Jinqiu Xu
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View article: Achieving 19% efficiency in non-fused ring electron acceptor solar cells via solubility control of donor and acceptor crystallization
Achieving 19% efficiency in non-fused ring electron acceptor solar cells via solubility control of donor and acceptor crystallization Open
Non-fused ring electron acceptors (NFREAs) potentially have lower synthetic costs than their fused counterparts. However, the low backbone planarity and the presence of bulky substituents adversely affect the crystallinity of NFREAs, imped…
View article: High-temperature low-humidity proton exchange membrane with “stream-reservoir” ionic channels for high-power-density fuel cells
High-temperature low-humidity proton exchange membrane with “stream-reservoir” ionic channels for high-power-density fuel cells Open
The perfluorosulfonic acid (PFSA) proton exchange membrane (PEM) is the key component for hydrogen fuel cells (FCs). We used in situ synchrotron scattering to investigate the PEM morphology evolution and found a “stream-reservoir” morpholo…
View article: The Crystalline Behavior and Device Function of Nonfullerene Acceptors in Organic Solar Cells
The Crystalline Behavior and Device Function of Nonfullerene Acceptors in Organic Solar Cells Open
The current research investigates the structure features and intermolecular interactions of nonfullerene acceptors (NFAs) in single crystal and thin films, as well as their solar cell applications. Guiding parameters and key intermolecular…
View article: The Molecular Ordering and Double‐Channel Carrier Generation of Nonfullerene Photovoltaics within Multi‐Length‐Scale Morphology
The Molecular Ordering and Double‐Channel Carrier Generation of Nonfullerene Photovoltaics within Multi‐Length‐Scale Morphology Open
The success of nonfullerene acceptor (NFA) solar cells lies in their unique physical properties beyond the extended absorption and suitable energy levels. The current study investigates the morphology and photophysical behavior of PBDB‐T d…
View article: Correlating Electronic Structure and Device Physics with Mixing Region Morphology in High‐Efficiency Organic Solar Cells
Correlating Electronic Structure and Device Physics with Mixing Region Morphology in High‐Efficiency Organic Solar Cells Open
The donor/acceptor interaction in non‐fullerene organic photovoltaics leads to the mixing domain that dictates the morphology and electronic structure of the blended thin film. Initiative effort is paid to understand how these domain prope…
View article: Spontaneous carrier generation and low recombination in high-efficiency non-fullerene solar cells
Spontaneous carrier generation and low recombination in high-efficiency non-fullerene solar cells Open
The spontaneous carrier generation process was identified in the Y6 acceptor with moderate quantum yields and extremely low recombination in optimized blends, which result in high efficiency and morphology tolerance.
View article: Design Rules of the Mixing Phase and Impacts on Device Performance in High-Efficiency Organic Photovoltaics
Design Rules of the Mixing Phase and Impacts on Device Performance in High-Efficiency Organic Photovoltaics Open
In nonfullerene acceptor- (NFA-) based solar cells, the exciton splitting takes place at both domain interface and donor/acceptor mixture, which brings in the state of mixing phase into focus. The energetics and morphology are key paramete…
View article: Capture the high-efficiency non-fullerene ternary organic solar cells formula by machine-learning-assisted energy-level alignment optimization
Capture the high-efficiency non-fullerene ternary organic solar cells formula by machine-learning-assisted energy-level alignment optimization Open
View article: High-efficiency organic solar cells with low voltage loss induced by solvent additive strategy
High-efficiency organic solar cells with low voltage loss induced by solvent additive strategy Open
View article: Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells
Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells Open
View article: Correction: Control of aggregation and dissolution of small molecule hole transport layers <i>via</i> a doping strategy for highly efficient perovskite solar cells
Correction: Control of aggregation and dissolution of small molecule hole transport layers <i>via</i> a doping strategy for highly efficient perovskite solar cells Open
Correction for ‘Control of aggregation and dissolution of small molecule hole transport layers via a doping strategy for highly efficient perovskite solar cells’ by Jazib Ali et al., J. Mater. Chem. C, 2019, 7, 11932–11942, DOI: 10.1039/C9…
View article: CCDC 1974016: Experimental Crystal Structure Determination
CCDC 1974016: 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 1974018: Experimental Crystal Structure Determination
CCDC 1974018: 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 1974017: Experimental Crystal Structure Determination
CCDC 1974017: 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: Unraveling the influence of non-fullerene acceptor molecular packing on photovoltaic performance of organic solar cells
Unraveling the influence of non-fullerene acceptor molecular packing on photovoltaic performance of organic solar cells Open
View article: Universal and versatile morphology engineering via hot fluorous solvent soaking for organic bulk heterojunction
Universal and versatile morphology engineering via hot fluorous solvent soaking for organic bulk heterojunction Open
View article: Unraveling the Influence of Non-Fullerene Acceptor Molecular&nbsp;Packing on Phovoltaic Performance of Organic Solar Cells
Unraveling the Influence of Non-Fullerene Acceptor Molecular Packing on Phovoltaic Performance of Organic Solar Cells Open
In non-fullerene organic solar cells (OSCs), the long-range structure ordering induced by end group π–π stacking of fused-ring non-fullerene acceptors is considered as the critical factor in realizing efficient charge transport and high po…
View article: CCDC 1987279: Experimental Crystal Structure Determination
CCDC 1987279: Experimental Crystal Structure Determination Open
View article: High‐Efficiency Organic Solar Cells with Wide Toleration of Active Layer Thickness
High‐Efficiency Organic Solar Cells with Wide Toleration of Active Layer Thickness Open
Industrial printing production of organic solar cells (OSCs) requires high power conversion efficiency (PCE) with wide toleration of active layer thickness. Herein, high‐efficiency thick‐film OSCs are demonstrated using a polymer fibril ne…
View article: An Optimized Fibril Network Morphology Enables High‐Efficiency and Ambient‐Stable Polymer Solar Cells
An Optimized Fibril Network Morphology Enables High‐Efficiency and Ambient‐Stable Polymer Solar Cells Open
Morphological stability is crucially important for the long‐term stability of polymer solar cells (PSCs). Many high‐efficiency PSCs suffer from metastable morphology, resulting in severe device degradation. Here, a series of copolymers is …
View article: Improving Efficiency and Stability of Perovskite Solar Cells Enabled by A Near-Infrared-Absorbing Moisture Barrier
Improving Efficiency and Stability of Perovskite Solar Cells Enabled by A Near-Infrared-Absorbing Moisture Barrier Open
View article: Optimized active layer morphology toward efficient and polymer batch insensitive organic solar cells
Optimized active layer morphology toward efficient and polymer batch insensitive organic solar cells Open
View article: Defect‐Passivation Using Organic Dyes for Enhanced Efficiency and Stability of Perovskite Solar Cells
Defect‐Passivation Using Organic Dyes for Enhanced Efficiency and Stability of Perovskite Solar Cells Open
Defect Passivation In article number 1900529, Qinye Bao and co-workers propose a strategy using abundant and color organic dyes as an additive to passivate defect states and to produce more n-type perovskite films, which remarkably increas…
View article: Efficient Organic Solar Cell with 16.88% Efficiency Enabled by Refined Acceptor Crystallization and Morphology with Improved Charge Transfer and Transport Properties
Efficient Organic Solar Cell with 16.88% Efficiency Enabled by Refined Acceptor Crystallization and Morphology with Improved Charge Transfer and Transport Properties Open
Single‐layered organic solar cells (OSCs) using nonfullerene acceptors have reached 16% efficiency. Such a breakthrough has inspired new sparks for the development of the next generation of OSC materials. In addition to the optimization of…
View article: Ferrocene as a highly volatile solid additive in non-fullerene organic solar cells with enhanced photovoltaic performance
Ferrocene as a highly volatile solid additive in non-fullerene organic solar cells with enhanced photovoltaic performance Open
Ferrocene was introduced as a solid additive in organic solar cells (OSCs). The use of ferrocene provides PM6:Y6 based device with improved performance and stability, demonstrating its great potential in the fabrication of efficient and st…
View article: Ternary Organic Solar Cells with Efficiency >16.5% Based on Two Compatible Nonfullerene Acceptors
Ternary Organic Solar Cells with Efficiency >16.5% Based on Two Compatible Nonfullerene Acceptors Open
A ternary structure has been demonstrated as being an effective strategy to realize high power conversion efficiency (PCE) in organic solar cells (OSCs); however, general materials selection rules still remain incompletely understood. In t…
View article: Aggregation‐Induced Multilength Scaled Morphology Enabling 11.76% Efficiency in All‐Polymer Solar Cells Using Printing Fabrication
Aggregation‐Induced Multilength Scaled Morphology Enabling 11.76% Efficiency in All‐Polymer Solar Cells Using Printing Fabrication Open
All‐polymer solar cells (all‐PSCs) exhibit excellent stability and readily tunable ink viscosity, and are therefore especially suitable for printing preparation of large‐scale devices. At present, the efficiency of state‐of‐the‐art all‐PSC…
View article: Understanding the effect of N2200 on performance of J71: ITIC bulk heterojunction in ternary non-fullerene solar cells
Understanding the effect of N2200 on performance of J71: ITIC bulk heterojunction in ternary non-fullerene solar cells Open
View article: Control of aggregation and dissolution of small molecule hole transport layers <i>via</i> a doping strategy for highly efficient perovskite solar cells
Control of aggregation and dissolution of small molecule hole transport layers <i>via</i> a doping strategy for highly efficient perovskite solar cells Open
Polymeric dopant strategy distinctly suppressed the molecular aggregations and surface dewetting of the NPB small molecule hole transport layer in perovskite photovoltaics.