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Recent progress of scalable perovskite solar cells and modules

Energy Reviews 2022年第2期1卷 38-59页

作者： Fei Wang Yu Han Dawei Duan Chuangye Ge Hanlin Hu Gang Li Hoffman Institute of Advanced Materials Shenzhen Polytechnic7098 Liuxian BoulevardShenzhen518055China Department of Electronic and Information Engineering Research Institute for Smart Energy(RISE)The Hong Kong Polytechnic UniversityHung HomKowloonHong KongChina The Hong Kong Polytechnic University Shenzhen Research Institute GuangdongShenzhen518057China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and EngineeringWuhan University of TechnologyWuhanChina

The rapid development of perovskite solar cells(PSCs)over the past decade makes it the most promising next generation photovoltaic *** progress in efficiency and stability has been demonstrated in laboratory level,while endeavours are extremely required to enable successful transfer of the printable PSC technology to industry scale toward *** this work,recent progresses on upscaling of PSCs are systematically *** with the traditional PSC structure,we have analyzed the specially designed configuration for perovskite solar modules(PSMs).The comprehensive overview and assessment are provided for the technologies engineering in large-scale preparation,including both solution processing and vapor-phase deposition *** the promoting effect of material engineering to scale up PSMs,the application of additive engineering,solvent engineering and interface engineering on the stability and efficiency of PSMs is systematacially ***,the effect of current packaging technology of PSMs on device lifetime and environmental friendliness is *** last,we propose the prospects and challenges of PSMs commercialization in the future to meet the requirements for next generation photovoltaic industry.

关键词： Perovskites Photovoltaics Large-scale device Modules

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Crystallization Modulation and Holistic Passivation Enables Efficient Two‑Terminal Perovskite/CuIn(Ga)Se_(2)Tandem Solar Cells

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Nano-Micro Letters 2025年第1期17卷 205-215页

作者： Cong Geng Kuanxiang Zhang Changhua Wang Chung Hsien Wu Jiwen Jiang Fei Long Liyuan Han Qifeng Han Yi‑Bing Cheng Yong Peng State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070People’s Republic of China Triumph Photovoltaic Materials Co. Ltd.No.1001 Yannan AvenueHigh‑Tech Development DistrictBengbuAnhui 233000People’s Republic of China College of Materials Science and Engineering Guilin University of TechnologyGuilin 541004People’s Republic of China State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong UniversityShanghai 200240People’s Republic of China

Two-terminal(2-T)perovskite(PVK)/CuIn(Ga)Se_(2)(CIGS)tandem solar cells(TSCs)have been considered as an ideal tandem cell because of their best bandgap matching regarding to Shockley–Queisser(S–Q)***,the nature of the irregular rough morphology of commercial CIGS prevents people from improving tandem device *** this paper,D-homoserine lactone hydrochloride is proven to improve coverage of PVK materials on irregular rough CIGS surfaces and also passivate bulk defects by modulating the growth of PVK *** addition,the minority carriers near the PVK/C60 interface and the incompletely passivated trap states caused interface recombination.A surface reconstruction with 2-thiopheneethylammonium iodide and N,N-dimethylformamide assisted passivates the defect sites located at the surface and grain ***,LiF is used to create this field effect,repelling hole carriers away from the PVK and C60 interface and thus reducing *** a result,a 2-T PVK/CIGS tandem yielded a power conversion efficiency of 24.6%(0.16 cm^(2)),one of the highest results for 2-T PVK/CIGS TSCs to our *** validation underscores the potential of our methodology in achieving superior performance in PVK/CIGS tandem solar cells.

关键词： PVK/CIGS TSCs Irregular rough surfaces Modulating the growth PVK/C60 interface recombination

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Spall Strength and the Study of Damage Mechanism of Pure-Al in Different Wave Systems

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SSRN 2025年

作者： Zhang, Yang Sun, Yi Li, Peibo Zhang, Kaichang Zhao, GuiNan Luo, Guoqiang Shen, Qiang Hubei Longzhong Laboratory Hubei Xiangyang441000 China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan430070 China Qingdao University of Science and Technology China

To study the structural damage behavior of pure-Al under various shock wave profiles, this paper investigates the target using a light gas gun-driven density gradient material and a homogeneous material. It also conducts structural characterization and failure analysis of the postmortem target. The results indicate that spall strength increases with peak stress. At a strain rate of 103 s−1, the spall strength of the gradient material (approximately 0.502 GPa) is significantly higher than that of the homogeneous material (about 0.157 GPa). This difference is attributed to the temperature softening effect in the homogeneous material. The peak stress of the gradient material impacting pure Al is higher, leading to an increase in small-angle grain boundaries and a phenomenon of grain refinement. Here, the structural damage is primarily influenced by stress effects, resulting in higher spall strength. In contrast, the homogeneous material impacting pure Al exhibits a notable temperature rise, which significantly affects structural damage, making it more susceptible to the formation of pores and cracks, thus resulting in lower spall strength. Furthermore, there are differences in pore morphology under various wave regimes: the pores in the gradient material are elliptical, with the long axis perpendicular to the impact direction, while the pores in the homogeneous material are irregularly shaped. Additionally, the gradient material exhibits multiple spallation surfaces, whereas the homogeneous material shows only one spallation surface. By explaining the damage mechanisms of pure Al under different wave systems, this study aims to provide insights and guidance on the spallation behavior of aluminum matrix composites under complex conditions. © 2025, The Authors. All rights reserved.

关键词： Grain refinement

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A machine learning approach to predict coefficient of friction of laser cladding high-entropy alloy coatings

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Journal of materials Research and technology 2025年 36卷 8240-8253页

作者： Yawen Pan Bingquan Xu Junjun Wang Jian Peng Zhigang Xu Qiang Shen Chuanbin Wang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology 122 Luoshi Road Wuhan 430070 PR China Hubei Key Laboratory of Plasma Chemistry and Advanced Materials Engineering Research Center of Environmental Materials and Membrane Technology of Hubei Province Wuhan Institute of Technology Wuhan 430074 PR China Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory Chaozhou Guangdong 521000 PR China

Traditional method for evaluating the coefficient of friction (COF) of laser cladding high-entropy alloy (HEA) coatings, relying on extensive experiments, is costly and inefficient. To address these limitations, this study proposed an efficient machine learning (ML) approach. Random Forest, Gradient Boosting Decision Tree, and XGBoost models were developed as base models to predict the COF of HEA coatings. Feature engineering and a voting strategy were employed to enhance model accuracy and generalization ability, yielding substantial improvements in performance. The optimal model achieved a testing R 2 of 0.97. A satisfactory agreement was achieved between the predicted COFs and the experimental measurements as well as their trend. Additionally, the impact of each feature on the COF was clarified using SHAP (Shapley Additive Explanations). The results indicate that this ML approach is a promising tool for predicting the COF of HEA coatings and can serve as a valuable aid in the design and optimization of coatings.

关键词： High-entropy alloy coating Laser cladding Machine learning Tribology Wear Coefficient of friction

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Single-cell yolk-shell nanoencapsulation for long-term viability with size-dependent permeability and molecular recognition

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国家科学评论（英文版） 2021年第4期8卷 120-136页

作者： Li Wang Yu Li Xiao-Yu Yang Bo-Bo Zhang N(o)elle Ninane Henk J.Busscher Zhi-Yi Hu Cyrille Delneuville Nan Jiang Hao Xie Gustaaf Van Tendeloo Tawfique Hasan Bao-Lian Su State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China Laboratory of Inorganic Materials Chemistry (CMI) University of Namur Namur B-5000 Belgium State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China Laboratory of Inorganic Materials Chemistry (CMI) University of Namur Namur B-5000 Belgium Namur Research Institute for Life Sciences (Narilis) University of Namur Namur B-5000 Belgium Department of Biomedical Engineering University of Groningen and University Medical Centre Groningen Groningen 9713 AV The Netherlands State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China Nanostructure Research Centre (NRC) Wuhan University of Technology Wuhan 430070 China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 China School of Engineering and Applied Sciences Harvard University Cambridge MA 02138 USA Nanostructure Research Centre (NRC) Wuhan University of Technology Wuhan 430070 China Electron Microscopy for Materials Science (EMAT) University of Antwerp Antwerp B-2020 Belgium Cambridge Graphene Centre University of Cambridge Cambridge CB3 0FA UK

Like nanomaterials,bacteria have been unknowingly used for *** hold significant economic potential for fuel and medicinal compound *** full exploitation,however,is impeded by low biological activity and stability in industrial *** cellular encapsulation addresses these limitations,cell survival is usually compromised due to shell-to-cell contacts and low ***,we report ordered packing of silica nanocolloids with organized,uniform and tunable nanoporosities for single cyanobacterium nanoencapsulation using protamine as an electrostatic template.A space between the capsule shell and the cell is created by controlled internalization ofprotamine,resulting in a highly ordered porous shell-void-cell structure *** unique yolk-shell nanostructures provide long-term cell viability with superior photosynthetic activities and resistance in harsh *** addition,engineering the colloidal packing allows tunable shell-pore diameter for size-dependent permeability and introduction of new functionalities for specific molecular *** strategy could significantly enhance the activity and stability of cyanobacteria for various nanobiotechnological applications.

关键词： cell surface engineering protein internalization ordered colloidal packing high photosynthetic ability harsh condition resistance thiol-functionalization

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Enhanced Photovoltaic Performance and Stability of CsPbI3 Quantum Dots via Ligand Exchange and Compositional Defect Passivation

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ACS Applied Nano materials 2025年第23期8卷 12047-12056页

作者： Liu, Yueli Gao, Tonghuan Yang, Zifan Zhu, Huixin Chen, Keqiang Bao, Yunan Chen, Wen State Key Laboratory of Silicate Materials for Architectures School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China Faculty of Materials Science and Chemistry China University of Geosciences Wuhan 430074 China Wuhan Brilliant Tech Co. Ltd. Wuhan 430205 China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China

Inorganic CsPbI3 perovskite quantum dots (PQDs) possess excellent optical properties, holding broad application prospects in the field of photovoltaics. However, the issues of a complex surface chemical environment and high compositional defect density for CsPbI3 PQDs have severely influenced the performance of CsPbI3 PQD solar cells (PQDSCs). Herein, the sequential treatment strategy based on the ligand exchange of trimethyliodosilane (TMIS) and the compositional defect regulation of formamidinium iodide (FAI) is introduced. Short-chain ligands of TMIS are used to replace the original ligands of CsPbI3 PQDs and robustly anchor to the PQD surface, which guarantees the high stability and efficient charge carrier transport of CsPbI3 PQDs. Furthermore, FAI is introduced by the vacancies and dangling bonds as the driving force on the PQD surface to passivate the defects of Cs and I vacancies while reducing the exciton binding energy and band gap of the CsPbI3 PQDs. Consequently, the power conversion efficiency of PQDSCs is achieved to be 15.07%, which is greatly enhanced compared with that of the control device (12.09%), and only 26% of the initial efficiency is lost after aging under ambient conditions (20-30% RH) for 14 days.

关键词： compositional defect regulation CsPbI3 quantum dot solar cells ligand exchange power conversion efficiency stability

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High-entropy alloy nanocrystals boosting photocatalytic hydrogen evolution coupled with selective oxidation of cinnamyl alcohol

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Chinese Journal of Catalysis 2025年第1期68卷 326-335页

作者： Xianglin Xiang Bei Cheng Bicheng Zhu Chuanjia Jiang Guijie Liang Faculty of Materials Science and Engineering Kunming University of Science and TechnologyKunming 650093YunnanChina State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070HubeiChina Laboratory of Solar Fuel Faculty of Materials Science and ChemistryChina University of GeosciencesWuhan 430078HubeiChina College of Environmental Science and Engineering Nankai UniversityTianjin 300350China Hubei Key Laboratory of Low Dimensional Arts and Science Hubei University of Arts and ScienceXiangyang 441053HubeiChina

Photocatalysis provides a promising solution to the worldwide shortages of energy and industrially important raw materials by utilizing sunlight for coupled hydrogen(H_(2))production with controllable organic ***,we demonstrate that PtFeNiCoCu high-entropy alloy(HEA)nanocrystals can act as efficient cocatalysts for H_(2)evolution coupled with selective oxidation of cinnamyl alcohol to cinnamaldehyde by cubic cadmium sulfide(CdS)quantum dots(QDs)with uniform sizes of 4.0±0.5 *** nanocrystals were prepared via a simple solvothermal approach,and were successfully integrated with CdS QDs by an electrostatic self-assembly method to construct HEA/CdS *** optimized HEA/CdS sample presented an enhanced photocatalytic H_(2)production rate of 7.15 mmol g^(-1)h^(-1),which was 13 times that of pure CdS ***,a cinnamyl alcohol conversion of 96.2%with cinnamaldehyde selectivity of 99.5%was achieved after photoreaction for 3 *** integration of HEA with CdS QDs extended the optical absorption edge from 475 to 484 *** d-band center analysis,Pt atoms in the HEA are the active sites for H_(2)evolution,exhibiting higher catalytic activity than pure ***,the band structure of the CdS QDs enables the oxidative transformation of cinnamyl alcohol to cinnamaldehyde with high ***,femtosecond transient absorption spectroscopy shows that HEA can significantly promote the separation of photogenerated carriers in CdS,which is vital for achieving enhanced photocatalytic *** work inspires atomic-level design of photocatalytic materials for coordinated production of green energy carriers and value-added products.

关键词： Artificial photosynthesis d-Band center Photocatalytic hydrogen evolution Quantum dots Value-added organic synthesis

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Stress corrosion behavior and mechanism of Ti6321 alloy with different microstructures in simulated deep-sea environment

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SSRN 2024年

作者： Zhang, Huixia Zhang, Fan Hao, Fuyao Sui, Yongqiang Li, Wenju Li, Xiangbo Hou, Jian Guo, Weimin State Key Laboratory for Marine Corrosion and Protection Qingdao Luoyang Ship Material Research Institute Qingdao China State Key Laboratory of Advanced Technology For Materials Synthesis and Processing Wuhan University of Technology Wuhan430070 China

The stress corrosion cracking (SCC) behaviors of Ti-6Al-3Nb-2Zr-1Mo (Ti6321, in wt.%) alloy samples with equiaxed microstructure (EM), bimodal microstructure (BM) and Widmanstätten microstructure (WM) in simulated 3000m deep sea environment were investigated using electrochemical tests, electron backscattered diffraction (EBSD), and so on. The results revealed that WM exhibits the best SCC resistance, which is attributed to its best self-healing ability, and is beneficial for the re-passivation of fresh metal at the crack tip. Besides, there is no obvious micro-texture region in WM, and α phase colonies hinder the dislocation movement, resulting in the lowest crack growth rate. © 2024, The Authors. All rights reserved.

关键词： Titanium alloys

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Au23（CR）14 nanocluster restores fibril Aβ's unfolded state with abolished cytotoxicity and dissolves endogenous Aβplaques

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National Science Review 2020年第4期7卷 763-774页

作者： Wenkang Zhang Guanbin Gao Zhongjie Ma Zhuoying Luo Meng He Taolei Sun State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology School of Chemistry Chemical Engineering and Life Science Wuhan University of Technology

The misfolding of amyloid-β（Aβ） peptides from the natural unfolded state to β-sheet structure is a critical step, leading to abnormal fibrillation and formation of endogenous Aβ plaques in Alzheimer's disease（AD）. Previous studies have reported inhibition of Aβ fibrillation or disassembly of exogenous Aβ fibrils in vitro. However, soluble Aβ oligomers have been reported with increased cytotoxicity; this might partly explain why current clinical trials targeting disassembly of Aβ fibrils by anti-Aβ antibodies have failed so *** we show that Au23（CR）14(a new Au nanocluster modified by Cys-Arg（CR） dipeptide) is able to completely dissolve exogenous mature Aβ fibrils into monomers and restore the natural unfolded state of Aβ peptides from misfolded β-sheets. Furthermore, the cytotoxicity of Aβ40fibrils when dissolved by Au23（CR）14is fully abolished. More importantly, Au23（CR）14is able to completely dissolve endogenous Aβ plaques in brain slices from transgenic AD model mice. In addition, Au23（CR）14has good biocompatibility and infiltration ability across the blood–brain barrier. Taken together, this work presents a promising therapeutics candidate for AD treatment, and manifests the potential of nanotechnological approaches in the development of nanomedicines.

关键词： gold nanoclusters Alzheimer’s disease restores fibril Aβ’s unfolded state abolished cytotoxicity dissolves endogenous Aβ plaques

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Nitrogen‐doped tin oxide electron transport layer for stable perovskite solar cells with efficiency over 23%

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Interdisciplinary materials 2022年第2期1卷 309-315页

作者： Yanping Mo Chao Wang Xuntian Zheng Peng Zhou Jing Li Xinxin Yu Kaizhong Yang Xinyu Deng Hyesung Park Fuzhi Huang Yi‐Bing Cheng State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhanP.R.China Solar Hydrogen Production Lab Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong LaboratoryFoshanP.R.China International School of Materials Science and Engineering Wuhan University of TechnologyWuhanP.R.China Department of Materials Science and Engineering Graduate School of Semiconductor Materials and Devices EngineeringPerovtronics Research CenterLow Dimensional Carbon Materials CenterUlsan National Institute of Science and TechnologyUlsanRepublic of Korea

Tin oxide has made a major breakthrough in high-efficiency perovskite solar cells(PSCs)as an efficient electron transport layer by the low-temperature chemical bath deposition ***,tin oxide often contains pernicious defects,resulting in unsatisfactory ***,we develop high-quality tin oxide films via a nitrogen-doping strategy for high-efficiency and stable planar *** aligned energy level at the interface of doped SnO_(2)/perovskite,more excellent charge extraction and reduced nonradiative recombination contribute to the enhanced efficiency and ***,the power conversion efficiency of the devices based on N‐SnO_(2) film increases to 23.41% from 20.55% of the devices based on the pristine SnO_(2).The N-SnO_(2) devices show an outstanding stability retaining 97.8% of the initial efficiency after steady-state output at a maximum power point for 600s under standard AM1.5G continuous illumination without encapsulation,while less than 50% efficiency remains for the devices based on pristine SnO_(2).This simple scalable strategy has shown great promise toward highly efficient and stable PSCs.

关键词： electron transport layer N doping perovskite solar cell SnO_(2)

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