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Non-destructive buffer enabling near-infrared-transparent inverted inorganic perovskite solar cells toward 1400 h light-soaking stable perovskite/Cu(In,Ga)Se_(2) tandem solar cells

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Journal of Energy chemistry 2024年第10期97卷 622-629,I0013页

作者： Yu Zhang Zhaoheng Tang Zhongyang Zhang Jiahong Tang Minghua li Siyuan Zhu Wenyan Tan Xi Jin Tongsheng Chen Jinsong Hu Chao Zhou Chunlei yang Qijie liang Xugang Guo Weimin li Weiqiang Chen yan Jiang MOE key laboratory of Laser life Science&Guangdong provincial key laboratory of Laser life Science Guangzhou Key Laboratory of Spectral Analysis and Functional ProbesCollege of BiophotonicsSouth China Normal UniversityGuangzhou 510631GuangdongChina school of Materials Science and Engineering Beijing Institute of TechnologyBeijing 100081China Songshan Lake Materials laboratory Dongguan 523429GuangdongChina department of Materials Science and Engineering Guangdong Provincial Key Laboratory of Functional Oxide Materials and DevicesSouthern University of Science and TechnologyShenzhen 518055GuangdongChina beijing Advanced Innovation Center for Soft Matter Science and Engineering College of Chemical EngineeringCollege of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing 100029China department of physics Liaoning UniversityShenyang 110036LiaoningChina beijing National laboratory for Molecular Sciences(BNLMS) Institute of ChemistryChinese Academy of SciencesBeijing 100190China School of physics and Materials Science Guangzhou UniversityGuangzhou 510006GuangdongChina Shenzhen Institute of Advanced Technology Chinese Academy of SciencesShenzhen 18055GuangdongChina

Near-infrared(NIr)transparent inverted all-inorganic perovskite solar cells(pSCs)are excellent top cell candidates in tandem *** essential challenge is the replacement of metal contacts with transparent conductive oxide(TCO)electrodes,which requires the introduction of a buffer layer to prevent sputtering *** this study,we show that the conventional buffers(i.e.,small organic molecules and atomic layer deposited metal oxides)used for organic-inorganic hybrid perovskites are not applicable to all-inorganic perovskites,due to non-uniform coverage of the vulnerable layers underneath,deterioration upon ion bombardment and moisture induced perovskite phase transition,A thin film of metal oxide nanoparticles by the spin-coating method serves as a non-destructive buffer layer for inorganic ***-inorganic inverted near-infrared-transparent pSCs deliver a pCE of 17.46%and an average transmittance of 73.7%between 780 and 1200 *** combination with an 18.56%Cu(In,Ga)Se_(2) bottom cell,we further demonstrate the first all-inorganic perovskite/CIGS 4-T tandem solar cell with a pCE of 24.75%,which exhibits excellent illumination stability by maintaining 86.7%of its initial efficiency after 1400 *** non-destructive buffer lays the foundation for efficient and stable NIr-transparent inverted inorganic perovskite solar cells and perovskite-based tandems.

关键词： CspbI_(3.perovskite Inverted perovskite solar cells Tandem solar cells Buffer layer Stability

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Understanding Bonding Nature ofα-Keggin polyoxometalates[XW_(12)O_(40)]^(n−)(X=Al,Si,p,S):A Generalized Superatomic perspective

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Energy & Environmental Materials 2024年第6期7卷 176-183页

作者： rui li Yulei Shi Famin Yu rui Wang Haitao yan Boon K.Teo Zhigang Wang department of physics Capital Normal UniversityBeijing 100048China key laboratory of Material Simulation Methods&Software of Ministry of Education College of PhysicsJilin UniversityChangchun 130012China Institute of Atomic and Molecular physics Jilin UniversityChangchun 130012China State key laboratory for physical chemistry of So{3.d Surfaces College of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China Institute of Theoretical chemistry College of ChemistryJilin UniversityChangchun 130012China

α-Keggin polyoxometalates(pOMs)[XW_(12)O_(40)]^(n−)(X=Al,Si,p,S)are widely used in batteries owing to their remarkable redox ***,the mechanism underlying the applications appears inconsistent with the widely accepted covalent bonding ***,first-principles calculations show that XW_(12)are core–shell structures composed of a shell and an XO_(4)^(n−)core,both are stabilized by covalent ***,owing to the presence of a substantial number of electrons in W_(12)O_(3.)shell,the frontier molecular orbitals of XW_(12)are not only strongly delocalized but also exhibit superatomic properties with high-angular momentum electrons that do not conform to the Jellium *** analysis indicates that energetically high lying filled molecular orbitals(MOs)have reached unusually high-angular momentum characterized by quantum number K or higher,allowing for the accommodation of numerous *** attribute confers strong electron acceptor ability and redox activity to XW_(12).Moreover,electrons added to XW_(12)still occupy the K orbitals and will not cause rearrangement of the MOs,thereby maintaining the stability of these *** findings highlight the structure–activity relationship and provide a direction for tailor-made pOMs with specific properties at atomic level.

关键词： first principles molecular orbital polyoxometalate redox activity superatom

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portable fluorogenic probe for monitoring of volatile amine vapour and food spoilage

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Chinese chemical Letters 2024年第3期35卷 257-261页

作者： Jian-Hao Zhao Wen-Xing Xu Bin li Wei Xu Wu-Kun Zhang Ming-Shuai Yuan Hui-Zi li Qing-Guo He Xiang Ma Jian-Gong Cheng yan-yan Fu State key Lab of Transducer Technology Shanghai Institute of Microsystem and Information TechnologyChinese Academy of SciencesShanghai 200050China Center of Materials Science and Optoelectronics Engineering University of the Chinese Academy of SciencesBeijing 100039China School of physical Science and Technology ShanghaiTech UniversityShanghai 201210China key laboratory for Advanced Materials and Feringa Nobel prize Scientist Joint research Center Frontiers Science Center for Materiobiology and Dynamic {3. School of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai 200237China

There are urgent needs of volatile amine gas sensors with high-performance in food quality control,disease monitoring and environmental ***-film fluorescent probe is suitable for amine vapour sensing due to its high sensitivity,high selectivity,and no polluting ***,a novel fluorescent probe based on indacenodithiophene structure withπconjugated system was designed and *** experimental results show that the films prepared by this material exhibit rapid and distinct fluorescence quenching after being exposed to saturated vapours of primary amine,secondary amine and tertiary amine represented by n-propylamine,diethylamine and trimethylamine,*** quenching of fluorescence is 84%,87%and 96%,respectively,within 10 *** detection mechanism of probe for primary amine is based on specific chemical reaction,while the detection mechanism for secondary amine and tertiary amine is intramolecular charge *** experiments show that the detection limit of the fluorescent probe for trimethylamine,an important marker of food spoilage,could reach 4.610 ***-site detection based on spoilage of small yellow croaker suggests the material possesses the potential for food freshness *** simple fluorogenic probe is an original approach to simplify real-time visual monitoring of volatile amine vapour.

关键词： Fluorescent probe Volatile amine Gas sensing Trimethylamine Food spoilage

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Evolution of Monkeypox C9L rNA G-Quadruplex Elevates the Translation of Its Only Kelch-like protein by Accelerating G-Quadruplex Unfolding Kinetics

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CCS chemistry 2024年第4期6卷 953-963页

作者： Yicong Dai Xucong Teng Difei Hu Qiushuang Zhang Jinghong li department of chemistry Center for Bioanalytical ChemistryKey Laboratory of Bioorganic Phosphorus Chemistry and Chemical BiologyTsinghua UniversityBeijing 100084 New Cornerstone Science laboratory Shenzhen 518054 beijing life Science Academy Beijing 102209 Center for Bioanalytical chemistry Hefei National Laboratory of Physical Sciences at the MicroscaleUniversity of Science and Technology of ChinaHefei 230026

Genomic surveillance of monkeypox virus(MpXV)is essential to explore the reason of its unusual *** phylogenomic analysis of the MpXV genome mainly focuses on the effect of amino acid ***,we explore the evolutionary variation of rNA G-quadruplex(rG4)of MpXV and find that the genome evolution of MpXV can also produce new effects through changes in the rG4 *** rG4 is located in MpXV’s only Kelch-like C9L gene,which encodes for an antagonist of the innate immune *** evolution of this virus increases the unfolding kinetic constant of C9L rG4 and promotes the C9 protein level in living ***,all reported MpXV genomes in 2022 carry the C9L-rG4-5 pattern with the highest unfolding kinetic ***,the rG4 ligand,rGB-1,can impede the unfolding of C9L-rG4-5 and thereby reduce the C9 protein *** findings carve out a new path to comprehensively understanding MpXV virology.

关键词： G-quadruplex rNA secondary structure unfolding kinetics monkeypox virus genomic evolution immune evasion

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Cyclic Dinucleotide Self-Assembled Nanoparticles as a Carrier-Free Delivery platform for STING-Mediated Cancer Immunotherapy

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CCS chemistry 2024年第1期6卷 177-195页

作者： Lang Zhao Shao-Hua Zhuo Tian-yang Wang Jun-Jun Wu Jing-Yun Su Wen-Hao li Bo-Dou Zhang yan-{3. li key Lab of bioorganic phosphorus chemistry&{3. biology Department of ChemistryTsinghua UniversityBeijing 100084 beijing Institute for Brain Disorders Beijing 100069 Center for Synthetic and Systems biology Tsinghua UniversityBeijing 100084

Cyclic dinucleotides(CDNs)are natural agonists of the stimulator of interferon genes(STING),which is an attractive immunotherapy ***,CDNs and their derivatives are being investigated ***,the poor bioavailability of exogenous CDNs has limited their application in *** nanocarriers are widely used for cytosolic delivery of CDNs,their loading capacity is insufficient,and their complicated composition and purification process raises bio-compatibility ***,we report a super-simplified CDN self-assembly strategy for carrier-free delivery of *** the presence of excess K^(+),CDNs form oligomers which further self-assemble with divalent metal ions(such as Mn^(2+))to form nanoparticles(Nps)in aqueous *** demonstrate that the self-assembled CDN Nps promote cellular uptake of CDNs and enhance tumor immunogenicity by remodeling the tumor microenvironment,inducing immunogenic tumor cell death and increasing tumorinfiltrating lymphocytes,which is conducive to the generation of tumor neoantigen-specific T-cell *** also demonstrate that the use of CDN Nps alone or in combination with immune checkpoint blockades inhibits tumor growth,highlighting the fact that CDN Nps are a potent platform for cancer immunotherapy.

关键词： cyclic dinucleotide STING carrierfree delivery tumor immunogenicity cancer immunotherapy

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Multistep Desolvation as a Fundamental principle Governing peptide Self-Assembly Through liquid-liquid phase Separation

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CCS chemistry 2024年第1期6卷 255-265页

作者： Chengqian Yuan ruirui Xing Jie Cui Wei Fan Junbai li Xuehai yan State key laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190 School of chemical Engineering University of Chinese Academy of SciencesBeijing 100049 Analysis and Test Center Institute of ChemistryChinese Academy of SciencesBeijing 100190 beijing National laboratory for Molecular Sciences CAS Key Laboratory of ColloidInterface and Chemical ThermodynamicsInstitute of ChemistryChinese Academy of SciencesBeijing 100190 Center for Mesoscience Institute of Process EngineeringChinese Academy of SciencesBeijing 100190

Biomolecular self-assembly based on peptides and proteins is a general phenomenon encountered in natural and synthetic ***–liquid phase separation(LLpS)is intimately involved in biomolecular self-assembly,yet the key factors at a molecular scale activating or modulating such a process remain largely ***,we discovered in our experiments that multistep desolvation is fundamental to the formation and evolution of peptide-rich droplets:The first step was partial desolvation of peptides to form peptide clusters,and the second step was selective desolvation of hydrophobic groups within clusters to trigger LLpS and the formation of peptiderich droplets,followed by complete desolvation of droplets,initiating the nucleation of peptide *** of the degree of desolvation at different stages was an effective strategy to control the self-assembly pathways and *** study sheds light on the molecular origin of LLpS-mediated self-assembly distinct from classical one-step self-assembly and paves the way for the precise control of supramolecular self-assembly.

关键词： peptide liquid-liquid phase separation multistep desolvation nanostructures self-assembly

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Effect of Low-temperature Imidization on properties and Aggregation Structures of polyimide Films with Different rigidity

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Chinese Journal of polymer Science 2024年第8期42卷 1134-1146页

作者： yan Jia Lei Zhai Song Mo Yi liu li-Xin liu Xin-Yu Du Min-Hui He lin Fan key laboratory of Science and Technology on High-tech polymer Materials Institute of ChemistryChinese Academy of SciencesBeijing 100190China School of chemical Sciences University of Chinese Academy of SciencesBeijing 100049China

The traditional high-temperature preparation process of polyimide can cause many problems and limits the wider application in extreme *** important challenge to be solved urgently is the reduction of imidization *** this work,twelve kinds of polyimide films with different chain rigidity were prepared at low temperature of 200℃,in the absence or presence of imidazole used as the *** molecular rigidity and free volume were theoretically calculated,and relationship between structure and properties were systematically *** results show that imidization reaction under low temperatures is significantly affected by the rigidity of molecula r *** rigid structure of polyimide is not conducive to the low-temperature imidization,but this adverse effect can be eliminated by adding catalyst,resulting the notably increased imidization *** optical and thermal properties can be improved to a certain extent for the {3.ly catalyzed system,resulting in relatively higher heat resistance and thermal *** the mechanical performance could be determined by com plicating factors,greatly different from polyimide films prepa red by high temperature *** investigate aggregation structures of film s,the effect of chain rigidity and catalyst on the stacking or orientation of molecular chains was further *** wo rk can contribute to the understanding of {3.ly catalyzed imidization that is rarely reported in the existing research,and will provide guidance for the low-temperature preparation of high-performance polyimides.

关键词： polyimide Imidization Catalyst Structure and properties Aggregation structures

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The issues on the commercialization of perovskite solar cells

Materials Futures

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Materials Futures 2024年第2期3卷 1-35页

作者： lixiu Zhang Yousheng Wang Xiangchuan Meng Jia Zhang pengfei Wu Min Wang Fengren Cao Chunhao Chen Zhaokui Wang Fu yang Xiaodong li Yu Zou Xi Jin yan Jiang Hengyue li Yucheng liu Tongle Bu Buyi yan Yaowen li Junfeng Fang lixin Xiao Junliang yang Fuzhi Huang Shengzhong liu Jizhong Yao liangsheng liao liang li Fei Zhang Yiqiang Zhan Yiwang Chen Yaohua Mai 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 Institute of New Energy Technology College of Information Science and TechnologyJinan UniversityGuangzhou 510632People’s Republic of China Institute of polymers and Energy chemistry(IpEC) Nanchang UniversityNanchang 330031People’s Republic of China School of Information Science and Technology Fudan UniversityShanghai 200433People’s Republic of China School of chemical Engineering and Technology Tianjin UniversityTianjin 300072People’s Republic of China School of physical Science and Technology Soochow UniversitySuzhou 215006People’s Republic of China Institute of Functional Nano&Soft Materials(FUNSOM) Soochow UniversitySuzhou 215123People’s Republic of China Institute of optoelectronics Fudan UniversityShanghai 200433People’s Republic of China College of chemistry Chemical Engineering and Materials ScienceSoochow UniversitySuzhou 215123People’s Republic of China School of physics and Electronic Science East China Normal UniversityShanghai 200241People’s Republic of China State key laboratory for Artificial Microstructure and Mesoscopic physics Department of PhysicsPeking UniversityBeijing 100871People’s Republic of China College of Biophotonics South China Normal UniversityGuangzhou 510631People’s Republic of China School of Materials Science and Engineering Beijing Institute of TechnologyBeijing 100081People’s Republic of China School of physics and Electronics Central South UniversityChangsha 410083People’s Republic of China School of Materials Science and Engineering Shaanxi Normal UniversityXi’an 710119People’s Republic of China State key laboratory of Advanced Technology for Materials Synthesis and processing Wuhan University of TechnologyWuhan 430070People’s Republic of China Microquanta semiconductor Hangzhou 311121People’s Republic of China

perovskite solar cells have aroused a worldwide research upsurge in recent years due to their soaring photovoltaic performance,ease of solution processing,and low *** power conversion efficiency record is constantly being broken and has recently reached 26.1%in the lab,which is comparable to the established photovoltaic technologies such as crystalline silicon,copper indium gallium selenide and cadmium telluride(CdTe)solar ***,perovskite solar cells are standing at the entrance of industrialization,where huge opportunities and risks ***,towards commercialization,challenges of up-scaling,stability and lead toxicity still remain,the proper handling of which could potentially lead to the widespread adoption of perovskite solar cells as a low-cost and efficient source of renewable *** review gives a holistic analysis of the path towards commercialization for perovskite solar cells.A comprehensive overview of the current state-of-the-art level for perovskite solar cells and modules will be introduced first,with respect to the module efficiency,stability and current status of *** will then discuss the challenges that get in the way of commercialization and the corresponding strategies to address them,involving the upscaling,the stability and the lead toxicity *** into the future direction of commercialization of perovskite photovoltaics was also provided,including the flexible perovskite cells and modules and perovskite indoor ***,the future perspectives towards commercialization are put forward.

关键词： commercializations perovskite solar cells state-of-the-art level challenges and perspectives indoor photovoltaics

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Anodes for low-temperature rechargeable batteries

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eScience 2024年第5期4卷 70-90页

作者： Jiawei Wang Dandan Yu Xinyu Sun Hua Wang Jinghong li School of chemistry Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of EducationBeihang UniversityBeijing 100191China department of chemistry Key Laboratory of Bioorganic Phosphorus Chemistry&Chemical BiologyTsinghua UniversityBeijing 100084China School of Materials and chemistry University of Shanghai for Science and TechnologyShanghai 200093China

rechargeable alkali metal ion(li^(+),Na^(+),K^(+))batteries have shown great success in room-temperature energy ***,their low-temperature(subzero temperature)applications are still severely restricted,and the poor electro{3. performance of the anode materials at low temperature serves as a critical ***,it is urgent to obtain a comprehensive understanding towards the key effects of low temperatures on the performance of the anodes and overview the related improving *** this work,the effects that temperature would impose on electrode performance are firstly ***,the progress in low-temperature anodes of alkali metal ion batteries is reviewed,by the classification of the reaction types of the anode materials,including intercalation-type anodes,conversion-type anodes,alloy anodes and alkali metal anodes,and corresponding strategies to improve the performance of the anodes are summarized as *** last,some promising research directions in this field are *** work is intended to shed some light on future exploitation of high-performance low-temperature anode materials.

关键词： Anode Alkali metal ion batteries Electrode materials Graphite Low temperature

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Engineering classification recycling of spent lithium-ion batteries through pretreatment:a comprehensive review from laboratory to scale-up application

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rare Metals 2024年第3期43卷 915-941页

作者： Shu-Xuan yan You-Zhou Jiang Xiang-ping Chen Lu Yuan Ting-Ting Min Yu Cao Wan-li peng Tao Zhou Hunan provincial key laboratory of chemical power Sources College of Chemistry and Chemical EngineeringCentral South UniversityChangsha 410083China College of chemistry and chemical Engineering Hunan Normal UniversityChangsha 410083China School of public policy and Management Tsinghua UniversityBeijing 100084China china Nonferrous Metal Industry's Foreign Engineering and Construction Co. LtdBeijing 100029China

The lithium-ion batteries(liBs)have been widely equipped in electric/hybrid electric vehicles(EVs/HEVs)and the portable electronics due to their excellent electrochemical ***,a large number of retired liBs that consist of toxic substances(e.g.,heavy metals,electrolytes)and valuable metals(e.g.,li,Co)will inevitably flow into the waste stream,and their incineration or landfill treatment will cause severe risks to ecosystem and human *** sustainable and efficient treatment or recycling of valuable resources from spent liBs should be fully recognized for environmental and resource *** one of the most important processes for spent liBs recycling,the pretreatment is an indispensable step,which is directly related to the subsequent metal extraction and separation *** considerable progresses have been made regarding the pretreatment technologies,there are few summarized reports concerning critical processes of spent liBs recycling,especially combination of currently available recycling technologies with industrialized applications during ***,comprehensive review of the current prevailing pretreatment technologies in laboratory to existing scale-up applications is quite necessary to reveal cutting-edge development in the field of *** this review,the current pretreatment technologies are systematically categorized and introduced,along with critical *** review focused on the various options for pretreatment processes itself,instead of general spent liBs recycling technologies without the focused topics that have been sophisticatedly reviewed by previous ***,the deactivation,discharge,dismantling,separation,liberation of active material and electrolyte treatment have been summarized with the in-depth discussion of the technology development and current status of each ***,current states of industrial development are also reviewed and discussed for the development of

关键词： Spent lithium-ion batteries(liBs) recycling pretreatment Valuable metals Cutting-edge technologies Industrialized application

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