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Improved Efficiency and Stability of Organic Solar Cells by Interface Modification Using Atomic Layer Deposition of Ultrathin Aluminum Oxide

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Energy & Environmental Materials 2024年第3期7卷 282-290页

作者： Ai Lan Yiqun Li Huiwen Zhu Jintao Zhu Hong Lu hainam do Yifan Lv Yonghua Chen Zhikuan Chen Fei Chen Wei Huang School of Flexible Electronics(Future Technologies)and Key Laboratory of Flexible Electronics(KLOFE)and Institute of Advanced Materials(IAM) Jiangsu National Synergetic Innovation Center for Advanced Materials(SICAM)Nanjing Tech UniversityNanjing 210009China Department of Chemical and Environmental Engineering University of Nottingham Ningbo ChinaNingbo 315000China Key Laboratory of Flexible Electronics of Zhejiang Province Ningbo Institute of Northwestern Polytechnical UniversityNingbo 315103China Frontiers Science Center for Flexible Electronics Xi'an Institute of Flexible Electronics(IFE)and Xi'an Institute of Biomedical Materials&EngineeringNorthwestern Polytechnical UniversityXi'an 710072China

The interfacial contacts between the electron transporting layers(ETLs)and the photoactive layers are crucial to device performance and stability for OSCs with inverted ***,atomic layer deposition(ALD)fabricated ultrathin Al_(2)O_(3)layers are applied to modify the ETLs/active blends(PM6:BTP-BO-4F)interfaces of OSCs,thus improving device *** ALD-Al_(2)O_(3)thin layers on ZnO significantly improved its surface morphology,which led to the decreased work function of ZnO and reduced recombination losses in *** simultaneous increase in open-circuit voltage(V_(OC)),short-circuit current density(J_(SC))and fill factor(FF)were achieved for the OSCs incorporated with ALD-Al_(2)O_(3)interlayers of a certain thickness,which produced a maximum PCE of 16.61%.Moreover,the ALD-Al_(2)O_(3)interlayers had significantly enhanced device stability by suppressing degradation of the photoactive layers induced by the photocatalytic activity of ZnO and passivating surface defects of ZnO that may play the role of active sites for the adsorption of oxygen and moisture.

关键词： atomic layer deposition interface modification organic solar cells stability

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Electrocatalytic CO_(2) reduction to C_(2)H_(4): From lab to fab

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Journal of Energy Chemistry 2024年第3期90卷 540-564,I0012页

作者： Zeyu Guo Fabao Yang Xiaotong Li Huiwen Zhu hainam do Kam Loon Fow Jonathan D.Hirst Tao Wu Qiulin Ye Yaqi Peng Hao Bin Wu Angjian Wu Mengxia Xu Department of Chemical and Environmental Engineering and New Materials InstituteUniversity of Nottingham Ningbo ChinaNingbo 315100ZhejiangChina Key Laboratory of Carbonaceous Waste Processing and Process Intensification of Zhejiang Province University of Nottingham Ningbo ChinaNingbo 315100ZhejiangChina Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute University of Nottingham Ningbo ChinaNingbo 315100ZhejiangChina State Key Laboratory of Clean Energy Utilization Department of Energy EngineeringZhejiang UniversityHangzhou 310027ZhejiangChina Institute for Composites Science Innovation(InCSI)and State Key Laboratory of Silicon and Advanced Semiconductor Materials School of Materials Science and EngineeringZhejiang UniversityHangzhou 310027ZhejiangChina School of Chemistry University of NottinghamUniversity ParkNottingham NG72RDUK Baima Lake Laboratory Hangzhou 310053ZhejiangChina

The global concerns of energy crisis and climate change,primarily caused by carbon dioxide(CO_(2)),are of utmost ***,the electrocatalytic CO_(2) reduction reaction(CO_(2)RR) to high value-added multi-carbon(C_(2+)) products driven by renewable electricity has emerged as a highly promising solution to alleviate energy shortages and achieve carbon *** these C_(2+) products,ethylene(C_(2)H_(4))holds particular importance in the petrochemical ***,this review aims to establish a connection between the fundamentals of electrocatalytic CO_(2) reduction reaction to ethylene(CO_(2)RRto-C_(2)H_(4)) in laboratory-scale research(lab) and its potential applications in industrial-level fabrication(fab).The review begins by summarizing the fundamental aspects,including the design strategies of high-performance Cu-based electrocatalysts and advanced electrolyzer ***,innovative and value-added techniques are presented to address the inherent challenges encountered during the implementations of CO_(2)RR-to-C_(2)H_(4) in industrial ***,case studies of the technoeconomic analysis of the CO_(2)RR-to-C_(2)H_(4) process are discussed,taking into factors such as costeffectiveness,scalability,and market *** review concludes by outlining the perspectives and challenges associated with scaling up the CO_(2)RR-to-C_(2)H_(4) *** insights presented in this review are expected to make a valuable contribution in advancing the CO_(2)RR-to-C_(2)H_(4) process from lab to fab.

关键词： CO_(2) electroreduction reaction Ethylene Gas diffusion electrode Machine learning Density functional theory Techno-economic analysis

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Accurate Force Field Development for Modelling Macromolecular Assemblies Containing Diketopyrrolopyrrole and Thiophene

Accurate Force Field Development for Modelling Macromolecula...

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2019中国化学会第十五届全国计算（机）化学学术会议

作者：江玲 Jonathan D.Hirst hainam do 宁波诺丁汉大学 School of Chemistry University of Nottingham Department of Chemical and Environmental Engineering University of Nottingham Ningbo China

It is challenging to find sufficiently accurate force fields for applications where equilibrium structures generated from classical molecular dynamics simulations are employed in post quantum chemistry calculations.1 One particular application is in the study of optical and electronic properties of materials and biomolecules. Many semiconducting polymers, molecular crystals and biological chromophores of interest exhibit complex chemical structures with extended-conjugation that prevent the use of standard force fields. Furthermore, large conjugated molecules require to use many atom types and parameters. They also tend to be system specific in most cases and not transferable.2 Thus, parameterising force fields for conjugated systems using existing approaches can be time demanding. In addition, it is desirable that the equilibrium structures generated from classical molecular dynamics simulations are as close as possible to those that would have been generated using the same level of theory as the post electronic structure calculations. We present a scheme, utilising the force matching procedure,3,4 to systematically parameterise new force fields for large conjugated systems. We apply the method to both conjugated polymers and molecular crystals that contain diketopyrrolopyrrole（DPP） and thiophene units. These systems have recently been found to have low band gap, which exhibit high effciency for photovoltaic devices. We use the newly parameterised force fields to model these systems and our molecular dynamics simulation results will help in the understanding of the molecular level origins of the high-efficiency of these classes of materials.

关键词： Conjugated Molecules Force Fields Development Force-Matching Molecular Dynamics Simulation

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哀牢山-红河剪切带中段多阶段新生代花岗岩脉:同位素年代学及对于剪切应变型式转变时间的约束

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岩石学报 2018年第5期34卷 1347-1358页

作者：陈玮刘俊来樊文魁冯嘉闫佳鑫陶海南中国地质大学(北京)地球科学与资源学院北京100083 中国地质大学地质过程与矿产资源国家重点实验室北京100083

哀牢山-红河剪切带是新生代印度板块与欧亚板块碰撞过程中发育的大规模走滑型剪切带,其发育对于碰撞过程中印支地块的南东向逃逸以及藏东南地区构造格局的形成具有重要的贡献。与剪切带演化相关,伴随发育多阶段花岗岩脉就位,它们为限定... 详细信息

哀牢山-红河剪切带是新生代印度板块与欧亚板块碰撞过程中发育的大规模走滑型剪切带,其发育对于碰撞过程中印支地块的南东向逃逸以及藏东南地区构造格局的形成具有重要的贡献。与剪切带演化相关,伴随发育多阶段花岗岩脉就位,它们为限定剪切变形时限、阐明剪切作用属性提供了重要证据。本文在野外观察基础上,应用显微构造和EBSD石英c-轴组构分析查明花岗岩脉的构造特点与应变型式,同时采用锆石LA-ICP-MS测年方法获得岩脉侵位与结晶年龄。年龄分析结果表明,岩脉年龄分别为27.09±0.48Ma、25.17±0.23Ma和25.16±0.50Ma,其中年龄为27.09±0.48Ma的花岗岩脉具有糜棱岩化现象,其变形特征体现为中温变形后叠加低温变形,且剪切变形形式由一般剪切转换为简单剪切;年龄为25.17±0.23Ma的花岗岩脉表现出同剪切晚期构造特征,且具有较低温度简单剪切变形特点;25.16±0.50Ma的切穿糜棱叶理,矿物未见变形,可能代表剪切期后岩脉。结合区域构造,推测剪切方式由纯剪为主的剪切向由单剪为主的剪切转换发生在27Ma和25Ma之间,哀牢山-红河剪切带中段在约25Ma走滑运动结束。

关键词：哀牢山-红河剪切带花岗质岩脉变形显微构造石英c轴组构应变型式转换

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MYCOPLASMA-LIKE ORGANISMS ASSOCIATED WITH CROTALARIA ANAGROIDES WITCHES' BROOM DISEASE

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Chinese Science Bulletin 1981年第12期26卷 1125-1127页

作者：戴月明陈乃荣沈菊英陈作义 South China Institute of Tropical Crops Hainam Shanghai Institute of Biochemistry Academia Sinica Shanghai Institute of Biochemistry Academia Sinicarotalaria anagroides is a very good perennial tallstalk manure crop in South China usually grown in orchards or beside paddy fields. Each leaf of the normal plant is made up of three small leaves. The raceme grows at the apex with yellow petals.

Crotalaria anagroides is a very good perennial tallstalk manure crop in South China, usually grown in orchards or beside paddy fields. Each leaf of the normal plant is made up of three small leaves. The raceme grows a... 详细信息

关键词： perennial manure yellow paddy BROOM DISEASE flower dwarf axillary suffer elongated

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