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Application of an amphipathic molecule at the NiO_(x)/perovskite interface for improving the efficiency and long-term stability of the inverted perovskite solar cells

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Journal of Energy Chemistry 2023年第3期78卷 454-462,I0013页

作者： guibin shen Hongye Dong Fan Yang Xin Ren Ng Xin Li Fen Lin Cheng Mu Key Laboratory of Advanced Light Conversion Materials and Biophotonics Department of ChemistryRenmin University of ChinaBeijing 100872China Solar Energy Research Institute of Singapore(SERIS) National University of SingaporeSingapore 117574Singapore State Key Laboratory of Materials Processing and Die&Mold Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074HubeiChina Department of Chemistry National University of Singapore3 Science Drive 3Singapore 117574Singapore

The presence of defects and detrimental reactions at NiO_(x)/perovskite interface extremely limit the efficiency performance and long-term stability of the perovskite solar cells(PSCs) based on NiO_(x).Herein,an amphipathic molecule Triton X100(Triton) is modified on the NiO_(x)*** hydrophilic chain of Triton as a Lewis base additive can coordinate with the Ni3+on the NiO_(x)surface which can passivate the interfacial defects and hinder the detrimental reactions at the NiO_(x)/perovskite ***,the hydrophobic chain of Triton protrudes from the NiO_(x)surface to prevent moisture from penetrating into the NiO_(x)/perovskite ***,the NiO_(x)/Triton-based devices(MAPbI3as absorbing layer) show superior moisture and thermal stability,retaining 88.4% and 64.3% of the initial power conversion efficiency after storage in air(40%-50% relative humidity(RH)) at 25 ℃ for 1070 h and in N2at 85℃ for 800 h,***,the efficiency increases from 17.59% to 19.89% because of the passivation defect and enhanced hole-extraction ***,the NiO_(x)/Triton-based PSCs with Cs_(0.05)(MA_(0.15)FA_(0.85))_(0.95)Pb(I_(0.85)Br_(0.15))3perovskite as the light-absorbing layer also exhibits better moisture and thermal stability compared to the control devices,indicating the viability of our *** particular note,a champion PCE of 22.35% and 20.46% was achieved for small-area(0.1 cm^(2)) and large-area(1.2 cm^(2)) NiO_(x)/Triton-based devices,respectively.

关键词： Perovskite solar cells NiO_(x) Defect passivation Long-term stability Amphipathic molecule

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Thermally Evaporated ZnSe for Efficient and Stable Regular/Inverted Perovskite Solar Cells by Enhanced Electron Extraction

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Energy & Environmental Materials 2023年第5期6卷 440-448页

作者： Xin Li guibin shen Xin Ren Ng Zhiyong Liu Yun Meng Yongwei Zhang Cheng Mu Zhi Gen Yu Fen Lin Solar Energy Research Institute of Singapore(SERIS) National University of SingaporeSingapore 117574Singapore Key Laboratory of Advanced Light Conversion Materials and Biophotonics Department of ChemistryRenmin University of ChinaBeijing 100872China State Key Laboratory of Digital Manufacturing Equipment and Technology Huazhong University of Science and TechnologyWuhan 430074China School of Materials Science and Engineering Nanyang Technological UniversitySingapore 639798Singapore Shandong Provincial Engineering and Technical Center of Light Manipulation and Shandong Provincial Key Laboratory of Optics and Photonic Devices School of Physics and ElectronicsShandong Normal UniversityJinan 250014China Institute of High Performance Computing A^(*)STARSingapore 138632Singapore

Electron transport layers(ETLs)are crucial for achieving efficient and stable planar perovskite solar cells(PSCs).Reports on versatile inorganic ETLs using a simple film fabrication method and applicability for both low-cost planar regular and inverted PSCs with excellent efficiencies(>22%)and high stability are very ***,we employ a novel inorganic ZnSe as ETL for both regular and inverted PSCs to improve the efficiency and stability using a simple thermal evaporation *** TiO_(2)-ZnSe-FAPbl_(3)heterojunction could be formed,resulting in an improved charge collection and a decreased carrier recombination further proved through theoretical *** optimized regular PSCs based on TiO_(2)/ZnSe have achieved 23.25%efficiency with negligible *** addition,the ZnSe ETL can also effectively replace the unstable bathocuproine(BCP)in inverted ***,the ZnSe-based inverted device realizes a champion efficiency of 22.54%.Moreover,the regular device comprising the TiO_(2)/ZnSe layers retains 92%of its initial PCE after 10:00 h under 1 Sun continuous illumination and the inverted device comprising the C_(60)/ZnSe layers maintains over 85%of its initial PCE at 85℃for 10:00 *** highlights one of the best results among universal ETLs in both regular and inverted perovskite photovoltaics.

关键词： high efficiency long-term stability planar regular/inverted perovskite solar cells thermal evaporation ZnSe electron transport layer

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High-Performance and Large-Area Inverted Perovskite Solar Cells Based on NiO_(x) Films Enabled with A Novel Microstructure-Control Technology

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Energy & Environmental Materials 2024年第1期7卷 153-159页

作者： guibin shen Xin Li Yuqin Zou Hongye Dong Dongping Zhu Yanglin Jiang Xin Ren Ng Fen Lin Peter Müller-Buschbaum Cheng Mu Key Laboratory of Advanced Light Conversion Materials and Biophotonics Department of ChemistryRenmin University of ChinaBeijing 100872China Solar Energy Research Institute of Singapore(SERIS) National University of SingaporeSingapore 117574Singapore Physik-Department Lehrstuhl für Funktionelle MaterialienTechnische Universität MünchenJames-Franck-Straße 185748Garching Germany Heinz Maier-Leibnitz Zentrum(MLZ) Technische Universität MünchenLichtenbergstr.185748Garching Germany

The improvement in the efficiency of inverted perovskite solar cells(PSCs)is significantly limited by undesirable contact at the NiO_(x)/perovskite *** this study,a novel microstructure-control technology is proposed for fabrication of porous NiO_(x)films using Pluronic P123 as the structure-directing agent and acetylacetone(AcAc)as the coordination *** synthesized porous NiO_(x)films enhanced the hole extraction efficiency and reduced recombination defects at the NiO_(x)/perovskite ***,without any modification,the power conversion efficiency(PCE)of the PSC with MAPbl_(3)as the absorber layer improved from 16.50%to 19.08%.Moreover,the PCE of the device composed of perovskite Cs0.05(MA_(0.15)FA_(0.85))_(0.95)Pb(I_(0.85)Br_(0.15))_(3)improved from 17.49%to 21.42%.Furthermore,the application of the fabricated porous NiO_(x)on fluorine-doped tin oxide(FTO)substrates enabled the fabrication of large-area PSCs(1.2 cm^(2))with a PCE of 19.63%.This study provides a novel strategy for improving the contact at the NiO_(x)/perovskite interface for the fabrication of high-performance large-area perovskite solar cells.

关键词： interfacial contact inverted and large-area perovskite solar cells photovoltaic materials porous NiO_(x)films renewable energy

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A facile route of preparing nickel oxide thin films for high-performance inverted perovskite solar cells

A facile route of preparing nickel oxide thin films for high...

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第七届新型太阳能电池材料科学与技术学术研讨会

作者： guibin shen Hongye Dong Department of Chemistry Renmin University of China

Perovskite solar cells(PSCs) have been very popular in the field of *** the inverted PSC structure,the hole transport layer deposited before perovskite photoactive layer plays a crucial role in power conversion efficiencies(PCE) and ambient stability of ***,we developed a facile PMMA-assisted deposition method for preparing NiO film at low *** to the hydrogen bond effect between PMMA and nickel compounds,a full coverage and uniform NiO film was produced in deposition *** heat from decomposition of PMMA induced thermal treatment on Ni O arising around *** adding the polymer to the precursor solution,a high-performance NiO film for inverted PSCs was successfully fabricated on ITO substrates through a low temperature annealing *** with reported fabrication methods,this route has the advantages of simple,low temperature,and low-cost *** corresponding devices exhibited a champion power conversion efficiency(PCE) of 17.78% and good stability.

关键词： perovskite nickel oxide inverted solar cells

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Self-assembled monolayers(SAMs)in inverted perovskite solar cells and their tandem photovoltaics application

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Interdisciplinary Materials 2024年第2期3卷 203-244页

作者： Zijun Yi Xin Li Yuchen Xiong guibin shen Wenguang Zhang Yihuai Huang Qinghui Jiang Xin Ren Ng Yubo Luo Jianghui Zheng Wei Lin Leong Fan Fu Tongle Bu Junyou Yang State Key Laboratory of Material Processing and Die&Mould Technology Huazhong University of Science and TechnologyWuhanChina China‐Eu Institute for Clean and Renewable Energy Huazhong University of Science and TechnologyWuhanChina School of Electrical and Electronic Engineering Nanyang Technological UniversitySingaporeSingapore Department of Chemistry National University of SingaporeSingaporeSingapore School of Physics The University of SydneySydneyNew South WalesAustralia Laboratory for Thin Films and Photovoltaics Empa‐Swiss Federal Laboratories for Materials Science and TechnologyDübendorfSwitzerland State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhanChina

Self-assembled monolayers(SAMs)employed in inverted perovskite solar cells(PSCs)have achieved groundbreaking progress in device efficiency and stability for both single-junction and tandem configurations,owing to their distinctive and versatile ability to manipulate chemical and physical interface *** this regard,we present a comprehensive review of recent research advancements concerning SAMs in inverted perovskite singlejunction and tandem solar cells,where the prevailing challenges and future development prospects in the applications of SAMs are *** thoroughly examine the mechanistic roles of diverse SAMs in energy-level regulation,interface modification,defect passivation,and charge *** is achieved by understanding how interfacial molecular interactions can be finely tuned to mitigate charge recombination losses in inverted *** this comprehensive review,we aim to provide valuable insights and references for further investigation and utilization of SAMs in inverted perovskite single‐junction and tandem solar cells.

关键词： inverted perovskite solar cells power conversion efficiency self-assembled monolayers tandem

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基于LSTM的航空公司能耗序列预测

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计算机应用与软件 2019年第10期36卷 60-65页

作者：刘家学沈贵宾中国民航大学电子信息与自动化学院

为提高航空公司能耗的预测精度,针对能耗数据的复杂非线性时序特性,提出一种基于长短时记忆网络(LSTM)的时间窗滑动航空公司能耗预估模型。该方法对能耗时序数据进行预处理,消除能耗时序数据的季节性趋势;依据滑动时间窗将数据转换成监... 详细信息

为提高航空公司能耗的预测精度,针对能耗数据的复杂非线性时序特性,提出一种基于长短时记忆网络(LSTM)的时间窗滑动航空公司能耗预估模型。该方法对能耗时序数据进行预处理,消除能耗时序数据的季节性趋势;依据滑动时间窗将数据转换成监督型数据,构建基于LSTM的模型来实现航空公司能耗预测,并利用网格搜索算法进行参数优选。实验结果表明,该模型预测精度优于传统ARMA模型、SVR模型,验证了其可行性。

关键词：航空公司能耗 LSTM 网格搜索时间窗时间序列预测

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High-performance perovskite solar cells with large grain-size obtained by the Urea additive

High-performance perovskite solar cells with large grain-siz...

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第七届新型太阳能电池材料科学与技术学术研讨会

作者： Qingbin Cai Zhichao Lin Xiaoning Wen guibin shen Hongye Dong Jingjing Yan Xiangning Xu Cheng Mu Department of Chemistry Renmin University of China

Perovskite solar cell has gained wide attention due to its excellent photoelectric performance and economical fabrication process,with high-efficiency perovskite solar cell could be achieved by optimizing film *** is a challenge to grow perovskite films with large crystalline grains and a full coverage on the surface of an organic compound film by a solution *** this work,we add Lewis-bases urea(U) to PbI precursor to control the growth and crystallization of perovskite film on the top of SnO for efficient hybrid cation perovskite solar *** perovskite film prepared by this method has large size grains of more than 5 μ m,smooth,no visible pinhole or crack found and high *** mechanism of the action can be explained by infrared *** the coordination of the lead ion that could accept electron pairs and the C=O bond in urea,introduction of urea in perovskite precursor solution to form MAI·PbI·DMSO·urea complex could significantly improve the photoelectric properties of the perovskite ***,the device fabricated with the concentration of 0.2 M urea showed a higher power conversion efficiency(22.2%) than that of the reference sample solar cell.

关键词： perovskite solar cell lewis-bases urea large size grains

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盾构下穿危旧公路立交桥施工参数控制研究

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科学技术创新 2022年第15期 131-134页

作者：沈贵斌中铁十七局集团上海轨道交通工程有限公司上海200120

为控制老旧、繁忙段的立交桥在下穿盾构施工中变形,综合桥梁养护状态、桥梁桩基地层分布等因素,提出盾构施工优化工艺和盾构施工中桥梁沉降指标,最终基于现场变形监测数据分析,发现桥梁桥墩累计沉降值均在3mm以内,沉降监测数据趋于稳定... 详细信息

为控制老旧、繁忙段的立交桥在下穿盾构施工中变形,综合桥梁养护状态、桥梁桩基地层分布等因素,提出盾构施工优化工艺和盾构施工中桥梁沉降指标,最终基于现场变形监测数据分析,发现桥梁桥墩累计沉降值均在3mm以内,沉降监测数据趋于稳定。本文可为相关立交桥加固案例提供参考。

关键词：城市轨道桥梁病害施工工艺现场试验沉降控制

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阿托伐他汀对慢性心力衰竭患者血浆骨桥蛋白的影响

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中国综合临床 2014年第4期30卷 376-378页

作者：沈桂彬张丽华河南省郑州市第七人民医院心内科 450016 郑州大学第二附属医院心内科

目的观察阿托伐他汀对慢性心力衰竭（CHF）患者血浆骨桥蛋白及心功能的影响.方法 60例CHF患者随机分为对照组30例和治疗组30例.两组患者常规给予吸氧、卧床休息、洋地黄、血管紧张素转换酶抑制剂、β受体阻滞剂、扩血管药、利尿剂等治... 详细信息

目的观察阿托伐他汀对慢性心力衰竭（CHF）患者血浆骨桥蛋白及心功能的影响.方法 60例CHF患者随机分为对照组30例和治疗组30例.两组患者常规给予吸氧、卧床休息、洋地黄、血管紧张素转换酶抑制剂、β受体阻滞剂、扩血管药、利尿剂等治疗.治疗组同时加用阿托伐他汀钙20mg/d,共治疗2个月.在治疗2个月后评价心功能（NHYA）,心脏彩超测定左心室射血分数,检测血浆骨桥蛋白、血浆N末端脑利钠肽及C反应蛋白浓度.结果治疗组血浆骨桥蛋白[（1 062.68 ±130.63）ng/L]、血浆N末端脑利钠肽[（609.00 ±62.39） ng/L]及C反应蛋白[（5.84±0.70） mg/L]浓度低于对照组[（1 609.94 ±201.87） ng/L、（922.33±108.68） ng/L、（8.90±0.86） mg/L],两组比较差异有统计学意义（Z=-1.981,t=2.766,Z＝-2.092,P均＜0.05）.治疗组左心室射血分数（58.7±1.2）％高于对照组（52.8±1.6）％,两组比较差异有统计学意义（Z=-2.502,P＜0.05）.结论阿托伐他汀可降低血浆骨桥蛋白浓度,减轻炎症反应,抑制心脏重构,从而对心力衰竭患者有益.

关键词：阿托伐他汀血浆骨桥蛋白血浆N末端脑利钠肽 C反应蛋白心力衰竭

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前列地尔联合托拉塞米治疗顽固性心力衰竭的临床研究

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中国医师进修杂志 2014年第13期37卷 49-50,78页

作者：沈桂彬张丽华郑州市第七人民医院心血管内科 450016 郑州大学第二附属医院心血管内科 450014

目的观察前列地尔联合托拉塞米治疗顽固性心力衰竭的近期疗效。方法对经常规抗心力衰竭治疗效果不佳的30例顽固性心力衰竭患者予以前列地尔及托拉塞米治疗，前列地尔20mg加入5％葡萄糖或0．9％氯化钠100ml静脉滴注1次／d；托拉塞米20-4... 详细信息

目的观察前列地尔联合托拉塞米治疗顽固性心力衰竭的近期疗效。方法对经常规抗心力衰竭治疗效果不佳的30例顽固性心力衰竭患者予以前列地尔及托拉塞米治疗，前列地尔20mg加入5％葡萄糖或0．9％氯化钠100ml静脉滴注1次／d；托拉塞米20-40mg静脉注射2次／d；托拉塞米用3d后根据病情调整用量，其余常规抗心力衰竭治疗不变。疗程1周。观察治疗前后患者的血压、体质量、尿量、血肌酐、电解质、N-末端脑钠肽前体（NT-pmBNP）及左心室射血分数（LVEF）的变化。结果治疗后，所有患者呼吸困难、水肿、肺部干湿性哕音等临床症状均明显好转，治疗中3例患者出现轻度低钾血症，经及时补钾得以纠正。治疗后体质量与治疗前比较降低[（63．8±7．6）kg比（82．6±10．7）kg]，尿量与治疗前比较升高[（2328．3±367．8）ml／d比（568．7±104．6）ml／d]，差异均有统计学意义（P〈0．01）；而治疗前后收缩压、舒张压比较差异无统计学意义（P〉0．05）。治疗后LVEF与治疗前比较升高[（44．5±8．3）％比（31．9±10．2）％]，血肌肝水平与治疗前比较降低[（97．8±18．6）μmol／L比（143．8±21．7）μmol／L]，差异有统计学意义（P〈0．05）；治疗后NT—proBNP水平与治疗前比较降低[（567．4±212．3）ng/L比（2726．5±525．3）ng／L]，差异有统计学意义（P〈0．01）.结论前列地尔联合托拉塞米治疗顽固性心力衰竭，能快速有效改善症状，有助于心肾功能的改善，且无明显不良反应发生。

关键词：心力衰竭前列地尔托拉塞米

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