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学者姓名：魏明灯
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Abstract ：
2D perovskite materials are ideal candidates for indoor photovoltaic (IPV) applications due to their tunable bandgap, high absorption coefficients, and enhanced stability. However, attaining uniform crystallization and overcoming low carrier mobility remain key challenges for 2D perovskites, limiting their overall performance. In this study, a 2D perovskite light-absorbing layer is constructed using a Dion-Jacobson (DJ)-phase EDA(FA)(4)Pb5I16 (n = 5) and introduced butylammonium iodide (BAI) for interface modification, thereby creating a novel DJ/Ruddlesden-Popper (RP) dual 2D perovskite heterostructure. By adjusting the thickness of the BAI-based perovskite layer, the relationship between interfacial defect states and carrier mobility is investigated under varying indoor light intensities. The results indicate that, by achieving a balance between interfacial defect passivation and carrier transport, the optimized 2D perovskite device reaches a power conversion efficiency (PCE) of 30.30% and an open-circuit voltage (V-OC) of 936 mV under 1000 lux (3000 K LED). 2D-DJ/RP perovskite IPV exhibits a twentyfold increase in T-90 lifetime compared to 3D perovskite devices. It is the first time to systematically study 2D perovskites in IPV applications, demonstrating that rationally designed and optimized 2D perovskites hold significant potential for fabricating high-performance indoor PSCs.
Keyword ：
2D perovskite solar cells 2D perovskite solar cells carrier transport carrier transport defect passivation defect passivation dual-phase 2D perovskite heterostructures dual-phase 2D perovskite heterostructures indoor photovoltaic indoor photovoltaic
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| GB/T 7714 | Wang, Renjie , Wu, Jionghua , Zheng, Qiao et al. Stable and Efficient Indoor Photovoltaics Through Novel Dual-Phase 2D Perovskite Heterostructures [J]. | ADVANCED MATERIALS , 2025 , 37 (18) . |
| MLA | Wang, Renjie et al. "Stable and Efficient Indoor Photovoltaics Through Novel Dual-Phase 2D Perovskite Heterostructures" . | ADVANCED MATERIALS 37 . 18 (2025) . |
| APA | Wang, Renjie , Wu, Jionghua , Zheng, Qiao , Deng, Hui , Wang, Weihuang , Chen, Jing et al. Stable and Efficient Indoor Photovoltaics Through Novel Dual-Phase 2D Perovskite Heterostructures . | ADVANCED MATERIALS , 2025 , 37 (18) . |
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A simple route was applied to obtain Bi nanodiscs embedded into tannic acid (TA) derived carbon (Bi@TAC) by calcining Bi2O3@TA precursors. As a result, the Bi@TAC electrode showed an impressive rate capability (a current density ranging from 0.2 to 10 A g-1 with 95% capacity retention) and a long-term cycling performance (414.8 mA h g-1 after 10 000 cycles at 5 A g-1).
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| GB/T 7714 | Zhang, Xiangyu , Zheng, Manyi , Wu, Chunzheng et al. Tannic acid-derived carbon-coated Bi nanodiscs for high-performance sodium-ion batteries [J]. | CHEMICAL COMMUNICATIONS , 2025 , 61 (29) : 5483-5486 . |
| MLA | Zhang, Xiangyu et al. "Tannic acid-derived carbon-coated Bi nanodiscs for high-performance sodium-ion batteries" . | CHEMICAL COMMUNICATIONS 61 . 29 (2025) : 5483-5486 . |
| APA | Zhang, Xiangyu , Zheng, Manyi , Wu, Chunzheng , Li, Sha , Li, Bing , Guo, Jianzhong et al. Tannic acid-derived carbon-coated Bi nanodiscs for high-performance sodium-ion batteries . | CHEMICAL COMMUNICATIONS , 2025 , 61 (29) , 5483-5486 . |
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Within the family of halide solid electrolytes (SEs), Li2ZrCl6 demonstrates high oxidative stability, cost-effectiveness, and mechanical deformability, positioning it as a promising candidate for SEs. However, the application of Li2ZrCl6 as a SEs was hindered by its low ionic conductivity at room temperature. Current strategies to enhance the ionic conductivity of Li2ZrCl6 primarily are focused on single cation or anion sublattice-engineering, each with distinct advantages and limitations. Here, we propose a novel cation and anion-sublattice-engineering strategy, termed CASE, to increase the amorphous content and thus enhance ionic conductivity. The incorporation of Cu2+ and O2- induces distinctive structural modifications within Li2ZrCl6. This structure corroborated through analytic data of X-ray absorption spectroscopy, the neutron diffraction, and ab initio molecular dynamics. Consequently, the amorphous Li2.1Zr0.95Cu0.05Cl4.4O0.8 achieves an enhanced ionic conductivity of 2.05 mS cm-1 at 25 degrees C. Furthermore, all-solid-state lithium batteries utilizing the amorphous Li2.1Zr0.95Cu0.05Cl4.4O0.8 as an electrolyte and LiNi0.83Co0.11Mn0.06O2 as a cathode exhibit a superior long-term cycling stability retaining 90.3% of capacity after 1000 cycles at 2 C under room temperature, which are much higher than those of Zr-based halide electrolytes in publications. Such a result might stimulate the development of more amorphous structures with high ionic conductivity in the CASE strategy.
Keyword ：
Cation-anion sublattice engineering Cation-anion sublattice engineering Electrochemical property Electrochemical property Halide solid electrolytes Halide solid electrolytes Ionic conductivity all-solid-state lithium batteries Ionic conductivity all-solid-state lithium batteries
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| GB/T 7714 | Li, Zongnan , Mu, Yongbiao , Lu, Kunxi et al. Cation-Anion-Engineering Modified Oxychloride Zr-Based Lithium Superionic Conductors for All-Solid-State Lithium Batteries [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 . |
| MLA | Li, Zongnan et al. "Cation-Anion-Engineering Modified Oxychloride Zr-Based Lithium Superionic Conductors for All-Solid-State Lithium Batteries" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2025) . |
| APA | Li, Zongnan , Mu, Yongbiao , Lu, Kunxi , Kang, Guojian , Yang, Ting , Huang, Shuping et al. Cation-Anion-Engineering Modified Oxychloride Zr-Based Lithium Superionic Conductors for All-Solid-State Lithium Batteries . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 . |
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| GB/T 7714 | Chen, Xu-Dong , Zhao, Si , Feng, Xin-Fu et al. Dendrite-free Mg-MOF-based all-solid-state lithium metal batteries with superior cycle life [J]. | RARE METALS , 2025 , 44 (4) : 2805-2814 . |
| MLA | Chen, Xu-Dong et al. "Dendrite-free Mg-MOF-based all-solid-state lithium metal batteries with superior cycle life" . | RARE METALS 44 . 4 (2025) : 2805-2814 . |
| APA | Chen, Xu-Dong , Zhao, Si , Feng, Xin-Fu , Huang, Jin , Wang, Yan , Qiu, Zhen-Chun et al. Dendrite-free Mg-MOF-based all-solid-state lithium metal batteries with superior cycle life . | RARE METALS , 2025 , 44 (4) , 2805-2814 . |
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Ultraviolet (UV)-induced damage and limited solar spectrum utilization often hinder the performance of perovskite solar cells (PSCs). Here, a thermally activated delayed fluorescent (TADF) molecule, 4CzIPN, is introduced to address these challenges. Acting as a down-conversion agent, 4CzIPN can convert UV light to visible light via Forster energy transfer, enhancing light absorption and reducing photon loss. Additionally, it can bind Pb2+ defects and prevents organic cation degradation through cationic it-effects, stabilizing the perovskite structure. By serving as a crystal growth site, 4CzIPN can promote intermediate phase formation and delay the crystallization process, and improve film quality while mitigating residual stress due to its high thermal expansion coefficient. Furthermore, its UV filtration and hydrophobic properties would reduce perovskite decomposition and device degradation. These advancements yield a device with a remarkable power conversion efficiency (PCE) of 24.23 % and enhanced optoelectronic properties. The modified device demonstrates outstanding moisture and UV light stability, retaining 90 % of its initial efficiency after 1680 h under ambient conditions (25 +/- 5 degrees C, 15 +/- 5 % RH) without any encapsulation.
Keyword ：
4CzIPN 4CzIPN Crystallization Crystallization Forster energy transfer Forster energy transfer Perovskite solar cells Perovskite solar cells UV stability UV stability
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| GB/T 7714 | Hu, Ping , Zhang, Liujiang , Yang, Ruoxin et al. Energy transfer strategy inspired by TADF molecules for efficient and UV-Robust perovskite solar cells [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 513 . |
| MLA | Hu, Ping et al. "Energy transfer strategy inspired by TADF molecules for efficient and UV-Robust perovskite solar cells" . | CHEMICAL ENGINEERING JOURNAL 513 (2025) . |
| APA | Hu, Ping , Zhang, Liujiang , Yang, Ruoxin , Guo, Rongen , Gao, Xingyu , Wei, Mingdeng et al. Energy transfer strategy inspired by TADF molecules for efficient and UV-Robust perovskite solar cells . | CHEMICAL ENGINEERING JOURNAL , 2025 , 513 . |
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The optimization of interfacial properties between the perovskite layer and the electron-transporting layer (ETL) is always a vital approach to reduce the defects for improving the photovoltaic performance of the perovskite solar cells (PSCs). Herein, nanomaterials of tunable photoluminescent nitrogen-doped graphene quantum dots (TP-N-GQDs) were prepared though a facile solid-phase microwave-assisted (SPMA) method in the presence of citric acid by adding urea as a nitrogen precursor. Leveraging the synergistic effect of N-GQDs along with the tunable photoluminescent property at the interface of PSCs proved to be an efficient strategy for enhancing the light-harvesting capability and facilitating the charge transportation simultaneously, which leads to an overall improvement of the PSC performance. Moreover, the electron-rich pyridinic nitrogen within TP-N-GQDs acted as a Lewis base, coordinating with Pb2+ ions in perovskite and forming coordination bonds by sharing electron pairs, thereby decreasing the density of defects at the interface and the nonradiative recombination of the photogenerated carriers. Consequently, through the optimization of the nitrogen doping ratio of TP-N-GQDs, PSCs with areas of 0.09 and 1 cm(2) achieved maximum power conversion efficiencies (PCEs) of 21.98 and 17.12%, respectively. Additionally, TP-N-GQD passivation significantly enhanced the long-term stability of the device. The unencapsulated TP-N-GQD-modified device could sustain about 83% of its initial PCE afterward for 30 days of storage in air (25 +/- 5 degrees C, RH 25 +/- 5%).
Keyword ：
charge transportation charge transportation interfacial modification interfacial modification nitrogen-dopedGQDs nitrogen-dopedGQDs reducing defectdensity reducing defectdensity tunable photoluminescent tunable photoluminescent
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| GB/T 7714 | Shen, Deli , Lan, Tongbin , Qiao, Dongxu et al. Tunable Photoluminescent Nitrogen-Doped Graphene Quantum Dots at the Interface for High-Efficiency Perovskite Solar Cells [J]. | ACS APPLIED NANO MATERIALS , 2024 , 7 (2) : 2232-2243 . |
| MLA | Shen, Deli et al. "Tunable Photoluminescent Nitrogen-Doped Graphene Quantum Dots at the Interface for High-Efficiency Perovskite Solar Cells" . | ACS APPLIED NANO MATERIALS 7 . 2 (2024) : 2232-2243 . |
| APA | Shen, Deli , Lan, Tongbin , Qiao, Dongxu , Guo, Minghuang , Zuo, Juan , Gu, Siyong et al. Tunable Photoluminescent Nitrogen-Doped Graphene Quantum Dots at the Interface for High-Efficiency Perovskite Solar Cells . | ACS APPLIED NANO MATERIALS , 2024 , 7 (2) , 2232-2243 . |
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Silicon-based anodes heavily depend on the binder to preserve the unbroken electrode structure. In the present work, natural flaxseed gum (FG) is used as a binder of silicon nanoparticles (SiNPs) anode for the first time. Owing to a large number of polar groups and a rich branched structure, this material not only anchors tightly to the surface of SiNPs through bonding interactions but also formed a hydrogen bonding network structure among molecules. As a result, the FG binder can endow the silicon electrode with stable interfacial adhesion and outstanding mechanical properties. In addition, FG with a high viscosity facilitates the homogeneous dispersion of the electrode components. When FG is used as a binder, the cycling performance of the Si anode is greatly improved. After one hundred cycles at an applied current density of 1 A g-1, the electrode continues to display remarkable electrochemical properties with a significant cyclic capacity (2213 mA h g-1) and initial Coulombic efficiency (ICE) of 89.7%. FG is used as a silicon-based anode binder for lithium-ion batteries for the first time. As FG possesses abundant polar groups and branched chains, it enhances the mechanical properties of the silicon electrode and greatly improves the cycling stability of the silicon electrode. image
Keyword ：
binder binder flaxseed gum flaxseed gum high-branched structure high-branched structure lithium-ion batteries lithium-ion batteries silicon-based anode silicon-based anode
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| GB/T 7714 | Zhou, Wenbo , Zhang, Renwei , Yu, Shijie et al. High-Branched Natural Polysaccharide Flaxseed Gum Binder for Silicon-Based Lithium-Ion Batteries with High Capacity [J]. | SMALL , 2024 , 20 (36) . |
| MLA | Zhou, Wenbo et al. "High-Branched Natural Polysaccharide Flaxseed Gum Binder for Silicon-Based Lithium-Ion Batteries with High Capacity" . | SMALL 20 . 36 (2024) . |
| APA | Zhou, Wenbo , Zhang, Renwei , Yu, Shijie , Peng, Zexuan , Zuo, Caixin , Yang, Wenjuan et al. High-Branched Natural Polysaccharide Flaxseed Gum Binder for Silicon-Based Lithium-Ion Batteries with High Capacity . | SMALL , 2024 , 20 (36) . |
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The Li-S battery has garnered widespread attention as an intriguing new energy storage equipment due to its remarkable energy density and low cost. Nevertheless, the infamous shuttle effect seriously hinders the commercialization process. In order to address this issue, this study rationally synthesizes the composites comprising Keggin-type polyoxometalate and Co nanoparticles, which are then coated on a pristine polypropylene separator. The modified separator can greatly inhibit lithium polysulfide shuttling, thereby leading to a greatly improved electrochemical performance. At the first cycle, the fabricated Li-S battery exhibits a specific discharge capacity of 1335.7 mA h g(-1), surpassing the 938.7 mA h g(-1) capacity of an unmodified separator. At a current density of 1C, the initial reversible discharge capacity reaches 988.2 mA h g(-1), and even after 500 cycles, it still retains a remaining capacity of 664.2 mA h g(-1), with a capacity decay rate of 0.066% per cycle. Even at a high sulfur loading of 4.2 mg cm(-2), the device displays a remarkable initial discharge capacity of 1158.2 mA h g(-1), with a remaining capacity of 952.7 mA h g(-1) after 70 cycles (0.1C). This significant performance enhancement could be ascribed to the synergistic effect of PMo12/Co-NCe, which exhibits greatly decreased electron transfer resistance and contact angle to the electrolyte, facilitating the rapid transport of Li-ion and kinetics. Meanwhile, the severe shuttle effect is alleviated effectively by combining the strong catalytic activity of PMo12 and Co nanoparticles with long-chain polysulfides.
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| GB/T 7714 | Sun, Yuxuan , Wu, Chenchen , Xia, Yuxun et al. Keggin-Type Polyoxometalate and Co Nanoparticles Codecorated Separator for High-Performance Lithium-Sulfur Battery [J]. | CRYSTAL GROWTH & DESIGN , 2024 , 24 (9) : 3746-3755 . |
| MLA | Sun, Yuxuan et al. "Keggin-Type Polyoxometalate and Co Nanoparticles Codecorated Separator for High-Performance Lithium-Sulfur Battery" . | CRYSTAL GROWTH & DESIGN 24 . 9 (2024) : 3746-3755 . |
| APA | Sun, Yuxuan , Wu, Chenchen , Xia, Yuxun , Li, Yafeng , Wei, Mingdeng . Keggin-Type Polyoxometalate and Co Nanoparticles Codecorated Separator for High-Performance Lithium-Sulfur Battery . | CRYSTAL GROWTH & DESIGN , 2024 , 24 (9) , 3746-3755 . |
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Perovskite solar cells have gradually become the most attractive alternative for next-generation photovoltaic devices due to their excellent photovoltaic conversion efficiencies and low manufacturing costs. Defect engineering is an essential topic for improving the performance of perovskite devices. In this study, we utilize a bifunctional alkylamine sulfonate to modify the perovskite interfaces. The TsO- of sulfonates coordinates with Pb2+, while -NH2 of alkylamine forms hydrogen bonds with iodine, which reduces charge recombination and improves energy level arrangement. The molecular size and the alkylamine's dielectric constant significantly influence the interface modification performance. For the champion device with BATsO treatment, there is an enhancement in both the fill factor and the open-circuit voltage, resulting in a power conversion efficiency (PCE) of 23.53%. After 400 h of working condition, the device maintains roughly 90.40% of its initial efficiency. Therefore, this study postulates that modifying bifunctional alkylamine sulfonates could effectively enhance the PSC's performance.
Keyword ：
Double -functional additive Double -functional additive Passivation defects Passivation defects Perovskite solar cells Perovskite solar cells
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| GB/T 7714 | Huang, Shaobiao , Wang, Renjie , Zheng, Qiao et al. Optimal interfacial engineering with different bifunctional alkylamine sulfonates for efficient perovskite solar cells [J]. | SOLAR ENERGY MATERIALS AND SOLAR CELLS , 2024 , 270 . |
| MLA | Huang, Shaobiao et al. "Optimal interfacial engineering with different bifunctional alkylamine sulfonates for efficient perovskite solar cells" . | SOLAR ENERGY MATERIALS AND SOLAR CELLS 270 (2024) . |
| APA | Huang, Shaobiao , Wang, Renjie , Zheng, Qiao , Deng, Hui , Zhang, Caixia , Wang, Weihuang et al. Optimal interfacial engineering with different bifunctional alkylamine sulfonates for efficient perovskite solar cells . | SOLAR ENERGY MATERIALS AND SOLAR CELLS , 2024 , 270 . |
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Spiro-OMeTAD, as a crucial component of hole-transporting layer (HTL), exhibits limited mobility and conductivity, and the lithium bis-trifluoromethanesulfonimide dopant is sensitive to water vapor, which imposes restrictions on the photovoltaic properties of perovskite solar cells (PSCs). Herein, the iron-porphyrin (FePP) is introduced into Spiro-OMeTAD solution as additive, which facilitates the oxidation process of Spiro-OMeTAD, leading to the enhancement of hole mobility and hole extraction and transport. Besides, the surface Pb2+ defects of perovskite film are cured by the presence of carboxylic acids (-COOH) in FePP. As a result, the photovoltaic properties of PSCs with FePP additive have been improved with a power conversion efficiency (PCE) of 21.58%. Moreover, FePP can further anchor Li+ ions in HTL to prevent it from being invaded by water vapor. Dramatically, the degradation of unencapsulated devices with FePP is suppressed significantly, which retains 82.0% of its original PCE under 10-20% relative humidity (RH) after 7100 h and maintains about 79.6% of its original PCE under 50-60% RH after 1000 h. Thus, this study shows that the design and development of multifunctional HTL additives holds great potential for achieving highly efficient and durable PSCs. The iron-porphyrin additive can not only promote the oxidation of Spiro-OMeTAD and improve the extraction and transport of holes of HTL, but also passivate the Pb2+ defects of perovskite film and prevent the Li+ from being invaded by water vapor, which enhance the power conversion efficiency and stability of perovskite solar cells significantly.image (c) 2024 WILEY-VCH GmbH
Keyword ：
additives additives hole-transporting layers hole-transporting layers iron-porphyrin iron-porphyrin preoxidation preoxidation stability stability
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| GB/T 7714 | Guo, Minghuang , Liu, Chensi , Wu, Chenchen et al. Multifunctional Iron-Porphyrin Additive for Hole-Transporting Layer Toward Efficient and Stable Perovskite Solar Cells [J]. | SOLAR RRL , 2024 , 8 (8) . |
| MLA | Guo, Minghuang et al. "Multifunctional Iron-Porphyrin Additive for Hole-Transporting Layer Toward Efficient and Stable Perovskite Solar Cells" . | SOLAR RRL 8 . 8 (2024) . |
| APA | Guo, Minghuang , Liu, Chensi , Wu, Chenchen , Zhu, Jingwei , Hu, Ping , Li, Yafeng et al. Multifunctional Iron-Porphyrin Additive for Hole-Transporting Layer Toward Efficient and Stable Perovskite Solar Cells . | SOLAR RRL , 2024 , 8 (8) . |
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