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学者姓名：吴炯桦
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Abstract ：
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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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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Antimony selenosulfide (Sb-2(S,Se)(3)) solar cells have achieved an efficiency of over 10.0%. However, the uncontrollable hydrothermal process makes preparing high-quality Sb-2(S,Se)(3) thin films a bottleneck for efficient Sb-2(S,Se)(3) solar cell. To address this problem, triethanolamine (TEA) additive is innovatively utilized to regulate the reaction kinetic process of Sb-2(S,Se)(3) thin films in this work. The results show that TEA chelator can realize the time-domain control of the reaction process, optimizing the Se/(S+Se) elemental distribution of Sb-2(S,Se)(3) thin film and shrinking the bandgap offset of Sb-2(S,Se)(3) thin film. Meanwhile, the (021) and (061) crystal orientation of Sb-2(S,Se)(3) thin film are enhanced and the harmful V-Se1 defects in Sb-2(S,Se)(3) solar cells are passivated. Interestingly, a uniform back surface gradient for Sb-2(S,Se)(3) thin film is formed to reduce the minority carrier recombination at the back contact, increase the photocurrent and decrease the diode current of Sb-2(S,Se)(3) solar cells. Finally, the J(sc) and FF of Sb-2(S,Se)(3) solar cells are significantly improved by 8.6% and 5.5% respectively, and the open-circuit voltage deficit of the device is reduced by 44 mV, which leads to an efficiency of 9.94% which is the highest values of Sb-2(S,Se)(3) solar cells by sodium selenosulfate system.
Keyword ：
additive additive hydrothermal deposition hydrothermal deposition reaction kinetic reaction kinetic Sb-2(S, Se)(3) solar cells Sb-2(S, Se)(3) solar cells sodium selenosulfate sodium selenosulfate
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| GB/T 7714 | Zhu, Qiqiang , Wang, Weihuang , Chen, Zhirong et al. Fabricating High-Efficiency Sb2(S,Se)3 Solar Cells by Novel Additive-Assisted Longitudinal Component Engineering [J]. | SMALL , 2024 . |
| MLA | Zhu, Qiqiang et al. "Fabricating High-Efficiency Sb2(S,Se)3 Solar Cells by Novel Additive-Assisted Longitudinal Component Engineering" . | SMALL (2024) . |
| APA | Zhu, Qiqiang , Wang, Weihuang , Chen, Zhirong , Cao, Zixiu , Wang, Weiyu , Feng, Xinxin et al. Fabricating High-Efficiency Sb2(S,Se)3 Solar Cells by Novel Additive-Assisted Longitudinal Component Engineering . | SMALL , 2024 . |
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Antimony sulfide (Sb2S3) solar cells fabricated via hydrothermal deposition have attracted widespread attention. The annealing crystallization process plays a crucial role in achieving optimal crystallinity in hydrothermal Sb2S3 thin films. Nevertheless, incomplete crystallization and the loss of sulfur at high-temperature contribute to defect recombination, constraining device performance. Herein, a two-step rapid thermal processing (RTP) annealing strategy is proposed to improve the crystal quality and efficiency of Sb2S3 solar cells. The annealing process in Ar protection with atmospheric pressure can suppress S loss caused by saturated vapor pressure. The two-step RTP annealing with the 330°C low-temperature and 370°C high-temperature process ensures high crystallinity and vertical orientations of Sb2S3 thin films, accompanied by a reduction in defect concentration from 1.01 × 1012 to 5.97 × 1011 cm−3. The Sb2S3 solar cell achieves an efficiency of 8.20% with an enhanced open circuit voltage (VOC) of 784 mV. The build-in voltage (Vbi) of 1.17 V and irradiation-dependent ideal factor (n) of 1.48 demonstrate enhanced heterojunction quality and suppressed defect recombination in the devices. The presented two-step annealing strategy and physical mechanism study will open new prospects for high-performance Sb2S3 solar cells. © Science China Press 2024.
Keyword ：
defect passivation defect passivation hydrothermal hydrothermal Sb2S3 solar cells Sb2S3 solar cells two-step annealing two-step annealing
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| GB/T 7714 | Deng, H. , Feng, X. , Zhu, Q. et al. 8.2%-Efficiency hydrothermal Sb2S3 thin film solar cells by two-step RTP annealing strategy; [两步快速热处理退火策略实现8.2%效率的水热法硫化锑薄膜太阳能电池] [J]. | Science China Materials , 2024 , 67 (11) : 3666-3674 . |
| MLA | Deng, H. et al. "8.2%-Efficiency hydrothermal Sb2S3 thin film solar cells by two-step RTP annealing strategy; [两步快速热处理退火策略实现8.2%效率的水热法硫化锑薄膜太阳能电池]" . | Science China Materials 67 . 11 (2024) : 3666-3674 . |
| APA | Deng, H. , Feng, X. , Zhu, Q. , Liu, Y. , Wang, G. , Zhang, C. et al. 8.2%-Efficiency hydrothermal Sb2S3 thin film solar cells by two-step RTP annealing strategy; [两步快速热处理退火策略实现8.2%效率的水热法硫化锑薄膜太阳能电池] . | Science China Materials , 2024 , 67 (11) , 3666-3674 . |
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Abstract ：
采用偏置电压调控钙钛矿太阳电池离子迁移，抑制钙钛矿离子在界面的堆积、填充太阳电池缺陷，恢复老化太阳电池的性能。在对老化太阳电池引入正向偏置电压修复手段后，太阳电池光电转换效率从老化后的17.8%恢复到21.5%；在100 h的最大功率点跟踪中引入偏置电压修复手段后，获得3.1%总能量增益。通过自主搭建的集成表征环境，原位实时测量偏压修复太阳电池前后太阳电池电学性能和光学特性的变化规律，建立偏压调控钙钛矿离子迁移的物理模型，探究偏置电压修复太阳电池的背后机理。结果表明，该修复策略可通过调控离子迁移，钝化缺陷、优化载流子提取和输运、进而修复太阳电池。
Keyword ：
修复 修复 偏置电压 偏置电压 离子迁移 离子迁移 钙钛矿太阳电池 钙钛矿太阳电池
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| GB/T 7714 | 郑志江 , 王仁杰 , 黄少彪 et al. 正向偏置电压修复钙钛矿太阳电池的研究 [J]. | 太阳能学报 , 2024 , 45 (04) : 59-64 . |
| MLA | 郑志江 et al. "正向偏置电压修复钙钛矿太阳电池的研究" . | 太阳能学报 45 . 04 (2024) : 59-64 . |
| APA | 郑志江 , 王仁杰 , 黄少彪 , 杭陈旺 , 吴炯桦 , 程树英 . 正向偏置电压修复钙钛矿太阳电池的研究 . | 太阳能学报 , 2024 , 45 (04) , 59-64 . |
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采用有机分子构建2D/3D钙钛矿异质结构通常是提高钙钛矿太阳能电池(PSC)的功率转换效率(PCE)和稳定性的关键。然而,目前对于2D钙钛矿层与界面离子迁移之间的抑制关系仍缺乏全面的了解。在这项研究中,我们使用不同构型的烷基铵碘化物来构建2D/3D钙钛矿异质结构。研究结果表明,烷基碘化铵中烷基的链长和氨基的数量都会显著影响2D钙钛矿层的晶体结构取向。用ODADI处理的Dion-Jacobson(DJ)型2D/3D结构显示出优异的缺陷钝化和载流子提取,使PSC具有24.51%的最佳PCE。此外,基于ODA阳离子的2D钙钛矿消除了基于BA或OA阳离子的钙钛矿中范德华相互作用的影响,提高了晶格结构的稳定性,并显著抑制了离子迁移。因此,在经过1500小时的最大功率点稳定性测试之后,器件仍保持着初始PCE的88%。这项工作为通过选择合适的有机分子来优化2D/3D钙钛矿异质结构界面提供了新的见解。
Keyword ：
2D/3D钙钛矿异质结构 2D/3D钙钛矿异质结构 离子迁移 离子迁移 稳定性 稳定性 缺陷钝化 缺陷钝化 钙钛矿太阳能电池 钙钛矿太阳能电池
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| GB/T 7714 | 王仁杰 , 吴炯桦 , 程树英 . 烷基卤化铵界面改性抑制离子迁移用于高效稳定的钙钛矿太阳能电池 [C] //第十一届新型太阳能材料科学与技术学术研讨会 . 2024 . |
| MLA | 王仁杰 et al. "烷基卤化铵界面改性抑制离子迁移用于高效稳定的钙钛矿太阳能电池" 第十一届新型太阳能材料科学与技术学术研讨会 . (2024) . |
| APA | 王仁杰 , 吴炯桦 , 程树英 . 烷基卤化铵界面改性抑制离子迁移用于高效稳定的钙钛矿太阳能电池 第十一届新型太阳能材料科学与技术学术研讨会 . (2024) . |
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钙钛矿太阳能电池(PSC)因其高吸收系数、带隙可调、长载流子寿命等优点而备受关注。目前,PSC的光电转换效率(PCE)已从2009年的3.8%提高到目前的认证效率26.1%,但其高效率器件的制备通常伴随过量PbI_2而引发稳定性与缺陷的问题。为了应对这些挑战,我们采用阴离子与阳离子双功能添加剂—三氟乙酸苯乙胺(PEATFA)来协同钝化PSC。其中,PEA+有助于形成2D钙钛矿结构,TFA-则有效钝化未配位Pb2+及I空位缺陷,在没有过量PbI_2的情况下提高钙钛矿的晶体质量。此外,PEATFA改性优化了钙钛矿层和电荷传输层之间的能级匹配,增强电荷的转移和提取能力。最终,PEATFA改性器件实现了24.05%的高PCE,同时表现出极小的迟滞现象和良好的稳定性。
Keyword ：
2D钙钛矿 2D钙钛矿 双功能添加剂 双功能添加剂 钙钛矿太阳能电池 钙钛矿太阳能电池 钝化缺陷 钝化缺陷
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| GB/T 7714 | 吴炯桦 , 王仁杰 , 李一明 . 双功能添加剂策略用于高效稳定的钙钛矿太阳能电池 [C] //第十一届新型太阳能材料科学与技术学术研讨会 . 2024 . |
| MLA | 吴炯桦 et al. "双功能添加剂策略用于高效稳定的钙钛矿太阳能电池" 第十一届新型太阳能材料科学与技术学术研讨会 . (2024) . |
| APA | 吴炯桦 , 王仁杰 , 李一明 . 双功能添加剂策略用于高效稳定的钙钛矿太阳能电池 第十一届新型太阳能材料科学与技术学术研讨会 . (2024) . |
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Antimony sulfide (Sb2S3) photodetectors (PDs) possess extensive application prospects. Efficient carrier transport of a PD significantly affects the detectivity and response speed. Herein, we propose an all-inorganic self-powered Sb2S3 PD based on vertical TiO2 nanorods (NRs). The spray-coated 15-nm TiO2 thin film as a seed layer ensures the growth of compact vertical TiO2 nanorod arrays by the hydrothermal method. One-dimensional TiO2 nanorods facilitate photocarrier separation and transport to enhance device performance. Ultimately, the Sb2S3 PD achieves a responsivity of 0.29 A/W, a specific detectivity of 3.37 x 1012 Jones, and a response time of 7.8 mu s, showing great potential in commercial applications. (c) 2024 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.
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| GB/T 7714 | Kang, Yubin , Deng, Hui , Wu, Kefei et al. Self-powered Sb2S3 photodetectors with efficient carrier transport enabled by compact vertical TiO2 nanorods [J]. | OPTICS LETTERS , 2024 , 49 (22) : 6533-6536 . |
| MLA | Kang, Yubin et al. "Self-powered Sb2S3 photodetectors with efficient carrier transport enabled by compact vertical TiO2 nanorods" . | OPTICS LETTERS 49 . 22 (2024) : 6533-6536 . |
| APA | Kang, Yubin , Deng, Hui , Wu, Kefei , Wang, Guidong , Hong, Jinwei , Wang, Weihuang et al. Self-powered Sb2S3 photodetectors with efficient carrier transport enabled by compact vertical TiO2 nanorods . | OPTICS LETTERS , 2024 , 49 (22) , 6533-6536 . |
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钙钛矿太阳能电池(PSC)因其高吸收系数、带隙可调、长载流子寿命等优点而备受关注。目前,PSC的光电转换效率(PCE)已从2009年的3.8%提高到目前的认证效率26.1%,但其高效率器件的制备通常伴随过量Pb I2而引发稳定性与缺陷的问题。为了应对这些挑战,我们采用阴离子与阳离子双功能添加剂—三氟乙酸苯乙胺(PEATFA)来协同钝化PSC。其中,PEA+有助于形成2D钙钛矿结构,TFA-则有效钝化未配位Pb2+及I空位缺陷,在没有过量Pb I2的情况下提高钙钛矿的晶体质量。此外,PEATFA改性优化了钙钛矿层和电荷传输层之间的能级匹配,增强电荷的转移和提取能力。最终,PEATFA改性器件实现了24.05%的高PCE,同时表现出极小的迟滞现象和良好的稳定性。
Keyword ：
2D钙钛矿 2D钙钛矿 双功能添加剂 双功能添加剂 钙钛矿太阳能电池 钙钛矿太阳能电池 钝化缺陷 钝化缺陷
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| GB/T 7714 | 吴炯桦 , 王仁杰 , 李一明 . 双功能添加剂策略用于高效稳定的钙钛矿太阳能电池 [C] //第四届全国太阳能电池材料与器件大会 . 2024 . |
| MLA | 吴炯桦 et al. "双功能添加剂策略用于高效稳定的钙钛矿太阳能电池" 第四届全国太阳能电池材料与器件大会 . (2024) . |
| APA | 吴炯桦 , 王仁杰 , 李一明 . 双功能添加剂策略用于高效稳定的钙钛矿太阳能电池 第四届全国太阳能电池材料与器件大会 . (2024) . |
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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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