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学者姓名:张彩霞
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Zinc oxide (ZnO) is used as an electron transport layer (ETL) in inverted organic solar cells (IOSCs) owing to its excellent performance, such as good light transmission and high conductivity, while its surface defects and photocatalytic properties limit the development of IOSCs. Herein, we apply an antioxidant, syringic acid (SA), to modify the surface of ZnO film, which observably improve the efficiency and stability of IOSCs. It is found that SA can effectively passivate the surface defects of ZnO and optimize surface morphology, as well as reduce the work function (WF) of ZnO resulting in an improvement of the charge transport of IOSCs. The power conversion efficiency (PCE) of PM6:Y6-based IOSCs is increased from 16.19 % to 18.18 %, it is the highest PCE values of the single-junction IOSCs based on PM6:Y6 system as reported. Meanwhile, the photostability of the device is markedly improved due to SA could suppress the photocatalytic of ZnO under the ultraviolet aging.
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Photostability' Inverted organic solar cells Photostability' Inverted organic solar cells Surface defects Surface defects Syringic acid Syringic acid Zinc oxide Zinc oxide
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GB/T 7714 | Zheng, Qiao , Guo, Zhaohuang , Zhuang, Jinyong et al. 18.18 % Efficiency of organic solar cells based on PM6:Y6 with Syringic acid modified ZnO [J]. | SURFACES AND INTERFACES , 2025 , 65 . |
MLA | Zheng, Qiao et al. "18.18 % Efficiency of organic solar cells based on PM6:Y6 with Syringic acid modified ZnO" . | SURFACES AND INTERFACES 65 (2025) . |
APA | Zheng, Qiao , Guo, Zhaohuang , Zhuang, Jinyong , Zhou, Ziqi , Wu, Jionghua , Deng, Hui et al. 18.18 % Efficiency of organic solar cells based on PM6:Y6 with Syringic acid modified ZnO . | SURFACES AND INTERFACES , 2025 , 65 . |
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Antimony sulfide (Sb2S3) thin film have a suitable band gap (1.73 eV) and high absorption coefficient, indicating potential prospects in indoor photovoltaics. The open-circuit voltage (VOC) attenuation under indoor weak light limits the performance and application, which is affected by the heterojunction interface quality. Hence, we propose a hole transport layer free Sb2S3 indoor photovoltaic cell using Li-doped TiO2 as the electron transport layer to overcome weak-light VOC loss. The Li-doped TiO2 films prepared by spray pyrolysis LiCl additive precursor reveal higher surface potentials, enhancing electron collections. The doped interface also promoted subsequent grain growth of Sb2S3 thin film. The champion device, configured as FTO/TiO2:Li/Sb2S3/Au, achieves an efficiency of 6.12% with an optimal Li doping ratio of 8% in the TiO2 layer. The Li introduction at the junction interface suppresses the photocarrier recombinations under indoor light, thus improving device performance. The indoor power conversion efficiency of the Li-TiO2 based Sb2S3 device reaches 12.7% under the irradiation of 1000-lux LED, showing 48% improvement compared with the undoped device. The Li-doped TiO2/Sb2S3 photovoltaic device demonstrates significant advantages, particularly in cold and monochromatic light conditions, opening new prospects for indoor application.
Keyword :
conversion efficiency conversion efficiency indoor photovoltaics indoor photovoltaics Li-doped TiO2 Li-doped TiO2 Sb2S3 Sb2S3 VOC improvement VOC improvement
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GB/T 7714 | Wu, Kefei , Deng, Hui , Feng, Xinxin et al. Suppressing weak-light voltage attenuation in Sb2S3 indoor photovoltaics using Li-doped TiO2 layer [J]. | NANO RESEARCH , 2025 , 18 (10) . |
MLA | Wu, Kefei et al. "Suppressing weak-light voltage attenuation in Sb2S3 indoor photovoltaics using Li-doped TiO2 layer" . | NANO RESEARCH 18 . 10 (2025) . |
APA | Wu, Kefei , Deng, Hui , Feng, Xinxin , Hong, Jinwei , Wang, Guidong , Ishaq, Muhammad et al. Suppressing weak-light voltage attenuation in Sb2S3 indoor photovoltaics using Li-doped TiO2 layer . | NANO RESEARCH , 2025 , 18 (10) . |
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The crystallization process plays a decisive role in fabricating efficient and flexible Cu2ZnSn(S, Se)4 (CZTSSe) thin film solar cells (TFSCs). However, the unknown difference of crystallization kinetics of CZTSSe films by different solution systems remains to be distinguished for efficient and flexible CZTSSe TFSCs. In this work, based on mainstream amine-thiol (AT) and 2-methoxyethanol (C3H8O2, MOE) solution systems, the crystallization kinetics of CZTSSe films and the photoelectronic properties of relevant flexible devices are well compared and studied. The results show that AT solution processed CZTSSe films form a bi-layer structure with bottom small grains under unidirectional grain growth mode, whereas there are large CZTSSe grains throughout the MOE solution processed CZTSSe film under bidirectional grain growth mode. In addition, significant composition deviation, undesirable band gap alignment, and carbon residues except for excellent flexibility and mechanical durability can be found in CZTSSe-AT films, while CZTSSe-MOE films possess well compositional uniformity, desirable band gap alignment and consistency with precursor solution. Finally, better heterojunction quality, lower interfacial defects concentration, free of direct carrier recombination path, smaller quasi neutral region width and fewer copper vacancy (VCu) defects lead to an evident increase of the short-circuit current density (JSC) for TFSC-MOE by 14.26%, which demonstrates a better carrier transportation and extraction ability. Meanwhile, the power conversion efficiency of MOE processed flexible CZTSSe TFSCs (9.92%) is enhanced by 8% compared to that of AT processed ones (9.18%). These results can offer a deeper understanding on crystallization kinetics of CZTSSe films, and offer solid theoretical reference for future efficient flexible CZTSSe TFSCs.
Keyword :
crystallization kinetics crystallization kinetics Cu2ZnSn(S, Se)4 Cu2ZnSn(S, Se)4 flexible flexible selenization selenization thin film solar cells thin film solar cells
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GB/T 7714 | Li, Yifan , Sun, Quanzhen , Xie, Weihao et al. Study on the crystallization kinetics variation induced by disparate liquid system: Leading to efficient carrier transportation of flexible CZTSSe solar cells [J]. | NANO RESEARCH , 2025 , 18 (10) . |
MLA | Li, Yifan et al. "Study on the crystallization kinetics variation induced by disparate liquid system: Leading to efficient carrier transportation of flexible CZTSSe solar cells" . | NANO RESEARCH 18 . 10 (2025) . |
APA | Li, Yifan , Sun, Quanzhen , Xie, Weihao , Zhang, Caixia , Deng, Hui , Wang, Weihuang et al. Study on the crystallization kinetics variation induced by disparate liquid system: Leading to efficient carrier transportation of flexible CZTSSe solar cells . | NANO RESEARCH , 2025 , 18 (10) . |
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The optimization of the back interface is an important means of improving the power conversion efficiency (PCE) of Cu2ZnSn(S,Se)4 (CZTSSe) solar cells. Here, a CuO sacrificial layer is introduced into the Mo/CZTSSe back interface to improve device efficiency. The insertion of the CuO sacrificial layer inhibits the formation of Sn(S,Se)2 secondary phases in the CZTSSe film. Meanwhile, the interfacial trap state (N IT) is reduced by about 22%. Furthermore, the 75 nm CuO sacrificial layer can reduce the thickness of the MoSe2 layer, leading to a 33.18 meV reduction in the back interfacial barrier. This design enhances the back interfacial transport characteristics and suppresses defects. Finally, the flexible CZTSSe solar cell achieve the efficiency of 10.57%.
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GB/T 7714 | Su, Zhenyi , Xie, Weihao , Sun, Quanzhen et al. Overcoming Back Interfacial Barrier Improves Flexible Cu2ZnSn(S,Se)4 Solar Cell Efficiency via CuO Sacrificial Layers [J]. | ACS MATERIALS LETTERS , 2025 , 7 (4) : 1329-1335 . |
MLA | Su, Zhenyi et al. "Overcoming Back Interfacial Barrier Improves Flexible Cu2ZnSn(S,Se)4 Solar Cell Efficiency via CuO Sacrificial Layers" . | ACS MATERIALS LETTERS 7 . 4 (2025) : 1329-1335 . |
APA | Su, Zhenyi , Xie, Weihao , Sun, Quanzhen , Li, Yifan , Zhong, Zhipan , Wang, Weihuang et al. Overcoming Back Interfacial Barrier Improves Flexible Cu2ZnSn(S,Se)4 Solar Cell Efficiency via CuO Sacrificial Layers . | ACS MATERIALS LETTERS , 2025 , 7 (4) , 1329-1335 . |
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A favorable back contact interface is essential for obtaining efficient flexible Cu2ZnSn(S, Se)4 (CZTSSe) thin film solar cells. Here, Mo/CZTSSe back interfaces are improved by treating Mo foil substrates with a plasma method. MoO3 layers are generated on the Mo foils substrates with the plasma treatment, enhancing the wettability of the substrate surfaces and thus promoting the grain growth of the CZTSSe films. The contact resistance and barrier height (Phi B) at the Mo/CZTSSe interface is decreased, enhancing the transport of the hole carrier. Moreover, the quality of the CZTSSe/CdS heterojunction is significantly improved owing to the modified CZTSSe absorber. Ultimately, the flexible CZTSSe solar cell has achieved a power conversion efficiency (PCE) of 10.59 % without antireflection coating. Benefiting from the positive modification at Mo/CZTSSe interface, the PCE of the flexible device still maintains 95.87 % of the initial PCE after bending 5000 times at the bending diameter of 2 cm. This simple and effective way of optimizing the back interface provides a new direction for the PCE improvement of the flexible CZTSSe solar cells.
Keyword :
Barrier height Barrier height Carrier transmission Carrier transmission Flexible CZTSSe solar cell Flexible CZTSSe solar cell Mo/CZTSSe back interface Mo/CZTSSe back interface Plasma treatment Plasma treatment
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GB/T 7714 | Zhang, Caixia , Xu, Wen , Sun, Quanzhen et al. Plasma treatment modifying back interface to achieve flexible Cu2ZnSn(S, Se)4 solar cells with 10.59% efficiency [J]. | APPLIED SURFACE SCIENCE , 2025 , 692 . |
MLA | Zhang, Caixia et al. "Plasma treatment modifying back interface to achieve flexible Cu2ZnSn(S, Se)4 solar cells with 10.59% efficiency" . | APPLIED SURFACE SCIENCE 692 (2025) . |
APA | Zhang, Caixia , Xu, Wen , Sun, Quanzhen , Zhong, Zhipan , Xie, Weihao , Li, Yifan et al. Plasma treatment modifying back interface to achieve flexible Cu2ZnSn(S, Se)4 solar cells with 10.59% efficiency . | APPLIED SURFACE SCIENCE , 2025 , 692 . |
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Lithium metal, distinguished by its low reduction potential and high theoretical capacity, is regarded as the optimal choice for the next generation of anode materials. However, the uneven deposition behavior of lithium metal anodes (LMAs) and their infinite volume change during repeated cycling significantly restrict their commercialization applications. Herein, a lithiophilic ZnCo2O4 nanowire-decorated three-dimensional conductive framework (ZCO@CP) was prepared by a simple hydrothermal annealing method and employed as a multifunctional interlayer for hyperstable LMAs. As a Li+ redistributor and lithiophilic host, the ZCO@CP interlayer can effectively reduce the nucleation barrier and enhance the rate of Li deposition. As a result, ZCO@CP-Li symmetric cells demonstrate superior long-term stability of Li plating/stripping over 1100 cycles at a high current density of 40 mA cm-2 and a high areal capacity of 10 mA h cm-2. Furthermore, ZCO@CP-Li//LFP full cells exhibit a high discharge capacity of 131.8 mA h g-1 after 200 cycles at 1 C, demonstrating excellent cycling stability. This work lays a foundation for the development of practical LMAs capable of operating at high current densities and large areal capacities.
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GB/T 7714 | Yang, Tengjun , Zheng, Wenrui , Xie, Yonghui et al. A lithiophilic bimetallic oxide interlayer enabling high-rate and dendrite-free lithium metal anodes [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2025 , 13 (21) : 15673-15679 . |
MLA | Yang, Tengjun et al. "A lithiophilic bimetallic oxide interlayer enabling high-rate and dendrite-free lithium metal anodes" . | JOURNAL OF MATERIALS CHEMISTRY A 13 . 21 (2025) : 15673-15679 . |
APA | Yang, Tengjun , Zheng, Wenrui , Xie, Yonghui , Zhang, Hong , Zhang, Caixia , Luo, Zhong-Zhen et al. A lithiophilic bimetallic oxide interlayer enabling high-rate and dendrite-free lithium metal anodes . | JOURNAL OF MATERIALS CHEMISTRY A , 2025 , 13 (21) , 15673-15679 . |
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The high photovoltaic conversion efficiency (PCE) of ternary organic solar cells (OSCs) based on PTB7-Th, PC71BM and IEICO-4F material is obtained, the short-circuit current density (J SC), fill factor (FF), and open-circuit voltage is 25.90 mA cm-2, 73.20% and 0.71 V, respectively. PCE is as high as 13.53%. It is the highest PCE of ternary OSCs based on PTB7-Th, PC71BM and IEICO-4F materials for all we know. The narrow bandgap material of IEICO-4F is deposited on PTB7-Th:PC71BM bulk heterojunction (BHJ) by layer-by-layer process. We constructed the dual bandgap active layer both BHJ and pseudo-planar heterojunction (P-PHJ), it could be defined as ternary BHJ/P-PHJ of OSCs. This type of OSCs is not only the complementary bandgap material of the active layer, but also increasing the donor/acceptor (D/A) interface. The excitons generation and collection of the device are increased leading a higher J SC and FF. The semitransparent OSCs (ST-OSCs) is prepared by varying the thickness of Ag electrode and PCE can reach 9.70%, and the average visible light transmittance and light use efficiency of ST-OSCs are improved effectively.
Keyword :
bulk heterojunction bulk heterojunction donor/acceptor interface donor/acceptor interface dual bandgap active layer dual bandgap active layer layer-by-layer layer-by-layer pseudo-planar heterojunction pseudo-planar heterojunction ternary organic solar cells ternary organic solar cells
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GB/T 7714 | Zheng, Qiao , Zhou, Hui , Guo, Zhaohuang et al. Improved performance of ternary organic solar cells based on both bulk and pseudo-planar heterojunction active layer [J]. | JOURNAL OF PHYSICS D-APPLIED PHYSICS , 2024 , 57 (31) . |
MLA | Zheng, Qiao et al. "Improved performance of ternary organic solar cells based on both bulk and pseudo-planar heterojunction active layer" . | JOURNAL OF PHYSICS D-APPLIED PHYSICS 57 . 31 (2024) . |
APA | Zheng, Qiao , Zhou, Hui , Guo, Zhaohuang , Zhuang, Jinyong , Deng, Hui , Wu, Jionghua et al. Improved performance of ternary organic solar cells based on both bulk and pseudo-planar heterojunction active layer . | JOURNAL OF PHYSICS D-APPLIED PHYSICS , 2024 , 57 (31) . |
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Efficient ternary organic solar cells were achieved by utilizing an ultra-narrow bandgap material, IEICO-4 F, mixed with the fullerene material PC71BM as the acceptor and PTB7-Th polymer as the donor. The different weights of IEICO-4 F were dropped into the active layer to adjust the ratio of acceptor and donor, optimizing the performance of the cells. The results showed the ternary organic solar cells with 10wt% IEICO-4 F could obtain a higher short-circuit current density resulting in the power conversion efficiency (PCE) up to 9.56%. MoO3/Ag/MoO3 as the transparent electrodes of the semitransparent organic solar cell (ST-OSCs) were prepared. The different thicknesses of Ag impacts on the performance of the ST-OSCs were investigated. The PCE of the ternary ST-OSCs was increased to 7.34% and the average visible light transmittance (AVT) was increased to 28.74% when Ag was 10 nm thickness. The ternary ST-OSCs presented both a good light transmittance and a high PCE. In addition, the light utilization efficiency of the ST-OSCs was increased to 2.1%, and the color reproduction index was improved too. The PCE and AVT of the ST-OSCs could improve simultaneously due to the appropriate ratio of the acceptor and donor as well as the optimized transparent electrodes.
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GB/T 7714 | Zheng, Qiao , Zhou, Hui , Du, Shunli et al. Efficiency and average visible light transmittance improved simultaneously of the semitransparent organic solar cells [J]. | JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS , 2024 , 35 (6) . |
MLA | Zheng, Qiao et al. "Efficiency and average visible light transmittance improved simultaneously of the semitransparent organic solar cells" . | JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 35 . 6 (2024) . |
APA | Zheng, Qiao , Zhou, Hui , Du, Shunli , Chen, Pengsen , Huang, Jingang , Deng, Hui et al. Efficiency and average visible light transmittance improved simultaneously of the semitransparent organic solar cells . | JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS , 2024 , 35 (6) . |
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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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Perovskite solar cells (PSCs) efficiency has recently achieved significant advancements, surpassing the 26% threshold. Excessive PbI2, often used in high-efficiency PSCs, will also cause stability or defect problems. To address these challenges, we introduce anionic and cationic bifunctional additives to passivate PSCs synergistically. Phenylethylamine trifluoroacetate (PEATFA) is utilized as an additive to passivate the perovskite film. The PEA(+) cation facilitates the formation of two-dimensional perovskite while TFA(-) anion passivate the uncoordinated Pb2+ ions and iodine vacancies, enhancing perovskite crystal quality without excess PbI2. Furthermore, PEATFA modification optimizes the energy level matching between the perovskite and charge transfer layers, thereby enhancing charge transfer and extraction capabilities. Finally, the device achieves an impressive power conversion efficiency of 24.05% while exhibiting minimal hysteresis and good stability.
Keyword :
double-functional additive double-functional additive passivation defects passivation defects perovskite solar cells perovskite solar cells phenethylamine trifluoroacetate phenethylamine trifluoroacetate
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GB/T 7714 | Wu, Jionghua , Hang, Chenwang , Wang, Renjie et al. Double-functional additive strategy for efficient perovskite solar cells [J]. | SCIENCE CHINA-MATERIALS , 2024 , 67 (8) : 2628-2636 . |
MLA | Wu, Jionghua et al. "Double-functional additive strategy for efficient perovskite solar cells" . | SCIENCE CHINA-MATERIALS 67 . 8 (2024) : 2628-2636 . |
APA | Wu, Jionghua , Hang, Chenwang , Wang, Renjie , Zheng, Qiao , Deng, Hui , Zhang, Caixia et al. Double-functional additive strategy for efficient perovskite solar cells . | SCIENCE CHINA-MATERIALS , 2024 , 67 (8) , 2628-2636 . |
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