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Toward high-efficiency perovskite solar cells with one-dimensional oriented nanostructured electron transport materials

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Journal of Energy Chemistry 2023年第7期82卷 66-87,I0003页

作者： yinhua lv Bing Cai Ruihan Yuan Yihui Wu Quinn Qiao Wen-Hua Zhang Yunnan Key Laboratory of Carbon Neutrality and Green Low-carbon Technologies School of Materials and EnergyYunnan UniversityKunming 650500YunnanChina School of Chemical Engineering Sichuan UniversityChengdu 610065SichuanChina Sichuan Research Center of New Materials Institute of Chemical MaterialsChina Academy of Engineering PhysicsChengdu 610200SichuanChina Mechanical and Aerospace Engineering Syracuse UniversitySyracuseNew York 13244USA Yunnan University and Southwest United Graduate School Kunming 650500YunnanChina

The unique advantages of one-dimensional(1D)oriented nanostructures in light-trapping and chargetransport make them competitive candidates in photovoltaic(PV)*** the emergence of perovskite solar cells(PSCs),1D nanostructured electron transport materials(ETMs)have drawn tremendous ***,the power conversion efficiencies(PCEs)of these devices have always significantly lagged behind their mesoscopic and planar ***-efficiency PSCs with 1D ETMs showing efficiency over 22%were just realized in the most recent *** yet lacks a comprehensive review covering the development of 1D ETMs and their application in *** hence timely summarize the advances in 1D ETMs-based solar cells,emphasizing on the fundamental and optimization issues of charge separation and collection ability,and their influence on PV *** sketching the classification and requirements for high-efficiency 1D nanostructured solar cells,we highlight the applicability of 1D TiO_(2)nanostructures in PSCs,including nanotubes,nanorods,nanocones,and nanopyramids,and carefully analyze how the electrostatic field affects cell *** kinds of oriented nanostructures,e.g.,ZnO and SnO_(2)ETMs,are also ***,we discuss the challenges and propose some potential strategies to further boost device *** review provides a broad range of valuable work in this fast-developing field,which we hope will stimulate research enthusiasm to push PSCs to an unprecedented level.

关键词： 1D nanostructures Perovskite solar cells Electron transport materials Electrostatic field High-efficiency

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A facile solution processed ZnO@ZnS core–shell nanorods arrays for high-efficiency perovskite solar cells with boosted stability

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Journal of Energy Chemistry 2021年第10期30卷 553-560,I0014页

作者： Kun Chen Weijian Tang Yu Chen Ruihan Yuan yinhua lv Wenjuan Shan Wen-Hua Zhang Sichuan Research Center of New Materials Institute of Chemical MaterialsChina Academy of Engineering Physics596 Yinhe RoadChengdu 610200SichuanChina Tongwei Solar(Chengdu)Co. LTD888 Linjiaci RoadChengdu 610200SichuanChina Institute of Chemistry for Functionalized Materials College of Chemistry and Chemical EngineeringLiaoning Normal UniversityDalian 116029LiaoningChina

Zinc Oxide(ZnO)has been extensively applied as electron transport material(ETM)in perovskite solar cells(PSCs)since the emergence of ***,some chemisorbed oxygen species on the surface of ZnO can cause the degradation of CH3NH3+(MA^(+))based *** avoid the destructive effect of ZnO,a facile solution strategy was proposed to produce a ZnS shell around the ZnO nanorods arrays(ZnO-NRs),***@ZnS core-shell nanorods(ZnO-NRs@ZnS).The ZnO-NRs@ZnS cascade structure can not only facilitate carrier transport,but also enhance the stability of ZnO based PSCs.A power conversion efficiency(PCE)of 20.6%was finally yielded,which is the-state-of-the-art efficiency for PSCs with one-dimensional(1 D)ZnO electron transport materials(ETMs).Moreover,over 90%of the initial efficiency was retained for the unencapsulated device with ZnO-NRs@ZnS ETMs at 85℃for 500 h,demonstrating excellent *** work provides a simple and efficient avenue to simultaneously enhance the photovoltaic(PV)performance and stability of 1 D ZnO nanostructure-based PSCs.

关键词： Zinc Oxide nanorods arrays Core-cell structure Electron transport material Perovskite solar cells Stability

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High performance perovskite solar cells using TiO2 nanospindles as ultrathin mesoporous layer

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Journal of Energy Chemistry 2018年第4期27卷 951-956页

作者： yinhua lv Bing Cai Yihui Wu Shubo Wang Qike Jiang Qingshan Ma Jingyue(Jimmy)Liu Wen-Hua Zhang Dalian National Laboratory for Clean Energy.Dalian Institute of Chemical Physics Chinese Academy of Sciences.Dalian 116023LiaoningChina University of Chinese Academy of Sciences No.19(A)Yuquan Road.Shijingshan DistrictBeijing 100049.China Sichuan Research Center of New Materials Institute of Chemical MaterialsChina Academy of Engineering PhysicsChengdu 610200.Sichuan.China Jiangsu Collaborative Innovation Center of Photovoltuic Science an Engineering.Changzhou University Changzhou 213164JiangsuChina Department of Physics Arizona State UniversityTempeArizona 85287.USA

Single crystal anatase TiO2 nanospindles （NSs） with highly exposed {101} facets were synthesized and employed as electron transport materials （ETMs） in perovskite solar cells （PSCs）. Time-resolved photoluminescence （TRPL） spectra revealed that the TiO2 NSs are more effective than TiO2 nanoparticles in accepting electrons from perovskite. Moreover. the TiO2 nanospindles further endowed the PSCs with good reproducibility and suppressed hysteresis. The best device with TiO2 NSs as ETMs yielded power conversion efficiency （PCE） of 19.6%, demonstrating that the home-made TiO2 NSs is a good ETM for PSCs.

关键词： Electron transport material Perovskite solar cell TiO2 nanospindles Ultrathin mesoporous layer

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半封闭空间内电动自行车锂离子电池热失控研究

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消防科学与技术 2024年第8期43卷 1086-1090,1099页

作者：荣建忠吕银华张林志林桑应急管理部四川消防研究所四川成都610036 杭州银湖安全科技有限公司浙江杭州311402 宁波市消防救援支队浙江宁波315012

制作了阻燃防护幕布覆盖的鞍座支架模型,基于ISO 9705试验平台,搭建了电动自行车热失控装置,研究了电动自行车20 Ah/48 V磷酸铁锂电池、35 Ah/60 V三元锂电池在197.0 L半封闭空间内的热失控特性。结果表明,在试验条件下,磷酸铁锂电池热... 详细信息

制作了阻燃防护幕布覆盖的鞍座支架模型,基于ISO 9705试验平台,搭建了电动自行车热失控装置,研究了电动自行车20 Ah/48 V磷酸铁锂电池、35 Ah/60 V三元锂电池在197.0 L半封闭空间内的热失控特性。结果表明,在试验条件下,磷酸铁锂电池热释放速率峰值为151.40 kW,泄压口外侧30 cm处测得的火焰温度最高,为597.5℃;三元锂电池的热释放速率峰值可达0.86 MW,泄压口外侧30 cm处测得的火焰温度最高,为630.3℃。

关键词：锂离子电池半封闭空间热失控电动自行车热释放速率峰值

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Advances in the Application of Perovskite Materials

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Nano-Micro Letters 2023年第10期15卷 334-381页

作者： Lixiu Zhang Luyao Mei Kaiyang Wang yinhua lv Shuai Zhang Yaxiao Lian Xiaoke Liu Zhiwei Ma Guanjun Xiao Qiang Liu Shuaibo Zhai Shengli Zhang Gengling Liu Ligang Yuan Bingbing Guo Ziming Chen Keyu Wei Aqiang Liu Shizhong Yue Guangda Niu Xiyan Pan Jie Sun Yong Hua Wu‑Qiang Wu Dawei Di Baodan Zhao Jianjun Tian Zhijie Wang Yang Yang Liang Chu Mingjian Yuan Haibo Zeng Hin‑Lap Yip Keyou Yan Wentao Xu Lu Zhu Wenhua Zhang Guichuan Xing Feng Gao Liming Ding Center for Excellence in Nanoscience(CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication(CAS)National Center for Nanoscience and TechnologyBeijing 100190People’s Republic of China University of Chinese Academy of Sciences Beijing 100049People’s Republic of China Department of Physics Link.ping University58183 Link.pingSweden Institute of Applied Physics and Materials Engineering University of MacaoMacao 999078People’s Republic of China School of Materials Science and Engineering Yunnan UniversityKunming 650091People’s Republic of China School of Microelectronics Science and Technology Sun Yat-sen UniversityZhuhai 519082People’s Republic of China College of Electronic Information and Optical Engineering Nankai UniversityTianjin 300350People’s Republic of China Guangdong Provincial Key Laboratory of Semiconductor Optoelectronic Materials and Intelligent Photonic Systems Harbin Institute of TechnologyShenzhen 518055People’s Republic of China School of Materials Science and Engineering Nanjing University of Science and TechnologyNanjing 210094People’s Republic of China College of Optical Science and Engineering Zhejiang UniversityHangzhou 310027People’s Republic of China State Key Laboratory of Superhard Materials Jilin UniversityChangchun 130012People’s Republic of China College of Electronic and Optical Engineering Nanjing University of Posts and TelecommunicationsNanjing 210023People’s Republic of China School of Chemistry Sun Yat-sen UniversityGuangzhou 510006People’s Republic of China School of Environment and Energy South China University of TechnologyGuangzhou 510000People’s Republic of China Department of Chemistry Imperial College LondonLondon W120BZUK College of Chemistry Nankai UniversityTianjin 300071People’s Republic of China Institute for Advanced Materials and Technology University of Science and Technology BeijingBeijing 100083People’s Republic of China Institute of Semiconductors Chinese Academy of SciencesBeijing 100083People’s Republic of China School

Nowadays, the soar of photovoltaic performance of perovskite solar cells has set off a fever in the study of metal halide perovskite materials. The excellent optoelectronic properties and defect tolerance feature allow metal halide perovskite to be employed in a wide variety of applications. This article provides a holistic review over the current progress and future prospects of metal halide perovskite materials in representative promising applications, including traditional optoelectronic devices(solar cells, light-emitting diodes, photodetectors, lasers), and cutting-edge technologies in terms of neuromorphic devices(artificial synapses and memristors) and pressure-induced emission. This review highlights the fundamentals, the current progress and the remaining challenges for each application, aiming to provide a comprehensive overview of the development status and a navigation of future research for metal halide perovskite materials and devices.

关键词： Perovskites Optoelectronic devices Neuromorphic devices Pressure-induced emission

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棉/粘胶混纺产品定量分析方法比较研究

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现代纺织技术 2011年第4期19卷 40-42页

作者：沈洁吕印华陶丽珍常州纺织服装职业技术学院江苏常州213164 江苏省出入境检验检验局南京210009 常州市新型纺织材料重点实验室江苏常州213164

棉/粘胶混纺产品定量分析可以采用化学溶解法和细度仪分析法,选用甲酸/氯化锌和59.5%硫酸对棉/粘胶混纺产品进行了定量分析,同时利用显微投影计数法对该产品进行定量分析。研究表明,甲酸氯化锌对棉纤维的损伤较大,所测棉纤维的含量偏低... 详细信息

棉/粘胶混纺产品定量分析可以采用化学溶解法和细度仪分析法,选用甲酸/氯化锌和59.5%硫酸对棉/粘胶混纺产品进行了定量分析,同时利用显微投影计数法对该产品进行定量分析。研究表明,甲酸氯化锌对棉纤维的损伤较大,所测棉纤维的含量偏低;纤维细度仪法测量棉/粘产品时,测试纤维根数越多,测试结果越准确。

关键词：棉/粘胶混纺定量分析化学溶解法细度仪分析法

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超临界CO2脱除构皮木质素的研究

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仲恺农业工程学院学报 2020年第1期33卷 28-37页

作者：李玲琴吕银华刘江燕湖北师范大学化学化工学院湖北黄石435002

应用超临界二氧化碳萃取技术脱除构皮木质素,结合4因素3水平的正交试验优化萃取工艺,萃取液的成分分析用气相色谱-质谱联用仪进行.结果表明,影响构皮脱除木质素的因素顺序为温度>压力>夹带剂体积>时间.当萃取温度160℃,萃取压力20 MPa,... 详细信息

应用超临界二氧化碳萃取技术脱除构皮木质素,结合4因素3水平的正交试验优化萃取工艺,萃取液的成分分析用气相色谱-质谱联用仪进行.结果表明,影响构皮脱除木质素的因素顺序为温度>压力>夹带剂体积>时间.当萃取温度160℃,萃取压力20 MPa,萃取时间90 min,夹带剂2.0 mL时,构皮中木质素的脱除率最大,为71.62%.且气质联用仪分析得出各个萃取液中均存在含乙氧基和五元环结构的醛、醇和酮类物质,这说明在萃取过程中,构皮中不仅木质素发生了降解,半纤维素碳水化合物和纤维素等其他化合物也发生了降解.借助扫描电子显微镜对超临界萃取前后的构皮进行比较,结果明显观察到经过超临界处理后,样品表面出现许多孔洞,光滑的表面变得粗糙不平.

关键词：构皮超临界CO2 木质素气相色谱-质谱联用仪

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苯乙酮水杨酰肼Schiff碱的合成及荧光活性的研究

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化工中间体 2011年第9期7卷 36-38页

作者：施少敏吕银华徐金光乐飞飞湖北师范学院化学与环境工程学院湖北黄石435002

合成了苯乙酮水杨酰肼Schiff碱,通过红外,元素分析,质谱,紫外,对合成的标题化合物进行了表征,还对其荧光活性进行了研究。

关键词： Schiff碱表征合成荧光活性

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烧结工艺对聚四氟乙烯喷口制品性能的影响

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绝缘材料 2018年第10期51卷 45-49页

作者：杨保利吴明清张佩卢银花吕敏田浩河南平高电气股份有限公司河南平顶山467001 河南平芝高压开关有限公司河南平顶山467001 国家电网高压开关设备绝缘材料实验室河南平顶山467001

为了研究烧结工艺对聚四氟乙烯喷口制品性能的影响,采用有限元法对370～335℃不同烧结时间下的烧结瞬态热交换进行仿真分析,分析不同烧结时间下制品温度均匀性的变化规律,并对制品端部及中间区域的密度、拉伸性能、压缩强度及电气强度... 详细信息

为了研究烧结工艺对聚四氟乙烯喷口制品性能的影响,采用有限元法对370～335℃不同烧结时间下的烧结瞬态热交换进行仿真分析,分析不同烧结时间下制品温度均匀性的变化规律,并对制品端部及中间区域的密度、拉伸性能、压缩强度及电气强度等性能进行对比。结果表明:随着烧结时间的增加,温度分布曲线上高温平台与两端位置的温度差逐渐变小;整体而言,喷口材料的各项性能先快速增加而后降低,各点分散性则先减小后增加。适当的烧结时间有利于喷口制品重结晶,提升喷口制品性能。

关键词：聚四氟乙烯灭弧喷口烧结时间重结晶

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Elevated Kir2.1/nuclear N2ICD defines a highly malignant subtype of non-WNT/SHH medulloblastomas

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Signal Transduction and Targeted Therapy 2022年第4期7卷 1243-1257页

作者： Yan-Xia Wang Haibo Wu Yong Ren Shengqing lv Chengdong Ji Dongfang Xiang Mengsi Zhang Huimin Lu Wenjuan Fu Qing Liu Zexuan Yan Qinghua Ma Jingya Miao Ruili Cai Xi Lan Bin Wu Wenying Wang yinhua Liu Dai-Zhong Wang Mianfu Cao Zhicheng He Yu Shi Yifang Ping Xiaohong Yao Xia Zhang Peng Zhang Ji Ming Wang Yan Wang Youhong Cui Xiu-Wu Bian Institute of Pathology and Southwest Cancer Center Southwest HospitalArmy Medical University(former Third Military Medical University)400038 ChongqingChina Department of Pathology The First Affiliated Hospital of University of Science and Technology of China230036 HefeiAnhuiChina Intelligent Pathology Institute Division of Life Sciences and MedicineUniversity of Science and Technology of China230036 HefeiAnhuiChina Department of Pathology General Hospital of Central Theater Command of PLA627 Wuluo RoadHongshan District430070 WuhanHubeiChina Xinqiao Hospital Army Medical University400038 ChongqingChina Department of Pathology The First Affiliated Hospital of Wannan Medical College241001 WuhuAnhuiChina Department of Pathology Taihe HospitalHubei University of Medicine442000 ShiyanHubeiChina Laboratory of Cancer and Immunometabolism Center for Cancer ResearchNational Cancer Institute at FrederickFrederickMD 21703US

Medulloblastoma(MB)is one of the most common childhood malignant brain tumors(WHO grade IV),traditionally divided into WNT,SHH,Group 3,and Group 4 subgroups based on the transcription profiles,somatic DNA alterations,and clinical *** WNT and SHH subgroup MBs,Group 3 and Group 4 MBs have similar transcriptomes and lack clearly specific drivers and targeted therapeutic *** recently revised WHO Classification of CNS Tumors has assigned Group 3 and 4 to a provisional non-WNT/SHH *** the present study,we demonstrate that Kir2.1,an inwardly-rectifying potassium channel,is highly expressed in non-WNT/SHH MBs,which promotes tumor cell invasion and metastasis by recruiting Adam10 to enhance S2 cleavage of Notch2 thereby activating the Notch2 signaling *** of the Notch2 pathway markedly inhibited the growth and metastasis of Kir2.1-overexpressing MB cell-derived xenograft tumors in ***,Kir2.1^(high)/nuclear N2ICD^(high)MBs are associated with the significantly shorter lifespan of the ***,Kir2.1^(high)/nuclear N2ICD^(high)can be used as a biomarker to define a novel subtype of non-WNT/SHH *** findings are important for the modification of treatment regimens and the development of novel-targeted therapies for non-WNT/SHH MBs.

关键词： Kir2.1 invasion markedly

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