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Parameters Estimation of Modified Triple Diode Model of PSCs Considering Charge Accumulations and Electric Field Effects Using Puma Optimizer 认领 引用
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作者 Amlak Abaza Ragab A.El-Sehiemy +1 位作者 Mona Gafar Ahmed Bayoumi 《Computer Modeling in Engineering & Sciences》 SCIE EI 2025年第4期723-745,共23页
Promoting the high penetration of renewable energies like photovoltaic(PV)systems has become an urgent issue for expanding modern power grids and has accomplished several challenges compared to existing distribution g... Promoting the high penetration of renewable energies like photovoltaic(PV)systems has become an urgent issue for expanding modern power grids and has accomplished several challenges compared to existing distribution grids.This study measures the effectiveness of the Puma optimizer(PO)algorithm in parameter estimation of PSC(perovskite solar cells)dynamic models with hysteresis consideration considering the electric field effects on operation.The models used in this study will incorporate hysteresis effects to capture the time-dependent behavior of PSCs accurately.The PO optimizes the proposed modified triple diode model(TDM)with a variable voltage capacitor and resistances(VVCARs)considering the hysteresis behavior.The suggested PO algorithm contrasts with other wellknown optimizers from the literature to demonstrate its superiority.The results emphasize that the PO realizes a lower RMSE(Root mean square errors),which proves its capability and efficacy in parameter extraction for the models.The statistical results emphasize the efficiency and supremacy of the proposed PO compared to the other well-known competing optimizers.The convergence rates show good,fast,and stable convergence rates with lower RMSE via PO compared to the other five competitive optimizers.Moreover,the lowermean realized via the PO optimizer is illustrated by the box plot for all optimizers. 展开更多
关键词 Dynamic model of PSCs puma optimizer parameter estimation triple diode model
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Variations in mesenchymal-epithelial transition-related transcription factors during reprogramming of somatic cells from different germ layers into iPSCs 认领 引用
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作者 Xiaoyin Lu Yukai Wang +3 位作者 Long Yan Libin Wang Wei Li Hongmei Wang 《Journal of Genetics and Genomics》 SCIE CAS CSCD 2016年第10期609-612,共4页
Introducing a combination of transcription factors such as Oct4,Sox2,Klf4 and c-Myc（OSKM）enables reprogramming which converts somatic cells into induced pluripotent stem cells（i PSCs）（Takahashi and Yamanaka,2006... Introducing a combination of transcription factors such as Oct4,Sox2,Klf4 and c-Myc（OSKM）enables reprogramming which converts somatic cells into induced pluripotent stem cells（i PSCs）（Takahashi and Yamanaka,2006）.i PSCs play an important role in clinical and regenerative medicine because they can be utilized to model a specific disease or differentiate into functional cells for transplantation.Enhancing the efficiency of induction and improving the qualities of iPSCs are constant themes in this field. 展开更多
关键词 PSCs Variations in mesenchymal-epithelial transition-related transcription factors during reprogramming of somatic cells from different germ layers into iPSCs
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基于PSCS模型的大型国企在线课件资源生态圈建设 认领 引用
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作者 赵姗姗 《石油化工管理干部学院学报》 2020年第1期31-34,共4页
随着"互联网+"、大数据、云计算等信息技术的飞速发展,企业培训发生了快速变革,逐渐从传统学习向线上学习迁移,在线课件资源建设在培训中起到了越来越重要的作用。本文介绍了大型国企在线课件资源建设面临的问题,提出了在企... 随着"互联网+"、大数据、云计算等信息技术的飞速发展,企业培训发生了快速变革,逐渐从传统学习向线上学习迁移,在线课件资源建设在培训中起到了越来越重要的作用。本文介绍了大型国企在线课件资源建设面临的问题,提出了在企业内部建设在线课件资源生态圈的方法。 展开更多
关键词 在线课件资源 大型国企 生态圈 PSCS模型
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Mitigating phosphonic acid-perovskite interfacial degradation via molecular engineering for ultra-stable solar cells 认领 引用
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作者 Xu Li Yuxiao Guo +2 位作者 Xin Luo Haoyuan Yan Bo Xu 《Journal of Semiconductors》 EI CAS CSCD 2026年第4期13-17,共5页
Metal halide perovskite solar cells(PSCs)are revolutionizing next-generation photovoltaics by combining high efficiency with low-cost solution processing and flexible compatibility.Certified efficiencies now surpass 2... Metal halide perovskite solar cells(PSCs)are revolutionizing next-generation photovoltaics by combining high efficiency with low-cost solution processing and flexible compatibility.Certified efficiencies now surpass 27%,nearing the theoretical limit for single-junction cells and highlighting their strong potential for commercialization[1].In contrast to traditional silicon cells,which require high-temperature processing and rigid substrates,PSCs can be fabricated near room temperature using earth-abundant materials,significantly lowering energy consumption and production costs.However,their commercialization is hindered by a fundamental challenge:insufficient long-term operational stability. 展开更多
关键词 interfacial degradation silicon cellswhich ultra stable solar cells phosphonic acid metal halide perovskite solar cells pscs metal halide perovskite solar cells PSCs molecular engineering
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Improved solvent systems for the commercialization of perovskite photovoltaic modules 认领 引用
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作者 Zhaoyang Chu Xiaotian Hu Yiwang Chen 《Journal of Semiconductors》 EI CAS CSCD 2026年第5期19-22,共4页
Perovskite solar cells(PSCs)are widely recognized as a transformative technology for next-generation photovoltaics,given their exceptional promise for achieving high power conversion efficiencies(PCE),utilizing low-co... Perovskite solar cells(PSCs)are widely recognized as a transformative technology for next-generation photovoltaics,given their exceptional promise for achieving high power conversion efficiencies(PCE),utilizing low-cost raw materials,and enabling versatile fabrication routes[1,2]. 展开更多
关键词 perovskite photovoltaic modules perovskite solar cells perovskite solar cells pscs power conversion efficiencies fabrication routes raw materials solvent systems
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C60-based ionic salt electron shuttle enables chemical bonding with perovskite surface for inverted photovoltaic 认领 引用
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作者 Zhenglong Hu Liang Chu 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第6期9-11,共3页
Perovskite solar cells(PSCs)have emerged as a highly promising photovoltaic technology,due to their impressive power conversion efficiency(PCE),cost-effective fabrication processes,and largescale scalability.In PSCs,t... Perovskite solar cells(PSCs)have emerged as a highly promising photovoltaic technology,due to their impressive power conversion efficiency(PCE),cost-effective fabrication processes,and largescale scalability.In PSCs,the electron transport layer(ETL)plays a crucial role.C60 is widely used in inverted PSCs due to its excellent electron-acceptingability and environmental stability[1].However,the use of C60in PSCs faces several significant challenges[2].For instance,its low solubility and poor interface toughness lead to suboptimal interfacial electronic and mechanical properties. 展开更多
关键词 perovskite solar cells pscs electron shuttle electron transport layer etl plays photovoltaic technologydue c power conversion efficiency ionic salt perovskite surface
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Decoupling Stress Relief from Electrical Compromise via Carboxylated PMMA Nanospheres for Flexible Perovskite Solar Cells 认领 引用
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作者 Xiang-Jin Du Yu-Qi Cui +12 位作者 Shi-Yu Jiang Cheng-Yu Tan Chun-Jie Huang Xin-Ru Qin Rui Zhang Hong-Kun Wei Ying-Xin Ma Yi-Ming Li Hui-Jue Wu Jiang-Jian Shi Yan-Hong Luo Dong-Mei Li Qing-Bo Meng 《Chinese Physics Letters》 SCIE EI CAS CSCD 2026年第7期150-155,I0131-I0143,共6页
Flexible perovskite solar cells(f-PSCs)hold great promise for next-generation wearable electronics,portable power sources and even space power systems.However,these applications are fundamentally limited by optoelectr... Flexible perovskite solar cells(f-PSCs)hold great promise for next-generation wearable electronics,portable power sources and even space power systems.However,these applications are fundamentally limited by optoelectronic degradation under mechanical strain.Although incorporating continuous polymeric networks enhances mechanical robustness,these insulating dielectric materials inevitably introduce carrier-transport barriers,leading to severe charge accumulation and a compromised fill factor(FF).Herein,we introduce 50-nm carboxyl-functionalized polymethyl methacrylate nanospheres(CPNs)to fundamentally decouple mechanical stress dissipation from interfacial carrier transport kinetics in inverted f-PSCs.Unlike continuous dielectric buffer layers,the CPNs self-assemble into a discontinuous nano-island network at the buried interface,maintaining unobstructed conductive pathways for efficient cross-interfacial charge transfer.Mechanically,the elastic nano-islands modulate the local strain field to efficiently dissipate mechanical and thermal stresses.Furthermore,the localized electrostatic field induced by the negatively charged carboxyl groups spatially repels electrons and accelerates hole extraction,profoundly suppressing non-radiative interfacial recombination.Consequently,the optimized f-PSCs achieve a power conversion efficiency exceeding 26%with a remarkably high FF of 0.845.The devices demonstrate outstanding structural and operational stability,exhibiting negligible degradation after 5,000 bending cycles at a 6-mm radius and retaining 96.3%of their initial efficiency after 200 thermal cycles(−60 to+80℃).This work provides a robust micromechanical and optoelectronic strategy for highly reliable flexible photovoltaics. 展开更多
关键词 power sources flexible perovskite solar cells f pscs hold carboxylated PMMA nanospheres electrical compromise insulating dielectric materials mechanical stress optoelectronic degradation polymeric networks
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Fluorene chemistry as a design platform for polymeric HTLs:Substituent control and core linkages in perovskite photovoltaics 认领 引用
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作者 Yujin Li Paramaguru Ganesan +2 位作者 Abd Rashid bin Mohd Yusoff Simonetta Orlandi Peng Gao 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2026年第3期107-144,共38页
Polymeric hole transport layers(HTLs)are emerging as one of the most promising classes of hole transporting materials for inverted(p-i-n)perovskite solar cells,offering tunable molecular design,reliable film formation... Polymeric hole transport layers(HTLs)are emerging as one of the most promising classes of hole transporting materials for inverted(p-i-n)perovskite solar cells,offering tunable molecular design,reliable film formation,and potential for scalable processing.Within this class,fluorene-based polymers stand out due to their rigidπ-conjugated backbone,which imparts thermal stability and optical transparency,and the unique C9 substitution site,which enables precise control over solubility,morphology,interfacial chemistry,and energy alignment.By linking the fluorene core with alkyl,functionalized alkyl,vinylene,biphenyl/spiro,or in situ crosslinkable motifs,researchers have created a diverse family of HTLs that balance mobility,stability,and manufacturability.Recent studies show that well-engineered fluorene polymers can deliver power conversion efficiencies(PCEs)above 20%and retain over 90%of their initial performance after 1000 h of operational stress.Despite advances,challenges remain,as fabrication and stability inconsistencies hinder comparison,and few fluorene-based sys-tems combine efficiency,stability,and scalability.Bridging this gap will require systematic mapping of C9 substitution patterns to device metrics,hybrid designs that merge complementary traits,and ISOS-compliant benchmarking.This review provides a unifying framework to guide the development of next-generation fluo-rene-based polymeric HTLs for durable,commercially viable perovskite photovoltaics. 展开更多
关键词 Fluorene polymers Polymeric HTLs Inverted PSCs C9 substitution In situ polymerisation Anchoring groups
Defect‑Anchored Dipole Molecules Induce Surface Polarization Facilitating High‑Performance Inverted Perovskite Solar Cells 认领 引用
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作者 Weichun Pan Jihuai Wu +8 位作者 Jiexi Pan Shanyue Wei Lina Tan Wenjing Li Deng Wang Xuping Liu Yiming Xie Jianming Lin Zhang Lan 《Nano-Micro Letters》 SCIE EI CAS CSCD 2026年第8期797-815,共19页
The improvement in efficiency and stability of inverted perovskite solar cells(PSCs)is primarily constrained by the charge-carrier and energy losses at the interface of perovskite active layer/charge-carrier transport... The improvement in efficiency and stability of inverted perovskite solar cells(PSCs)is primarily constrained by the charge-carrier and energy losses at the interface of perovskite active layer/charge-carrier transport layers.Herein,a kind of dipolar molecule,4-aminocyclohexanone hydrochloride(ACHCl),is introduced to the surface of perovskite films in PSCs with p-i-n structure.This surface modification ingeniously utilizes the surface defects of perovskite films to anchor the dipolar molecule,thus inducing surface polarization,which not only effectively reduces interfacial defects but also optimizes the energy-level alignment between the interfaces.Specifically,the carbonyl group and chloride ion on ACHCl anchors on the uncoordinated lead ion defects and fills in the halide vacancies on perovskite surface,respectively,which effectively alleviates the trap-state density,thereby reducing the carrier losses caused by defect-assisted recombination at the interface of perovskite layer/hole transport layer.Meanwhile,the anchoring effect of ACHCl facilitates the formation of a relatively ordered cation-dipole layer and induces surface polarization,resulting in more favorable energylevel alignment and enhanced charge-carrier extraction,ultimately reducing interfacial energy losses.Consequently,the effective reduction in interfacial losses facilitates the ACHCl-modified devices to achieve a power conversion efficiency of 26.12%and improved stability. 展开更多
关键词 Perovskite solar cells(PSCs) 4-aminocyclohexanone hydrochloride(ACHCl) Dipole effect Surface polarization Interfacial losses
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Marine heatwaves drive phytoplankton community shifts and chlorophyll a decline in the Bay of Bengal 认领 引用
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作者 Zhihao Yang Pei Jiang +7 位作者 Yang Liu Lin Deng Zhimin Bai Tuwang Li Yuchen Liang Zhongbing Chang Heng Liu Jun Zhao 《Acta Oceanologica Sinica》 SCIE CAS CSCD 2026年第3期149-161,共13页
Marine heatwaves(MHWs)are intensifying globally,yet their ecological consequences in monsoon-driven tropical basins remain underexplored.Here,we assessed the spatiotemporal characteristics of MHWs in the Bay of Bengal... Marine heatwaves(MHWs)are intensifying globally,yet their ecological consequences in monsoon-driven tropical basins remain underexplored.Here,we assessed the spatiotemporal characteristics of MHWs in the Bay of Bengal(Bo B)and their impacts on surface chlorophyll a(Chl a)and phytoplankton size classes(PSCs)during the summer and winter monsoon seasons.Using long-term satellite-derived sea surface temperature,ocean color,and physical reanalysis data from 1982 to 2022,we identified a significant increase in MHW frequency(16 d per decade),intensity(0.07℃per decade),and duration(1.9 d per decade),with the highest cumulative intensity concentrated in the northeastern Bo B.MHWs were associated with widespread negative Chl a anomalies across the basin,driven by suppressed vertical nutrient supply resulting from weakened winds,shoaled mixed layers,and reduced mesoscale eddy activity.Notably,positive Chl a anomalies occurred in some nearshore regions during summer,coinciding with sustained riverine nutrient input.Phytoplankton communities exhibited a consistent shift toward smaller size classes,particularly pico-and nanophytoplankton,reflecting adaptive responses to nutrient limitation and stratification.Seasonal contrasts were evident,with winter MHWs producing stronger and more persistent biological impacts than those in summer.These findings highlight the role of compound physical processes in driving ecosystem responses to extreme ocean warming.As MHWs continue to intensify under climate change,their influence on phytoplankton biomass and size structure may alter trophic dynamics and carbon cycling in one of the world's most stratified and sensitive tropical marine systems. 展开更多
关键词 marine heatwaves Bay of Bengal phytoplankton size classes(PSCs) chlorophyll a anomaly
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Suppressing ion migration and electrode corrosion in perovskite solar cells through Nb2O5interface engineering 认领 引用
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作者 Shangchen Zhang Can Li +4 位作者 Xiangyu Liao Liming Du Jishan Shi Xian-Zong Wang Zhen Li 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第5期381-389,I0009,共9页
Ion migration and electrode corrosion limit the operational stability of perovskite solar cells(PSCs),hindering their commercialization.Herein,we demonstrate that Nb2O5films effectively address these challenges ... Ion migration and electrode corrosion limit the operational stability of perovskite solar cells(PSCs),hindering their commercialization.Herein,we demonstrate that Nb2O5films effectively address these challenges when incorporated as buffer layers between the electron transport layer(ETL)and the metal electrode.Electrochemical analysis combined with density functional theory(DFT)calculations reveals that Nb2O5exhibits exceptional corrosion resistance against iodide-induced degradation,effectively blocking bidirectional diffusion of iodide ions and metal atoms.Furthermore,the Nb2O5buffer layer optimizes energy band alignment and interfacial contact,strengthens the built-in electric field,and suppresses non-radiative recombination,enabling efficient electron extraction.As a result of these synergistic effects,the Nb2O5modified PSCs achieve a champion power conversion efficiency(PCE)of 25.85%,with an open-circuit voltage of 1.194 V and a fill factor of 85.35%,significantly outperforming the control device with a PCE of 23.97%.The Nb2O5modified devices demonstrate excellent operational stability.The device retains 94%of its initial PCE after 500 h of maximum power point(MPP)tracking under ambient conditions with 60-65%relative humidity.This cost-effective approach establishes oxide buffer layers as a practical strategy to advance the commercial viability of PSCs,and provides fundamental insights into interface corrosion mechanisms and engineering principles of ETL/electrode interfaces for long-term device stability. 展开更多
关键词 PSCs Long-term operational stability Electrochemical analysis Nb2O5buffer layer
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Generalized semi-analytical modeling of three-dimensional contact responses in piezoelectric semiconductors with conductive indenters 认领 引用
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作者 Ling WANG Huoming SHEN Yuxing WANG 《Applied Mathematics and Mechanics(English Edition)》 SCIE EI CSCD 2026年第3期555-572,共18页
Piezoelectric semiconductor(PSC)materials exhibit strong electromechanical coupling affected by free carriers,which makes their contact behavior essential for sensors,actuators,and electronic devices.Analytical models... Piezoelectric semiconductor(PSC)materials exhibit strong electromechanical coupling affected by free carriers,which makes their contact behavior essential for sensors,actuators,and electronic devices.Analytical models for three-dimensional(3D)PSC contact problems are still scarce,especially for conductive indenters.This work develops a semi-analytical framework to study the 3D frictionless contact between a conductive indenter and a PSC half-space.Fundamental solutions under a unit force and a unit electric charge are derived,and the corresponding frequency response functions are combined with a discrete convolution-fast Fourier transform(DC-FFT)algorithm to achieve an efficient semi-analytical contact model.The numerical results demonstrate that an increase in the surface charge density reduces the indentation pressure and modifies the electric potential distribution.A higher steady carrier concentration enhances the screening effect,suppresses the electromechanical coupling,and shifts the system response toward purely elastic behaviors.The sensitivity analysis shows that the indentation depth is dominated by the elastic constants,while the electric potential is mainly affected by the piezoelectric coefficient.Although the analysis is carried out with spherical indenters,the model is not limited to a specific indenter shape.It provides an effective tool for investigating complex 3D PSC contact problems and offers useful insights into the design of PSC materials-based devices. 展开更多
关键词 contact mechanics semi-analytical method piezoelectric semiconductor(PSC) conductive indenter electromechanical response
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贵金属可给太阳能电池当“防晒霜” 认领 引用
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《科技导报》 CAS CSCD 北大核心 2026年第5期8-9,共2页
在全球能源结构向碳中和转型的宏大背景下,光伏技术作为最经济、最清洁的可再生能源形式,正经历从晶硅时代向薄膜叠层时代的战略跨越。金属卤化物钙钛矿太阳能电池(PSCs)凭借其卓越的光电特性、低成本溶液加工优势以及快速攀升的能量转... 在全球能源结构向碳中和转型的宏大背景下,光伏技术作为最经济、最清洁的可再生能源形式,正经历从晶硅时代向薄膜叠层时代的战略跨越。金属卤化物钙钛矿太阳能电池(PSCs)凭借其卓越的光电特性、低成本溶液加工优势以及快速攀升的能量转换效率,已成为下一代光伏技术的绝对核心。 展开更多
关键词 钙钛矿太阳能电池 贵金属 PSCs 金属卤化物钙钛矿
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基于改进ConvNeXt的水轮机组接力器内壁划痕检测方法 认领 引用
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作者 何强锋 邱威 +4 位作者 蔡鑫鑫 徐凯圆 何佳 程书豪 孙刚 《水电能源科学》 北大核心 2026年第2期201-205,共5页
针对水轮机接力器内壁划痕检测需求,提出了基于改进ConvNeXt的划痕检测方法。通过架构优化实现三阶段改进,即提出跨阶段特征融合策略,实现多尺度划痕特征的高效融合;引入PSC模块,以增强与划痕相关的特征响应,抑制无关背景干扰;设计FL+PA... 针对水轮机接力器内壁划痕检测需求,提出了基于改进ConvNeXt的划痕检测方法。通过架构优化实现三阶段改进,即提出跨阶段特征融合策略,实现多尺度划痕特征的高效融合;引入PSC模块,以增强与划痕相关的特征响应,抑制无关背景干扰;设计FL+PAM混合损失函数,缓解类别不平衡与困难样本学习不足的瓶颈。试验表明,改进模型在测试集上精确率达95.8%、召回率达93.5%、F1-Score达94.6%、FPS为52,FL+PAM较CE Loss和FL Loss的F1-Score分别提升15.0%、3.8%,且收敛速度最快。不同损失函数对比与消融试验进一步验证了模块化之间的协同增效作用,为水轮机接力器内壁划痕检测提供了高精度的解决方案。 展开更多
关键词 水轮机 ConvNeXt PSC 跨阶段特征融合
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基于PLC的轨道交通站台门控制系统设计 认领 引用
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作者 邓勇 龚清林 朱文艳 《机电信息》 2026年第8期55-59,共5页
针对地铁站台门系统集成度高,不便于理解控制功能和原理,难以开展电气接线与调试技能训练等问题,基于真实生产场景的地铁站台门架构,校企联合开发了基于PLC控制的站台门实训系统。完成了相关电气控制图的设计与改造,编制了系统控制要求... 针对地铁站台门系统集成度高,不便于理解控制功能和原理,难以开展电气接线与调试技能训练等问题,基于真实生产场景的地铁站台门架构,校企联合开发了基于PLC控制的站台门实训系统。完成了相关电气控制图的设计与改造,编制了系统控制要求,解决了PLC控制与中央控制盘(PSC)的连接困难,经过仿真与调试,该系统功能符合设计要求,运行平稳正常,应用成效显著。 展开更多
关键词 站台门 PLC控制 中央控制盘 PSC 仿真调试
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Over 10% efficiencies achieved for the PSCs with thick active layer based on D-A copolymer donors and various fullerene acceptors 认领 引用
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作者 Yongfang Li 《Science China Chemistry》 SCIE EI CAS CSCD 2015年第2期188-188,共1页
In comparison with inorganic solar cells, polymer solar cells （PSCs） possess the advantages of light weight and po- tential low-cost production technology such as roll-to-roll printing production. And the power conv... In comparison with inorganic solar cells, polymer solar cells （PSCs） possess the advantages of light weight and po- tential low-cost production technology such as roll-to-roll printing production. And the power conversion efficiency （PCE） of the PSCs reached ca. 10% recently. However, the high PCE is limited to the PSCs with the low bandgap pol- ymer PBDTTTs as donor and PCTOBM as acceptor, and the optimized active layer thickness of the high efficiency PSCs is usually less than 100 nm. The dominant acceptor of PCTOBM places serious limitation on the development of the polymer donor materials to match with PC70BM, and the thin active layer makes large area fabrication of the PSCs very difficult. 展开更多
关键词 活性层 受体 富勒烯 共聚物 太阳能电池 PSCs DA 基础
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Device design and simulation of ETL-free all inorganic perovskite solar cells 认领 引用
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作者 Kaixuan Shi Yike Zhou +3 位作者 Xiaohui Liu Jing Zhang Yuejin Zhu Like Huang 《Optoelectronics Letters》 EI 2026年第1期16-22,共7页
Cesium lead iodide(CsPbI3)is widely employed as the absorber material for perovskite solar cells(PSC)with its excellent photothermal stability.Here,an electron transport layer(ETL)-free CsPbI3 PSC was modeled using th... Cesium lead iodide(CsPbI3)is widely employed as the absorber material for perovskite solar cells(PSC)with its excellent photothermal stability.Here,an electron transport layer(ETL)-free CsPbI3 PSC was modeled using the solar cell capacitance simulator(SCAPS)program.The simulation involves a series of parameters optimization,including the thickness,doping concentration,defect density and permittivity of the fluorine-doped tin oxide(FTO)electrode,the hole transport layer(HTL),and the perovskite(PVK)layer.Additionally,the defect density at the FTO/PVK interface and the PVK/HTL interface were considered.The study revealed that the power conversion efficiency(PCE)of the device is significantly affected by variations in the parameters of the PVK layer,especially the thickness and defect density.Moreover,the defect density at the contact interfaces also notably influences the device efficiency.After systematic computational optimization,the best device exhibited an open-circuit voltage(VOC)of 1.16 V,a short-circuit current(JSC)of 21.52 mA/cm2,a fill factor(FF)of 87.83%,and a PCE of 21.9%,which is close to the full-structured device reported in experiment,demonstrating the potential of all inorganic PSCs with simplified structures. 展开更多
关键词 Perovskite Solar Cells perovskite solar cells psc absorber material hole transport layer htl All inorganic parameters optimizationincluding cesium lead iodide cspbi ETL free
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哌嗪衍生物界面修饰提升钙钛矿太阳能电池的性能 认领 引用
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作者 杨雨帆 杨继雄 +1 位作者 蒋君 袁宁一 《半导体技术》 CAS 北大核心 2026年第7期656-663,共8页
针对钙钛矿太阳能电池(PSC)的界面缺陷问题,界面修饰是优化器件性能的关键手段。为提升PSC的光伏性能与长期稳定性,选取1-苯基哌嗪盐酸盐(1-Ben)作为钝化材料,通过旋涂工艺将其引入钙钛矿层顶部以构建界面修饰层,并研究其对n-i-p结构PS... 针对钙钛矿太阳能电池(PSC)的界面缺陷问题,界面修饰是优化器件性能的关键手段。为提升PSC的光伏性能与长期稳定性,选取1-苯基哌嗪盐酸盐(1-Ben)作为钝化材料,通过旋涂工艺将其引入钙钛矿层顶部以构建界面修饰层,并研究其对n-i-p结构PSC性能的影响。结合原子力显微镜、荧光光谱及紫外光电子能谱等表征手段,对界面修饰的作用机制进行了分析。借助1-Ben的界面修饰作用,钙钛矿薄膜的表面缺陷得以修复,薄膜微观形貌显著改善,阻断了载流子在界面的非辐射复合;修饰优化后的能级排布进一步加快了空穴的提取与传输。引入1-Ben修饰后,PSC的光电转换效率(PCE)由22.81%提升至23.32%。环境稳定性测试结果证实,经1-Ben修饰后的器件具备更优异的效率保持能力。 展开更多
关键词 界面修饰 空穴传输 钙钛矿太阳能电池(PSC) 高效率 稳定性
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高性能钽酸锂薄膜与碳化硅衬底的声表面波谐振器 认领 引用
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作者 吴宗霖 李世佳 +1 位作者 钱航宇 杨国敏 《上海航天（中英文）》 CSCD 2026年第4期92-98,共7页
为提高声表面波谐振器的品质因数,提出一种基于碳化硅衬底的水平剪切模式的声表面波谐振器。通过分析水平剪切模式声波在LiTaO3/SiO2/SiC多层衬底中的传播特性来确定器件几何参数。应用微纳加工工艺制备LiTaO3/SiO2/SiC和Li... 为提高声表面波谐振器的品质因数,提出一种基于碳化硅衬底的水平剪切模式的声表面波谐振器。通过分析水平剪切模式声波在LiTaO3/SiO2/SiC多层衬底中的传播特性来确定器件几何参数。应用微纳加工工艺制备LiTaO3/SiO2/SiC和LiTaO3/SiO2/Si器件进行对比实验。结果表明:相比LiTaO3/SiO2/Si器件,LiTaO3/SiO2/SiC器件的品质因数提高了1倍,且符合理论的声波传播特性。与传统器件相比,该器件能更好地应用于滤波器、振荡器和传感器中。 展开更多
关键词 声学谐振器 声表面波(SAW)器件 碳化硅 品质因数 寄生电导(PSC)效应
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西非加纳TAKORADI港口简介 认领 引用
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作者 王崇亮 陈楚斌 何志水 《珠江水运》 2026年第14期62-68,共7页
塔科拉迪(TAKORADI)港作为西非加纳共和国的第二大港口、重要商业港,地处几内亚湾北侧核心区域,是加纳西部工业基地的重要配套枢纽,主要承担锰矿、铝矾土等矿产资源的出口任务,在加纳国民经济及西非区域航运网络中占据举足轻重的地位。... 塔科拉迪(TAKORADI)港作为西非加纳共和国的第二大港口、重要商业港,地处几内亚湾北侧核心区域,是加纳西部工业基地的重要配套枢纽,主要承担锰矿、铝矾土等矿产资源的出口任务,在加纳国民经济及西非区域航运网络中占据举足轻重的地位。由于该港口地理位置特殊、水文气象条件复杂,且进出港手续、泊位运营、锚地作业及安全管理等方面存在鲜明地域特色,部分港口规定及操作规范不为国际航运从业者广泛熟知,易给船舶航行、靠泊及作业带来安全隐患。本文全面解析港口运营特点与操作要点,为过往船舶船员、航运企业及相关研究人员提供详实、实用的参考,助力提升船舶在该港口的作业效率与安全水平,推动中非航运合作有序发展。 展开更多
关键词 塔科拉迪港 港口运营 航行安全 PSC检查 港口安保
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