non‐h…
View article: Acidochromic Behaviors of Indacenodithiophene-Based Conjugated Polymers Containing Azo, Imine, and Vinyl Bonds
Acidochromic Behaviors of Indacenodithiophene-Based Conjugated Polymers Containing Azo, Imine, and Vinyl Bonds Open
Acidochromic materials possess significant potential for the development of molecular switches, acid sensors, smart displays, and erasable/reprintable media. The semiconductive nature of conjugated polymers exhibiting such a behavior makes…
View article: Siloxane Decorated Water‐Obstructing Guest for Efficient Air‐Processed OSCs
Siloxane Decorated Water‐Obstructing Guest for Efficient Air‐Processed OSCs Open
The future applications of organic solar cells (OSCs) necessitate a thorough consideration of their ambient stability and processability, particularly for large area air‐processed engineering, but water‐induced degradation of active layer …
View article: Over 18% Efficiency from Halogen‐Free Solvent‐Processed Polymer Solar Cells Enabled by Asymmetric Small Molecule Acceptors with Fluoro‐Thienyl Extended Terminal
Over 18% Efficiency from Halogen‐Free Solvent‐Processed Polymer Solar Cells Enabled by Asymmetric Small Molecule Acceptors with Fluoro‐Thienyl Extended Terminal Open
The potential impact of end‐group (EG) in non‐fullerene acceptor (NFA) on enabling green solvent‐processable polymer solar cells (PSCs) remains underexplored, offering opportunities for advancements in environmentally friendly PSC developm…
View article: Natural Dextran as an Efficient Interfacial Passivator for ZnO‐Based Electron‐Transport Layers in Inverted Organic Solar Cells
Natural Dextran as an Efficient Interfacial Passivator for ZnO‐Based Electron‐Transport Layers in Inverted Organic Solar Cells Open
Compared to conventional organic solar cells (OSCs) with acidic PEDOT:PSS as the hole transport layer (HTL), inverted OSCs (i‐OSCs) with zinc oxide (ZnO) as the electron transport layer (ETL) display significant advantages in terms of high…
View article: Random Nitroxide Radical Conjugated Polymer Additives Enable 19.32% Efficiency of Organic Solar Cells
Random Nitroxide Radical Conjugated Polymer Additives Enable 19.32% Efficiency of Organic Solar Cells Open
View article: 20.5 % efficient ternary organic photovoltaics using an asymmetric small-molecular acceptor to manipulate intermolecular packing and reduce energy losses
20.5 % efficient ternary organic photovoltaics using an asymmetric small-molecular acceptor to manipulate intermolecular packing and reduce energy losses Open
View article: Effects of Alkyl Spacer Length in Carbazole‐Based Self‐Assembled Monolayer Materials on Molecular Conformation and Organic Solar Cell Performance
Effects of Alkyl Spacer Length in Carbazole‐Based Self‐Assembled Monolayer Materials on Molecular Conformation and Organic Solar Cell Performance Open
Carbazole‐based self‐assembled monolayer (SAM) materials as hole transport layers (HTL) have led organic solar cells (OSCs) to state‐of‐the‐art photovoltaic performance. Nonetheless, the impact of the alkyl spacer length of SAMs remains in…
View article: Front Cover: Steric hindrance induced low exciton binding energy enables low‐driving‐force organic solar cells
Front Cover: Steric hindrance induced low exciton binding energy enables low‐driving‐force organic solar cells Open
View article: Unveiling the Influence of Linkers on Conformations of Oligomeric Acceptors for High‐Performance Polymer Solar Cells
Unveiling the Influence of Linkers on Conformations of Oligomeric Acceptors for High‐Performance Polymer Solar Cells Open
Conformational isomerism of organic photovoltaic materials has a profound impact on their molecular packing and therefore performance of polymer solar cells (PSCs). However, the conformations of oligomeric acceptors (OAs) are mostly predic…
View article: Steric hindrance induced low exciton binding energy enables low‐driving‐force organic solar cells
Steric hindrance induced low exciton binding energy enables low‐driving‐force organic solar cells Open
Exciton binding energy ( E b ) has been regarded as a critical parameter in charge separation during photovoltaic conversion. Minimizing the E b of the photovoltaic materials can facilitate the exciton dissociation in low‐driving force org…
View article: Facile Synthesis of Organic–Inorganic Hybrid Heterojunctions of Glycolated Conjugated Polymer‐TiO<sub>2−X</sub> for Efficient Photocatalytic Hydrogen Evolution
Facile Synthesis of Organic–Inorganic Hybrid Heterojunctions of Glycolated Conjugated Polymer‐TiO<sub>2−X</sub> for Efficient Photocatalytic Hydrogen Evolution Open
The utilization of the organic–inorganic hybrid photocatalysts for water splitting has gained significant attention due to their ability to combine the advantages of both materials and generate synergistic effects. However, they are still …
View article: Steric Hindrance Induced Low Exciton Binding Energy Enables Low-Driving-Force Organic Solar Cells
Steric Hindrance Induced Low Exciton Binding Energy Enables Low-Driving-Force Organic Solar Cells Open
Exciton binding energy ( E ) has been regarded as a critical parameter in charge separation during photovoltaic conversion. Minimizing the E of the photovoltaic materials can facilitate the exciton dissociation in low-driving force organic…
View article: Perylene Diimide‐Based Low‐Cost and Thickness‐Tolerant Electron Transport Layer Enables Polymer Solar Cells Approaching 19% Efficiency
Perylene Diimide‐Based Low‐Cost and Thickness‐Tolerant Electron Transport Layer Enables Polymer Solar Cells Approaching 19% Efficiency Open
The materials for electron transport layers (ETLs) play a significant role in the performance of polymer solar cells (PSCs) but face challenges, such as low electron transport mobility and conductivity, low solution processibility, and ext…
View article: Recent Advances in the Synthesis of Conjugated Polymers for Supercapacitors
Recent Advances in the Synthesis of Conjugated Polymers for Supercapacitors Open
Conjugated polymers have attracted growing attention for versatile applications in energy storage due to their potential benefits including low‐cost processing, molecular tunability, environmental benignity, and high mechanical flexibility…
View article: Aqueous Processed All-Polymer Solar Cells with High Open-Circuit Voltage Based on Low-Cost Thiophene–Quinoxaline Polymers
Aqueous Processed All-Polymer Solar Cells with High Open-Circuit Voltage Based on Low-Cost Thiophene–Quinoxaline Polymers Open
Eco-friendly solution processing and the low-cost synthesis of photoactive materials are important requirements for the commercialization of organic solar cells (OSCs). Although varieties of aqueous-soluble acceptors have been developed, t…
View article: Mild and Efficient Extraction of Fluorescent <i>Chlorophyll a</i> from Spinach Leaves for Application as the Sustainable Emitter in Light‐Emitting Electrochemical Cells
Mild and Efficient Extraction of Fluorescent <i>Chlorophyll a</i> from Spinach Leaves for Application as the Sustainable Emitter in Light‐Emitting Electrochemical Cells Open
Natural pigments are sustainable compounds that can be employed as emitters, sensors and sensitisers in optoelectronics. The most abundant pigment, chlorophyll, offers advantages of easily available and plentiful feedstock, biodegradabilit…