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Two-Dimensional Materials for Highly Efficient and Stable Perovskite Solar Cells

Nano-Micro Letters 2024年第10期16卷 176-212页

作者： Xiangqian Shen Xuesong Lin Yong Peng yiqiang zhang Fei Long Qifeng Han Yanbo Wang Liyuan Han State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong UniversityShanghai 200240People's Republic of China Xinjiang Key Laboratory of Solid State Physics and Devices School of Physical Science and TechnologyXinjiang UniversityUrumqi 830046People's Republic of China Special Division of Environmental and Energy Science College of Arts and SciencesKomaba Organization for Educational ExcellenceUniversity of TokyoTokyo 153-8902Japan State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070People's Republic of China College of Chemistry Henan Institute of Advanced TechnologyZhengzhou UniversityZhengzhou 450001People's Republic of China Guangxi Key Laboratory of Optical and Electronic Materials and Devices Collaborative Innovation Center for Exploration of Nonferrous Metal Deposits and Efficient Utilization of ResourcesSchool of Materials Science and EngineeringGuilin University of TechnologyGuilin 541004People's Republic of China

Perovskite solar cells(PSCs)offer low costs and high power conversion ***,the lack of long-term stability,primarily stemming from the interfacial defects and the sus-ceptible metal electrodes,hinders their practical *** the past few years,two-dimensional(2D)materials(e.g.,graphene and its derivatives,transitional metal dichalcogenides,MXenes,and black phosphorus)have been identified as a promising solution to solving these problems because of their dangling bond-free surfaces,layer-dependent electronic band structures,tunable functional groups,and inherent ***,recent progress of 2D material toward efficient and stable PSCs is summarized,including its role as both interface materials and *** discuss their beneficial effects on perovskite growth,energy level alignment,defect passivation,as well as blocking external *** particular,the unique properties of 2D materials to form van der Waals heterojunction at the bottom interface are ***,perspectives on the further development of PSCs using 2D materials are provided,such as designing high-quality van der Waals heterojunction,enhancing the uniformity and coverage of 2D nanosheets,and developing new 2D materials-based electrodes.

关键词： Perovskite solar cells Two-dimensional materials Interface engineering Van der Waals heterojunction Electrodes

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Unveiling the surface-interface properties of perovskite crystals and pivotal regulation strategies

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Nano Research 2024年第5期17卷 3950-3981页

作者： Qin Li Ziyu Wang Junjie Ma Mengqi Han Peng Gao Meng Cai yiqiang zhang Yanlin Song Shou Peng Henan Institute of Advanced Technology College of ChemistryZhengzhou UniversityZhengzhou 450001China Key Laboratory of Green Printing Institute of ChemistryChinese Academy of Sciences(ICCAS)Beijing 100190China China National Building Material Group Co. Ltd.Beijing 100036China State Key Laboratory of Advanced Technology for Float Glass Beijing 100036China

Metal-halide perovskite solar cells have garnered significant research attention in the last decade due to their exceptional photovoltaic performance and potential for *** achieving remarkable power conversion efficiency of up to 26.1%,a substantial discrepancy persists when compared to the theoretical Shockley-Queisser(SQ)*** of the most serious challenges facing perovskite solar cells is the energy loss incurred during photovoltaic conversion,which affects the SQ limits and stability of the *** significant than the energy loss occurring in the bulk phase of the perovskite is the energy loss occurring at the ***,we provide a systematic overview of the physical and chemical properties of the ***,we delve into the underlying mechanism causing the energy deficit and structural degradation at the surface-interface,aiming to enhance the understanding of carrier transport processes and structural chemical ***,we systematically summarized the primary modulating pathways,including surface reconstruction,dimensional construction,and electric-field ***,we propose directions for future research to advance the efficiency of perovskite solar cells towards the radiative limit and their widespread commercial application.

关键词： perovskite solar cells surface-interface treatment defect modification dimensional design energy regulation heterojunction and homojunction

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Structure-regulated fluorine-containing additives to improve the performance of perovskite solar cells

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Nano Research 2024年第7期17卷 6080-6086页

作者： Peiya Chen Xiaoman Bi Hao Yan Yingjie Zhao Yihao Liu Zhuo Huang Qian Xiao Yongpeng Yang Shasha zhang yiqiang zhang Yanlin Song Henan Institute of Advanced Technology College of ChemistrySchool of Materials Science and EngineeringZhengzhou UniversityZhengzhou 450001China Key Laboratory of Green Printing CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of Sciences(ICCAS)Beijing Engineering Research Center of Nanomaterials for Green Printing TechnologyNational Laboratory for Molecular Sciences(BNLMS)Beijing 100190China

Perovskite solar cells(PSCs)have seen remarkable progress in recent years,largely attributed to various additives that enhance both efficiency and *** these,fluorine-containing additives have garnered significant interest because of their unique hydrophobic properties,effective defect passivation,and regulation capability on the crystallization ***,a targeted structural approach to design such additives is necessary to further enhance the performance of ***,fluoroalkyl ethylene with different fluoroalkyl chain lengths(CH_(2)CH(CF_(2))nCF_(3),n=3,5,and 7)as liquid additives is used to investigate influences of fluoroalkyl chain lengths on crystallization regulation and defect *** findings indicate that optimizing the quantity of F groups plays a crucial role in regulating the electron cloud distribution within the additive *** optimization fosters strong hydrogen bonds and coordination effects with FA+and uncoordinated Pb^(2+),ultimately enhancing crystal quality and device ***,1H,1H,2H-perfluoro-1-hexene(PF_(3))with the optimal number of F presents the most effective modulation effect.A PSC utilizing PF_(3)achieves an efficiency of 24.05%,and exhibits exceptional stability against humidity and thermal *** work sheds light on the importance of tailored structure designs in additives for achieving high-performance PSCs.

关键词： perovskite solar cells fluorine number additive structure crystallization regulation defect passivation

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Advances in Intermediates for the Solution-Processing of Perovskite Films

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CCS Chemistry 2024年第3期6卷 585-603页

作者： Ziqiu Ren Binyang Tuo Na Wang Junjie Ma Pengwei Li yiqiang zhang Yanlin Song Henan Institute of Advanced Technology College of ChemistryZhengzhou UniversityZhengzhou 450052 Key Laboratory of Green Printing Institute of ChemistryChinese Academy of Sciences(ICCAS)Beijing Engineering Research Center of Nanomaterials for Green Printing TechnologyNational Laboratory for Molecular Sciences(BNLMS)Beijing 100190

Owing to its superior efficiency and low cost,the solution-processable perovskite has rapidly become the latest favorite material in the field of *** solution processing significantly reduces the threshold and cost of perovskite solar cells,the intricate composition and nonequilibrium nucleation of the perovskite precursor can result in leaky *** precise control of perovskite nucleation and orientation is a fundamental prerequisite for achieving high-quality perovskite photoactive *** this process,the intermediate species that widely exists either in the precursor or the asprepared film acts as a transitional state for perovskite nucleation and growth from solution to solid,presenting an opportunity for controlling perovskite ***,we present an overview of the advancements in intermediates for solution-processing perovskite films to gain insights into the growth and manipulation of polycrystalline perovskite films.

关键词： perovskite solar cells intermediates solvent engineering phase transformation nucleation and growth

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中国式现代化国际叙事的三重逻辑

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甘肃社会科学 2024年第2期 27-37页

作者：张宜强段钢中共上海市委党校科学社会主义教研部上海200233 复旦大学马克思主义学院上海200433 上海社会科学院马克思主义学院上海200023

中国式现代化的国际叙事逻辑是历时性逻辑、共时性逻辑、现实性逻辑的辩证统一。从历时性角度看,马克思主义在世界现代化的第一波浪潮中应运而生,社会主义现代化在世界现代化的第二波浪潮中由理论走向实践,而中国式现代化从属于世界现... 详细信息

中国式现代化的国际叙事逻辑是历时性逻辑、共时性逻辑、现实性逻辑的辩证统一。从历时性角度看,马克思主义在世界现代化的第一波浪潮中应运而生,社会主义现代化在世界现代化的第二波浪潮中由理论走向实践,而中国式现代化从属于世界现代化的第三波浪潮并实现成功转型,且与世界现代化的历史进程相融贯。从共时性角度看,中国式现代化是自主原创性的现代化,是作为社会主义新文明的现代化,是中国化的马克思主义指引的现代化,是书写中国新现代性的现代化,在世界现代化的多元类型中彰显了自身特点与独特价值。从现实性角度看,中国式现代化坚持全体人民共同富裕,破解了西方现代化的两极分化困境;中国式现代化坚持物质文明与精神文明相协调,破解了西方现代化的主体价值异化困境;中国式现代化坚持自信自立与自主创新,破解了发展中国家的后发依附性困境;中国式现代化坚持走和平发展道路,并以推动构建人类命运共同体、高质量共建“一带一路”凝聚世界现代化的发展合力,在回应“建设一个什么样的世界、如何建设这个世界”中不断开辟现代化国际叙事的新篇章。

关键词：中国式现代化国际叙事现代化浪潮现代化类型现代化困境

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Carboniferous-Permian rugose coral Cyathaxonia faunas in China

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Science China Earth Sciences 2010年第12期53卷 1864-1872页

作者： WANG XiangDong zhang yiqiang LIN Wei LPS Nanjing Institute of Geology and PalaeontologyChinese Academy of SciencesNanjing 210008China Graduate University of Chinese Academy of Sciences Beijing 100049China

The Cyathaxonia faunas are widely distributed in the Carboniferous and Permian strata in *** fauna in China contains 12 families and 40 genera,and can be recognized as three episodes from Early Carboniferous to the end-Permian in terms of their occurrence and composition:1) Mississippian;2) Pennsylvanian-Early Permian;3) Middle Permian-Late *** were relatively abundant in episodes 1 and 2.A decrease of family Antiphyllidae and an increase of family Hapsiphyllidae can be observed from Early Carboniferous to the *** case studies are given to illustrate the bio-facies of the Cyathaxonia faunas,which are from the Mississippian of Baoshan,West Yunnan and the Mississippian of Chaohu,South *** both areas,Cyathaxonia faunas occur just below the large dissepimented solitary and compound coral assemblages in a continuous sequence in a single section,which implies that the occurrence of these small,non-dissepimented solitary corals is not strictly related with Gondwanan or Peri-gondwanan cold water environment,but might be controlled by such benthic conditions as deeper,mud-rich,quieter,and darker sedimentary environments.

关键词： Cyathaxonia fauna Carboniferous Permian paleoecology China Gondwana

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13例服用中药偏方致铅中毒患者诊疗分析

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中华灾害救援医学 2024年第5期11卷 615-617页

作者：肖敏敏张宜强泰安市公共卫生医疗中心(泰安市职业病医院) 山东泰安271000

目的分析中药偏方致铅中毒的诊疗过程,提高对偏方致铅中毒的认识并降低误诊率。方法分析2022年5月至2023年9月泰安市公共卫生医疗中心收治的13例偏方致铅中毒患者的临床资料及诊治心得。结果13例患者均以腹绞痛、腹胀为主要就诊症状,血... 详细信息

目的分析中药偏方致铅中毒的诊疗过程,提高对偏方致铅中毒的认识并降低误诊率。方法分析2022年5月至2023年9月泰安市公共卫生医疗中心收治的13例偏方致铅中毒患者的临床资料及诊治心得。结果13例患者均以腹绞痛、腹胀为主要就诊症状,血铅水平均高于正常值,部分患者出现蛋白尿、肝功异常、贫血等症状。经驱铅治疗后患者各项指标恢复正常。结论对有使用偏方史且出现腹绞痛、不完全肠梗阻、肝功异常、贫血等症状者,应高度怀疑偏方致铅中毒,需采取积极驱铅治疗。

关键词：中药偏方铅中毒治疗学

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Hyperdoped silicon:Processing,properties,and devices

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Journal of Semiconductors 2022年第9期43卷 10-24页

作者： Zhouyu Tong Mingxuan Bu yiqiang zhang Deren Yang Xiaodong Pi State Key Laboratory of Silicon Materials&School of Materials Science and Engineering Zhejiang UniversityHangzhou 310027China School of Materials Science and Engineering&College of Chemistry Zhengzhou UniversityZhengzhou 450001China Institute of Advanced Semiconductors&Zhejiang Provincial Key Laboratory of Power Semiconductor Materials and Devices Hangzhou Innovation CenterZhejiang UniversityHangzhou 311215China

Hyperdoping that introduces impurities with concentrations exceeding their equilibrium solubility has been attract-ing great interest since the tuning of semiconductor properties increasingly relies on extreme *** this review we fo-cus on hyperdoped silicon(Si)by introducing methods used for the hyperdoping of Si such as ion implantation and laser dop-ing,discussing the electrical and optical properties of hyperdoped bulk Si,Si nanocrystals,Si nanowires and Si films,and present-ing the use of hyperdoped Si for devices like infrared photodetectors and solar *** perspectives of the development of hy-perdoped Si are also provided.

关键词： silicon hyperdoping ion implantation laser doping photodetectors solar cells

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低维钙钛矿太阳能电池的制备与光电性能研究——推荐一个综合化学实验

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大学化学 2024年第1期39卷 201-209页

作者：张家浩李鹏伟李恺张懿强宋延林郑州大学化学学院郑州450001 中国科学院化学研究所北京100190

低维钙钛矿太阳能电池(Low-Dimensional Perovskite Solar Cells,LD PSCs)是一种稳定性好、疏水性强的新型钙钛矿光伏器件,在新能源领域受到了广泛的关注。本实验以领域内的前沿进展为出发点,提供丁胺(Butylammonium,BA)离子、半胱氨酸... 详细信息

低维钙钛矿太阳能电池(Low-Dimensional Perovskite Solar Cells,LD PSCs)是一种稳定性好、疏水性强的新型钙钛矿光伏器件,在新能源领域受到了广泛的关注。本实验以领域内的前沿进展为出发点,提供丁胺(Butylammonium,BA)离子、半胱氨酸(2-氨基-3-巯基丙酸,Cysteine,Cys)离子作为有机间隔阳离子,合成了低维钙钛矿晶体并制备出以(BA)2(MA)n-1PbnI3n+1或(Cys)2(MA)n-1PbnI3n+1为活性层的钙钛矿太阳能电池,并通过X射线衍射检测、紫外-可见吸收检测等手段对产品进行表征,之后测定了钙钛矿器件的能量转换效率。本实验难度适中,涉及光伏器件的制备与表征,旨在激励本科生对前沿光电研究产生兴趣、培养其科研能力。

关键词：低维钙钛矿钙钛矿太阳能电池综合化学实验光电性能

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Multifunctional Perovskite Photodetectors: From Molecular-Scale Crystal Structure Design to Micro/Nano-scale Morphology Manipulation

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Nano-Micro Letters 2023年第10期15卷 565-594页

作者： Yingjie Zhao Xing Yin Pengwei Li Ziqiu Ren Zhenkun Gu yiqiang zhang Yanlin Song College of Chemistry Zhengzhou UniversityZhengzhou 450001People’s Republic of China Henan Institute of Advanced Technology Zhengzhou UniversityZhengzhou 450001People’s Republic of China Key Laboratory of Green Printing Institute of ChemistryChinese Academy of Sciences(ICCAS)Beijing 100190People’s Republic of China

Multifunctional photodetectors boost the development of traditional optical communication technology and emerging artificial intelligence fields, such as robotics and autonomous driving. However, the current implementation of multifunctional detectors is based on the physical combination of optical lenses, gratings, and multiple photodetectors, the large size and its complex structure hinder the miniaturization, lightweight, and integration of devices. In contrast, perovskite materials have achieved remarkable progress in the field of multifunctional photodetectors due to their diverse crystal structures, simple morphology manipulation, and excellent optoelectronic properties. In this review, we first overview the crystal structures and morphology manipulation techniques of perovskite materials and then summarize the working mechanism and performance parameters of multifunctional photodetectors. Furthermore, the fabrication strategies of multifunctional perovskite photodetectors and their advancements are highlighted, including polarized light detection, spectral detection, angle-sensing detection, and selfpowered detection. Finally, the existing problems of multifunctional detectors and the perspectives of their future development are presented.

关键词： Perovskite materials Crystal structure design Micro/nano-structure manipulation Working mechanism Multifunctional photodetectors

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