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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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Testing flexible polymer solar cells in near-space

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National Science Review 2023年第5期10卷 105-106页

作者： peter müller-buschbaum Department of Physics TUM School of Natural Sciencesand Heinz Maier-Leibnitz-Zentrum(MLZ)Technical University of Munich

Since the big success of the Vanguard1 mission,being the first solar-powered satellite,the use of solar cells in space developed very ***,conventional solar cell technologies for space are based on silicon and GaAs **... 详细信息

关键词： PEROVSKITE

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Efficient and stable Ruddlesden-Popper layered tin-based perovskite solar cells enabled by ionic liquid-bulky spacers

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Science China Chemistry 2021年第9期64卷 1577-1585页

作者： Jian Qiu Yuexin Lin Xueqin Ran Qi Wei Xingyu Gao Yingdong Xia peter müller-buschbaum Yonghua Chen Key Laboratory of Flexible Electronics(KLOFE)&Institution of Advanced materials(IAm) Nanjing Tech University(NanjingTech)Nanjing211816China Frontiers Science Center for Flexible Electronics Xi’an Institute of Flexible Electronics(IFE)and Xi’an Institute of Biomedical Materials&EngineeringNorthwestern Polytechnical UniversityXi’an710072China Shanghai Synchrotron Radiation Facility Shanghai Institute of Applied PhysicsChinese Academy of SciencesShanghai201204China Lehrstuhl für Funktionelle materialien Physik DepartmentTechnische Universität München85748GarchingGermany Heinz maier-Leibnitz Zentrum(mLZ) Technische Universität München85748GarchingGermany

The crucial component,bulky spacers,in two-dimensional Ruddlesden-Popper(2 DRP)layered tin(Sn)perovskites are highly limited by halide ammonium salts,leading to the insufficient control of complex crystallization process due to the limited interaction between bulky spacers and 2 DRP perovskite ***,we report an ionic liquid-bulky spacer,butylammounium acetate(BAAc O),for constructing efficient and stable 2 DRP Sn-based perovskite solar cells(PSCs).In contrast to the traditional halide ammonium bulky spacer,butylammounium iodide(BAI),the Ac O^(-)-functional group in BAAc O has a strong interaction with formamidine ions(FA^(+))and Sn2+.The inter-component interaction allows the formation of controllable intermediates for the favorable growth of smooth,dense,and highly oriented perovskite films.A PSC with power conversion efficiency of 10.36%(7.16%for BAI)is achieved,which is the highest report,along with improved stability with~90%retained after~600 h storage in N_(2) atmosphere without any encapsulation.

关键词： lead-free Ruddlesden-Popper phase Sn-based perovskite solar cells ionic liquid-bulky spacer crystallization kinetic control

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Stability of mixed-halide wide bandgap perovskite solar cells: Strategies and progress

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Journal of Energy Chemistry 2021年第10期30卷 395-415,I0011页

作者： Lei Tao Jian Qiu Bo Sun Xiaojuan Wang Xueqin Ran Lin Song Wei Shi Qi Zhong Ping Li Hui Zhang Yingdong Xia peter müller-buschbaum Yonghua Chen Key Laboratory of Flexible Electronics(KLOFE)&Institution of Advanced materials(IAm) Nanjing Tech University(Nanjing Tech)Nanjing 211816JiangsuChina Frontiers Science Center for Flexible Electronics Xi’an Institute of Flexible Electronics(IFE)and Xi’an Institute of Biomedical Materials&EngineeringNorthwestern Polytechnical UniversityXi’an 710072ShaanxiChina Key Laboratory of Advanced Textile materials&manufacturing Technology Ministry of EducationZhejiang Sci-Tech UniversityHangzhou 310018ZhejiangChina Lehrstuhl für Funktionelle materialien Physik DepartmentTechnische Universität MünchenJames-Franck-Str.185748 GarchingGermany Heinz maier-Leibnitz Zentrum(mLZ) Technische Universität MünchenLichtenbergstr.185748 GarchingGermany

Benefiting from the superior optoelectronic properties and low-cost manufacturing techniques,mixedhalide wide bandgap(WBG)perovskite solar cells(PSCs)are currently considered as ideal top cells for fabricating multi-junction or tandem solar cells,which are designed to beyond the Shockley-Queisser(S-Q)limit of single-junction solar ***,the poor long-term operational stability of WBG PSCs limits their further employment and hinders the marketization of multi-junction or tandem solar *** this review,recent progresses on improving environmental stability of mixed-halide WBG PSCs through different strategies,including compositional engineering,additive engineering,interface engineering,and other strategies,are ***,the outlook and potential direction are discussed and explored to promote the further development of WBG PSCs and their applications in multijunction or tandem solar cells.

关键词： mixed halide perovskite Stability Tandem solar cells Wide bandgap perovskite

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Residual solvent extraction via chemical displacement for efficient and stable perovskite solar cells

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Journal of Energy Chemistry 2021年第10期30卷 8-14,I0001页

作者： min Fang Lei Tao Wen Wu Qi Wei Yingdong Xia Ping Li Xueqin Ran Qi Zhong Guichuan Xing Lin Song peter müller-buschbaum Hui Zhang Yonghua Chen Key Laboratory of Flexible Electronics(KLOFE)&Institution of Advanced materials(IAm) Nanjing Tech University(Nanjing Tech)Nanjing 211816JiangsuChina Frontiers Science Center for Flexible Electronics Xi’an Institute of Flexible Electronics(IFE)and Xi’an Institute of Biomedical Materials&EngineeringNorthwestern Polytechnical UniversityXi’an 710072ShaanxiChina Key Laboratory of Advanced Textile materials&manufacturing Technology Ministry of EducationZhejiang Sci-Tech UniversityHangzhou 310018ZhejiangChina Institute of Joint Key Laboratory of the Applied Physics and materials Engineering University of MacaoAvenida da UniversidadeTaipa 999078MacaoChina Lehrstuhl für Funktionelle materialien Physik DepartmentTechnische Universität München.James-Franck-Str.185748 GarchingGermany Heinz maier-Leibnitz Zentrum(mLZ) Technische Universität MünchenLichtenbergstr.185748 GarchingGermany

Solvent residue is inevitable to occur in solution processed thin films,but its influence on the thin film quality has not been identified and addressed to *** acetate(mAAc)ionic liquid has recently been realized as an environmentally friendly solvent for solution processed *** specific high viscosity,low vapor pressure and strong association with perovskite precursor of the mAAc solvent is a double-edged sword,which endowed an advantageously ambient air operational and anti-solvent free perovskite deposition,but the mAAc is likely to be retained within the film and bring in detrimental effects on device performance of the corresponding solar ***,we reported a novel route to eliminate the residual solvent via a facial hydrochloric acid(HCl)annealing post-treatment(HAAP).In particular,chemical displacement reaction between the incorporated HCl and residual mAAc can be initiated to form volatile mACl and HAc,efficiently extracting mAAc *** the meanwhile,the stimulated mass transport via downward penetration and upward escape can trigger secondary perovskite growth with enlarged grain size and smoothened surface,leading to reduced defect state and improved interfacial contact intimacy,and also partial chloride ions are able to enter the crystal lattice to stabilize perovskite phase *** a result,a champion efficiency up to20.78%originating from enhanced Voc was achieved,and more than 96%of its initial efficiency can be maintained after 1000 h shelf-storage.

关键词： Perovskite Solar cells Solvent residue methylammonium acetate Post-treatment Chemical displacement

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Chiral cation promoted interfacial charge extraction for efficient tin-based perovskite solar cells

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Journal of Energy Chemistry 2022年第5期31卷 789-796页

作者： Weiyin Gao He Dong Nan Sun Lingfeng Chao Wei Hui Qi Wei Hai Li Yingdong Xia Xingyu Gao Guichuan Xing Zhongbin Wu Lin Song peter müller-buschbaum Chenxin Ran Yonghua Chen Frontiers Science Center for Flexible Electronics Xi’an Institute of Flexible Electronics(IFE)and Xi’an Institute of Biomedical Materials&EngineeringNorthwestern Polytechnical UniversityXi’an 710072ShaanxiChina Key Laboratory of Flexible Electronics(KLOFE)&Institution of Advanced materials(IAm) Nanjing Tech University(NanjingTech)Nanjing 211816JiangsuChina Joint Key Laboratory of the ministry of Education Institute of Applied Physics and Materials EngineeringUniversity of MacaoMacaoChina Shanghai Synchrotron Radiation Facility(SSRF) Zhangjiang LaboratoryShanghai Advanced Research InstituteChinese Academy of SciencesShanghaiChina Lehrstuhl für Funktionelle materialien Physik DepartmentTechnische Universität München.James-Franck-Str.185748 GarchingGermany Heinz maier-Leibnitz Zentrum(mLZ) Technische Universität MünchenLichtenbergstr.185748 GarchingGermany

Pb-free Sn-based perovskite solar cells(PSCs) have recently made inspiring progress, and power conversion efficiency(PCE) of 14.8% has been achieved. However, due to the energy-level mismatch and poor interfacial contact between commonly used hole transport layer(i.e., poly(3,4-ethylenedioxythio phene):poly(styrene sulfonate), PEDOT:PSS) and FASnI_(3) film, it is still challenging to effectively extract holes at the interface. Owing to the p-type nature of Sn-based perovskites, the efficient hole extraction is of particular significance to improve the PCE of their solar cells. In this work, for the first time, the role of chiral cations, a-methylbenzylamine(S-/R-/rac-mBA), in promoting hole transportation of FASnI_(3)-based PSCs is demonstrated. The introduction of mBAs is found to form 2D/3D film with lowdimensional structures locating at PEDOT:PSS/FASnI_(3) interface, which facilitates the energy level alignment and efficient charge transfer at the interface. Importantly, chiral-induced spin selectivity(CISS)effect of R-mBA_(2)SnI_(4)induced by chiral R-mBA cation is found to further assist the specific interfacial transport of accumulated holes. As a result, R-mBA-based PSCs achieve decent PCE of 10.73% with much suppressed hysteresis and enhanced device stability. This work opens up a new strategy to efficiently promote the interfacial extraction of accumulated charges in working PSCs.

关键词： Tin perovskite Chiral cation 2D/3D structure Interfacial charge extraction Solar cells

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Stable metal–Halide Perovskite Colloids in Protic Ionic Liquid

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CCS Chemistry 2022年第10期4卷 3264-3274页

作者： Hao Gu Tingting Niu Shouwei Zuo Yongqing Cai Lingfeng Chao peter müller-buschbaum Yingdong Xia Jing Zhang Guichuan Xing Yonghua Chen Key Laboratory of Flexible Electronics(KLOFE) Institution of Advanced Materials(IAM)Nanjing Tech University(NanjingTech)Nanjing 211816Jiangsu Joint Key Laboratory of the ministry of Education Institute of Applied Physics and Materials EngineeringUniversity of MacaoTaipa 999078Macao Frontiers Science Center for Flexible Electronics Xi’an Institute of Flexible Electronics(IFE)Xi’an Institute of Biomedical Materials&EngineeringNorthwestern Polytechnical UniversityXi’an 710072 Beijing Synchrotron Radiation Facility Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049 University of Chinese Academy of Sciences Beijing 100049 Lehrstuhl für Funktionelle materialien Physik DepartmentTechnische Universität MünchenGarching 85748 Heinz maier-Leibnitz Zentrum(mLZ) Technische Universität MünchenGarching 85748

Obtaining long-term stable and robust perovskite colloids solution remains an important scientific challenge due to the limited interaction between solvent and perovskite ***,we unveil the formation mechanism of chemically robust perovskite precursor solutions under ambient conditions using methylammonium acetate(CH3NH3•CH3COO,mAAc)protic ionic liquid(PIL)*** of nanometers colloids are assembled on the molecular level via regular oriented gel-like lamellae with a mean thickness of 34.69 nm,width of 56.81 nm,and distance of 91.05 nm.

关键词： perovskite colloids protic ionic liquid X-ray absorption fine structure spectroscopy coordination interaction

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All-optical controlled-NOT logic gate achieving directional asymmetric transmission based on metasurface doublet

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光电进展(英文) 2023年第7期6卷 41-49页

作者： Yijia Huang Tianxiao Xiao Shuai Chen Zhengwei Xie Jie Zheng Jianqi Zhu Yarong Su Weidong Chen Ke Liu mingjun Tang peter müller-buschbaum Ling Li Laboratory of micro-Nano Optics College of Physics and Electronic EngineeringSichuan Normal UniversityChengdu 610101China Physik-Department Lehrstuhl für Funktionelle MaterialienTechnische Universität MünchenJames-Franck-Straße 185748GarchingGermany Heinz maier-Leibnitz Zentrum(mLZ) Technische Universität MünchenLichtenbergstraße.185748GarchingGermany Tianjin Huahuixin Technology Group Co. LtdZhongtian AvenueTianjin 300467China

Optical logic gates play important roles in all-optical logic circuits,which lie at the heart of the next-generation optical computing ***,the intrinsic contradiction between compactness and robustness hinders the development in this ***,we propose a simple design principle that can possess multiple-input-output states according to the incident circular polarization and direction based on the metasurface doublet,which enables controlled-NOT logic gates in infrared ***,the directional asymmetric electromagnetic transmission can be *** a proof of concept,a spin-dependent Janus metasurface is designed and experimentally verified that four distinct images corresponding to four input states can be captured in the *** addition,since the design method is derived from geometric optics,it can be easily applied to other *** believe that the proposed metasurface doublet may empower many potential applications in chiral imaging,chiroptical spectroscopy and optical computing.

关键词： metasurface polarization control asymmetric transmission logic gate

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Scalable Synthesis of Hierarchical Antimony/Carbon micro-/Nanohybrid Lithium/Sodium-Ion Battery Anodes Based on Dimethacrylate monomer

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Acta metallurgica Sinica(English Letters) 2018年第9期31卷 910-922页

作者： Su-Zhe Liang Xiao-Yan Wang Yong-Gao Xia Sen-Lin Xia Ezzeldin metwalli Bao Qiu Qing Ji Shan-Shan Yin Shuang Xie Kai Fang Lu-Yao Zheng mei-mei Wang Xiu-Xia Zuo Ru-Jiang Li Zhao-Ping Liu Jin Zhu peter müller-buschbaum Ya-Jun Cheng North University of China Taiyuan 030051China Ningbo Institute of materials Technology and Engineering Chinese Academy of SciencesNingbo 315201China University of Chinese Academy of Sciences Beijing 100049China Physik-Department Lehrstuhl fur Funktionelle MaterialienTechnische Universitat MunchenJames-Franck-Str.185748 GarchingGermany The University of Nottingham Ningbo China Ningbo 315100China Nano Science and Technology Institute University ofScience and Technology of ChinaSuzhou 215123China Department of materials University of OxfordParks RdOxford OX1 3PHUK

A facile scalable synthesis of hierarchical Sb/C micro-/nanohybrid has been addressed in this work, which possesses the advantages of both micrometer and nanometer scale structures as lithium-ion battery anode. Difunctional methacrylate monomers are used as solvent and carbon source as well. Liquid precursor of antimony（III） n-butoxide is dissolved in the resin monomer solution, and further incorporated into the cross-linking polymer network via photo polymerization. Through calcination in argon/hydrogen atmosphere, antimony nanoparticles are in situ formed by carbothermal reduction, and homogeneously embedded in the in situ formed micrometer sized carbon matrix. The morphology, structure, crys- tallinity, spatial dispersion, composition, and electrochemical performance of the Sb/C micro-/nanohybrid are systemati- cally investigated. The cyclic and rate performance of the Sb/C micro-/nanohybrid anode have been effectively improved compared to the pure carbon anode. A reversible capacity of 362 mAh g-1 is achieved with a reasonable mass loading density after 300 cycles at 66 mA g-1, corresponding to capacity retention of 79%. With reducing mass loading density, the reversible capacity reaches 793 mAh g-1 after 100 cycles. moreover, the electrochemical performance of Sb/C micro-/nanohybrid as sodium-ion battery anode is also investigated in this study.

关键词： Antimony/carbon micro-/nanohybrid Lithium-ion battery Sodium-ion battery. Anode methacrylate Photo polymerization Thermosetting resin

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基于原位中子反射技术追踪聚丙烯酸酯类温敏薄膜在真空环境下的去水合行为

基于原位中子反射技术追踪聚丙烯酸酯类温敏薄膜在真空环境下的去...

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中国化学会2017全国高分子学术论文报告会

作者：钟齐王际平 peter müller-buschbaum 浙江理工大学德国慕尼黑工业大学

在本研究中,借助于原位中子反射探究了处于膨胀状态的聚2-丙烯酸-2-（2-甲氧基乙氧基）乙酯（PmDEGA）和聚苯乙烯与聚2-丙烯酸-2-（2-甲氧基乙氧基）乙酯的嵌段共聚物（PS-b-PmDEGA-b-PS）薄膜在真空环境下的去水合行为。由于使用了氘代... 详细信息

在本研究中,借助于原位中子反射探究了处于膨胀状态的聚2-丙烯酸-2-（2-甲氧基乙氧基）乙酯（PmDEGA）和聚苯乙烯与聚2-丙烯酸-2-（2-甲氧基乙氧基）乙酯的嵌段共聚物（PS-b-PmDEGA-b-PS）薄膜在真空环境下的去水合行为。由于使用了氘代水,借助于中子对氘代水的强散射,能够追踪去水合过程中薄膜的结构动态演变和氘代水分子在薄膜中的传输和分布。研究发现,膨胀状态的薄膜在施加真空后,薄膜急剧收缩,氘代水含量显著降低。该去水合过程可用Schott二级动力学方程描述。值得注意的是,薄膜残余的水含量与占据薄膜自由体积的水含量相当,说明该部分水分子极难从薄膜中移除。而对于PS-b-PmDEGA-b-PS薄膜,疏水的PS嵌段对水分子传输存在阻碍作用,使得薄膜的去水合速度减慢了30%。同时,处于真空平衡状态下的薄膜中,PmDEGA嵌段仍含有一定量的水,而PS嵌段则变为完全干燥。

关键词：温敏聚合物去水合中子反射薄膜嵌段共聚物

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