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学者姓名：邓辉
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新型无机硫属化合物主要包括铜锌锡硫硒(CZTSSe)、硫硒化锑等材料，它们具有物相稳定、无毒环保、价格低廉等优势受到广泛关注，其带隙 1.1-1.7 eV可调，吸收系数高，在薄膜太阳电池和光电器件上具有重要的应用前景.近年来，铜基和锑基薄膜太阳电池都取得重要的进展，光电转换效率获得大幅提升，进一步提升器件性能并开拓新的应用场景，有望实现产业化.
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| GB/T 7714 | 孙全震 , 邓辉 , 程树英 . 新型无机硫属化合物薄膜太阳电池及光电应用 [C] //第三届全国太阳能电池材料与器件发展研讨会论文集 . 2025 : 44-45 . |
| MLA | 孙全震 等. "新型无机硫属化合物薄膜太阳电池及光电应用" 第三届全国太阳能电池材料与器件发展研讨会论文集 . (2025) : 44-45 . |
| APA | 孙全震 , 邓辉 , 程树英 . 新型无机硫属化合物薄膜太阳电池及光电应用 第三届全国太阳能电池材料与器件发展研讨会论文集 . (2025) : 44-45 . |
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Encapsulation is a critical strategy for mitigating the instability of perovskites, which remains the primary challenge for their commercialization. Traditional encapsulation adhesives, such as ethylene vinyl acetate and epoxy resin, are constrained by high-temperature processes and potential chemical reactions that can impair the efficiency of perovskite devices. The use of vacuum silicone grease, primarily composed of polydimethylsiloxane (PDMS), not only shields the perovskite devices from moisture and oxygen but also significantly enhances their power conversion efficiency from 23.91% to 25.34%. Further investigations reveal that this improvement can be attributed to the formation of coordination bonds between the oxygen atoms in PDMS and lead within the perovskite structure. This mechanism boosts efficiency and inhibits the formation of Pb0 defects, significantly contributing to efficiency loss and instability. A ten-fold increase in stability is observed at approximate to 90% humidity, underscoring its potential as a low-temperature, non-damaging, and effective encapsulation method for enhancing the stability and performance of perovskite solar cells.
Keyword ：
defect suppression defect suppression encapsulation encapsulation PDMS PDMS perovskite solar cells perovskite solar cells stability stability
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| GB/T 7714 | Wu, Jionghua , Lan, Junxing , Wang, Renjie et al. Low-Temperature Encapsulation with Silicone Grease Enhances Efficiency and Stability of Perovskite Solar Cells via Pb0 Defect Passivation [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Wu, Jionghua et al. "Low-Temperature Encapsulation with Silicone Grease Enhances Efficiency and Stability of Perovskite Solar Cells via Pb0 Defect Passivation" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Wu, Jionghua , Lan, Junxing , Wang, Renjie , Cheng, Can , Wang, Weihuang , Deng, Hui et al. Low-Temperature Encapsulation with Silicone Grease Enhances Efficiency and Stability of Perovskite Solar Cells via Pb0 Defect Passivation . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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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.
Keyword ：
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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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 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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High performances of Cu2ZnSn(S,Se)4 (CZTSSe) solar cells are heavily influenced by the quality of heterojunctions. Herein, an oxygen (O) doping of CZTSSe/CdS heterojunction is performed to suppress the formation of the defects by an ultraviolet ozone (UV-O3) treatment for the efficient flexible CZTSSe solar cells. The introduction of O reduces the non-radiative recombination and increases the carrier concentration of the CdS films. Furthermore, the defect density of the CdS film has been reduced from 8.24 x 1016 to 2.91 x 1016 cm-3 by the O-doping. The results indicate that the electron transport is effectively promoted due to the decreased conduction band offset (CBO) at the heterojunction interface. As a result, the champion flexible CZTSSe solar cell achieves a power conversion efficiency (PCE) of 11.21%, with a significantly improved short circuit current density. The study for improving the CZTSSe/CdS heterojunction through O-doping treatment provides a new insight for enhancing the PCE of the flexible CZTSSe solar cells. (c) 2025 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights are reserved, including those for text and data mining, AI training, and similar technologies.
Keyword ：
Flexible CZTSSe solar cells Flexible CZTSSe solar cells O -doping O -doping Sulfur vacancy defects passivation Sulfur vacancy defects passivation UV-O 3 treatment UV-O 3 treatment
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| GB/T 7714 | Zhang, Yuheng , Wang, Weihuang , Sun, Quanzhen et al. Flexible CZTSSe solar cells with 11.21% efficiency enabled by O-doped CZTSSe/CdS heterojunction [J]. | JOURNAL OF ENERGY CHEMISTRY , 2025 , 105 : 806-813 . |
| MLA | Zhang, Yuheng et al. "Flexible CZTSSe solar cells with 11.21% efficiency enabled by O-doped CZTSSe/CdS heterojunction" . | JOURNAL OF ENERGY CHEMISTRY 105 (2025) : 806-813 . |
| APA | Zhang, Yuheng , Wang, Weihuang , Sun, Quanzhen , Xie, Weihao , Li, Yifan , Su, Zhenyi et al. Flexible CZTSSe solar cells with 11.21% efficiency enabled by O-doped CZTSSe/CdS heterojunction . | JOURNAL OF ENERGY CHEMISTRY , 2025 , 105 , 806-813 . |
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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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