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Recent Progress in All-Solution-Processed Organic Solar Cells

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Chinese Journal of Chemistry 2024年第2期42卷 190-198页

作者： yixuan xu Qian Wang Wentao Zou xu Zhang Yanna Sun Yuanyuan Kan Ping Cai Ke Gao School of Materials Science and Engineering&Guangxi Key Laboratory of Information Materials Guilin University of Electronic TechnologyGuilinGuangxi 541004China Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion Science Center for Material Creation and Energy ConversionInstitute of Frontier and Interdisciplinary ScienceShandong UniversityQingdaoShandong 266237China

All-solution-processed organic solar cells(OSCs)(from the bottom electrode to the top electrode)are highly attractive thanks to their low cost,lightweight and high-throughput ***,achieving highly efficient all-solution-processed OSCs remains a significant *** of the key issues is the lack of high-quality solution-processed electrode systems that can replace indium tin oxide(ITO)and vacuum-deposited metal *** this paper,we comprehensively review recent advances in all-solution-processed osCs,and classified the devices as the top electrode materials,including silver nanowires(AgNWs),conducting polymers and composite conducting *** correlation between electrode materials,properties of electrodes,and device performance in all-solution-processed OSCs is *** addition,the critical roles of the active layer and interface layer are also ***,the prospects and challenges of all-solution-processed OSCs are presented.

关键词： Organic solar cells All-solution-processed organic solar cells Solution-processed electrodes High performance Silver nanowires Conductive polymers Composite conducting materials

Light-field modulation and optimization near metal nanostructures utilizing spatial light modulators

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Chinese Physics B 2024年第10期33卷 1-14页

作者： Zini Cao Hai Lin Yuqing Cheng yixuan xu Qihuang Gong Guowei Lü State Key Laboratory for Mesoscopic Physics Collaborative Innovation Center of Quantum MatterFrontiers Science Center for Nano-OptoelectronicsSchool of PhysicsPeking UniversityBeijing 100871China School of Mathematics and Physics University of Science and Technology BeijingBeijing 100083China Collaborative Innovation Center of Extreme Optics Shanxi UniversityTaiyuan 030006China Peking University Yangtze Delta Institute of Optoelectronics Nantong 226010China

Plasmonic modes within metal nanostructures play a pivotal role in various nanophotonic ***,a significant challenge arises from the fixed shapes of nanostructures post-fabrication,resulting in limited modes under ordinary illumination.A promising solution lies in far-field control facilitated by spatial light modulators(SLMs),which enable on-site,real-time,and non-destructive manipulation of plasmon *** the robust modulation of the incident light using SLMs,this approach enables the generation,optimization,and dynamic control of surface plasmon polariton(SPP)and localized surface plasmon(LSP)*** versatility of this technique introduces a rich array of tunable degrees of freedom to plasmon-enhanced spectroscopy,offering novel approaches for signal optimization and functional expansion in this *** paper provides a comprehensive review of the generation and modulation of SPP and LSP modes through far-field control with SLMs and highlights the diverse applications of this optical technology in plasmon-enhanced spectroscopy.

关键词： surface plasmon spatial light modulator dynamic control plasmon-enhanced spectroscopy

Achieving Seconds-to-Hours Duration-Tunable Organic Long Persistent Luminescence from Carbon Dots-Based Exciplex Systems by Energy Gaps Regulation

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Chinese Journal of Chemistry 2024年第12期42卷 1407-1417页

作者： yixuan xu Kai Jiang Linger Feng Xinyuan Tong Zuxu Zhou Fengshi Li Yi Zhang Jiaren Du Hengwei Lin International Joint Research Center for Photo-responsive Molecules and Materials School of Chemical and Material EngineeringJiangnan UniversityWuxiJiangsu214122China State Key Laboratory of Food Science and Resources Jiangnan UniversityWuxiJiangsu 214122China

Comprehensive Summary Duration-tunable afterglow materials have garnered considerable attention in various ***,carbon dots(CDs)-based long persistent luminescence(LPL)composites with a tunable duration in an ultrawide range of seconds-to-hours levels were designed and prepared for the first *** contrast to the established CD-based afterglow materials,we reported that CD-based composites exhibit LPL in the form of exciplexes and long-lived charge-separated states,enabling the LPL to be prolonged from several seconds to over one hour,exceeding the typical regulation range(limited to 1 min).Further studies revealed that the relationship between the excited and charge-transfer states of CDs plays a pivotal role in activating the LPL and regulating its ***,these composites exhibited high photoluminescence(PL)quantum yields of up to 60.63%,and their LPL was robust under ambient conditions,even in aqueous *** robust and superior LPL performance endows these composites with a strong competitive advantage in dynamic display systems,such as tags for time-resolved data encryption and displays of the remaining time of *** study offers an approach to preparing CDs-based LPL composites with tunable durations and may provide new insights for the development of rare-earth-free LPL materials.

关键词： Carbon dots Composites Charge separation Exciplex Persistent luminescence

Reveal the pharmacodynamic substances and mechanism of an edible medicinal plant Rhodiola crenulate in DSS-induced colitis through plasma pharmacochemistry and metabolomics

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Food Science and Human Wellness 2024年第4期13卷 2116-2131页

作者： Yu Peng Xiaoao Xiao Tingting Ji Xinyuan Wang yixuan xu Jianbo Xiao Hui Cao Zhiyong Chen Huifan Liu Yuanqing Gao Hongxun Tao Key Laboratory of Cardiovascular and Cerebrovascular Medicine School of PharmacyNanjing Medical UniversityNanjing 211166China School of Food and Biological Engineering Jiangsu UniversityZhenjiang 212013China Department of Analytical Chemistry and Food Science Faculty of ScienceUniversity of VigoVigo 36310Spain CISPAC Fontan BuildingCity of CultureSantiago de Compostela 15707Spain Shaanxi Academy of Traditional Chinese Medicine Xi'an 710003China Guangdong Key Laboratory of Science and Technology of Lingnan Specialty Food Zhongkai University of Agriculture and EngineeringGuangzhou 510550China State Key Laboratory of Southwestern Chinese Medicine Resources Chengdu 610075China

Rhodiola crenulate is the edible medicinal herbal medicine widely used for altitude sickness in ***,our previous work has found that *** extract(RCE)could significantly improve the pathology associated with dextran sulfate sodium-induced ***,the current research aims to reveal the pharmacodynamic material basis of RCE,as well as its mechanism against *** chemical characterization of RCE was performed by UHPLC-HR-MS,through which a total of 88 constituents were ***,our results also found 29 constituents absorbed into blood and 8 metabolized absorbable *** decreased flavonoids prototype and the elevated sulfated products of phenols were observed under pathophysiological conditions of *** metabolomics study revealed that colitis caused the alternation of fatty acid metabolism,steroid hormone biosynthesis and bile acid ***,RCE could prevent colitis by improving fatty acid metabolism and secondary bile acid metabolism.

关键词： Rhodiola crenulate Colitis Chemical characterization Plasma pharmacochemistry Metabolomics

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Color Expression and Mood Creation in Imagery Oil Painting

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Journal of Contemporary Educational Research 2024年第1期8卷 7-12页

作者： yixuan xu Northeast Normal University Changchun 130000Jilin ProvinceChina

Oil painting is a traditional Western painting *** the introduction of China and the influence of China’s traditional painting and aesthetics,the painting style became more distinctive,expanding a new development direction of oil painting,and thus imagery oil painting came into ***,as the most important element in imagery oil painting,mainly plays the role of mood creation and emotional *** creators are good at injecting their thoughts and emotions into the paintings through color matching,so as to enhance the artistic expression of the *** paper analyzes the color expression characteristics of imagery oil painting and explores the color expression techniques in imagery oil painting and mood creation of imagery oil painting from several aspects.

关键词： Imagery oil painting Color expression Mood creation

A Dual-polarized Frequency Selective Rasorber with a Tunable Transparent Band

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电讯技术 2024年第10期64卷 1569-1575页

作者： SHI Tongtong ZHANG Xiaofa WU Weiwei WANG Shaozhi xu yixuan YAN Yuchen YAN Xiao State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System National University of Defense TechnologyChangsha 410073China

A tunable dual polarization absorption-transmission-absorption(A-T-A)frequency selective absorbers(FSR)to address the issue of high insertion loss in current tunable FSRs is *** lumped resistors are loaded onto the lossy layer to absorb electromagnetic waves within the absorption *** varactor diodes are loaded onto another lossless layer to control the transmission frequency band of the *** equivalent circuit model is *** proposed tunable FSR can change the passband within the range of 14.5~15.5 GHz by changing the bias voltage applied to the lossless transmission layer,while maintaining insertion loss above-1.67 *** series resonant structure of the lossy layer generates bilateral absorption bands between 10.2~13.5 GHz and 17.2~22 GHz,with broadband reflection suppression ranging from 10.3 GHz to 22 GHz(70.7%).The prototype is manufactured,and the measured results have verified the simulation results.

关键词： tunable frequency selective rasorber dual-polarization RCS reduction stealthy radomes

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全球价值链的经济学研究进展

当代经济管理 2024年第11期46卷 16-30页

作者：许艺煊毛顺宇陆树檀中国社会科学院财经战略研究院北京100006 中国人民解放军国防大学国家安全学院北京100091 清华大学社会科学学院北京100084

信息通讯技术的进步和贸易成本的降低推动了全球价值链的形成,而全球价值链的发展则推动了国际贸易核算方法的革新,并催生了全新的跨学科研究领域。国外学者不仅对全球价值链的概念演进进行了深入探究,还对其与全球商品链、产业链和供... 详细信息

信息通讯技术的进步和贸易成本的降低推动了全球价值链的形成,而全球价值链的发展则推动了国际贸易核算方法的革新,并催生了全新的跨学科研究领域。国外学者不仅对全球价值链的概念演进进行了深入探究,还对其与全球商品链、产业链和供应链的关系进行了细致的辨析。最新文献聚焦于“全球价值链的核算方法”“全球价值链分工格局变化的驱动力”以及“全球价值链对发展中国家的经济影响”,展开了广泛而深入的经济学研究。研究发现:创新、制度政策、数字经济、新冠疫情和新保护主义都是全球价值链分工格局变化的重要驱动因素;同时,全球价值链的发展也会对创新、数字经济发展和制度政策产生反作用。尽管全球价值链能够促进发展中国家的经济增长,但对产业升级的影响尚待明确,同时也存在抑制企业自主创新、加重劳动剥削以及加剧竞争等负面影响。文章对全球价值链的经典文献和最新经济学研究进行系统回顾与梳理,对于后续研究及政策制定具有一定的积极意义。

关键词：全球价值链全球商品链国际贸易核算分工地位

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政府规制、流动性与交易收益率:效应与机制

国际金融研究 2024年第3期 16-25页

作者：姚东旻崔孟奇赵江威许艺煊中央财经大学中国财政发展协同创新中心中国社会科学院财经战略研究院

认识政府对金融市场规制影响的复杂性及其作用机制是政府进行合理规制的前提。本文将2018年8月14日中国地方政府债券发行定价限制作为一次准自然实验,研究政府规制对二级市场交易的影响,通过对比不同财力地方政府发行债券的差异化反应,... 详细信息

认识政府对金融市场规制影响的复杂性及其作用机制是政府进行合理规制的前提。本文将2018年8月14日中国地方政府债券发行定价限制作为一次准自然实验,研究政府规制对二级市场交易的影响,通过对比不同财力地方政府发行债券的差异化反应,验证政府规制的作用机制。研究发现:第一,政府规制有效矫正了地方政府债券定价扭曲,高财力地方政府债券定价在一级市场上具有更大扭曲,规制之后其二级市场交易收益率明显上升,而低财力地方政府无显著变化。第二,政府规制使高财力地方政府债券的流动性显著提高,并对交易收益率产生影响,证实了债券一级市场与二级市场存在联动性。第三,发行定价限制通过“政府规制—发行价格—交易收益率”直接路径和“政府规制—发行价格—流动性—交易收益率”间接路径,共同影响二级市场交易收益率,但主要通过间接路径影响交易收益率,初步打开了政府规制影响二级市场机制的“黑箱”。

关键词：政府规制债券市场政府财力交易收益率流动性

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准谐振Flyback变换器分析与设计

电气传动 2024年第1期54卷 20-26页

作者：吴庆安少亮徐义轩董松松西安理工大学电气工程学院陕西西安710000

设计了一台65 W输出的准谐振反激变换器(QR-Flyback)。分析了QR-Flyback的谷底开通原理与开关损耗减小机制,对比了系统在不同工况下的频率特点与损耗特征,总结了变频控制的优势与不足。结合NCP1380控制器的跳频控制功能,对系统各部分的... 详细信息

设计了一台65 W输出的准谐振反激变换器(QR-Flyback)。分析了QR-Flyback的谷底开通原理与开关损耗减小机制,对比了系统在不同工况下的频率特点与损耗特征,总结了变频控制的优势与不足。结合NCP1380控制器的跳频控制功能,对系统各部分的硬件电路参数进行详细设计,有效提升了整机效率。最后,通过仿真和实验验证了理论分析与参数设计的可行性。

关键词：准谐振反激变换器谷底开通跳频控制