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Single-crystalline hole-transporting layers for efficient and stable organic light-emitting devices

Light(Science & Applications) 2024年第7期13卷 1341-1353页

作者： Gao-Da Ye Ran Ding Su-Heng Li Lei Ni Shu-Ting Dai Nian-Ke Chen Yue-feng Liu Runda Guo Lei Wang Xian-Bin Li Bin Xu Jing feng State Key Laboratory of Integrated Optoelectronics College of Electronic Science and EngineeringJilin University2699 Qianjin Street130012 ChangchunChina. State Key Laboratory of Supermolecular Structures and Materials The Institute of Theoretical ChemistryJilin University2699 Qianjin Street130012 ChangchunChina. Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology430074 WuhanChina

Efficient charge-carrier injection and transport in organic light-emitting devices(OLEDs)are essential to simultaneously achieving their high efficiency and long-term ***,the charge-transporting layers(CTLs)deposited by various vapor or solution processes are usually in amorphous forms,and their low charge-carrier mobilities,defectinduced high trap densities and inhomogeneous thickness with rough surface morphologies have been obstacles towards high-performance ***,organic single-crystalline(SC)films were employed as the hole-transporting layers(HTLs)instead of the conventional amorphous films to fabricate highly efficient and stable *** highmobility and ultrasmooth morphology of the SC-HTLs facilitate superior interfacial characteristics of both HTL/electrode and HTL/emissive layer interfaces,resulting in a high Haacke’s figure of merit(FoM)of the ultrathin top electrode and low series-resistance joule-heat loss ratio of the ***,the thick and compact SC-HTL can function as a barrier layer against moisture and oxygen *** a result,the SC-OLEDs show much improved efficiency and stability compared to the OLEDs based on amorphous or polycrystalline HTLs,suggesting a new strategy to developing advanced OLEDs with high efficiency and high stability.

关键词： crystalline amorphous charge

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Do nocturnal birds use acoustic and visual cues to avoid predation by bats?

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Integrative Zoology 2024年第3期19卷 524-537页

作者： Lixin GONG Huan WU Zhiqiang WANG Hui WU Jiang feng Tinglei JIANG jilin Provincial Key Laboratory of Animal Resource Conservation and Utilization Northeast Normal UniversityChangchunChina Key Laboratory of Vegetation Ecology of Education Ministry Institute of Grassland ScienceNortheast Normal UniversityChangchunChina College of Life Science Jilin Agricultural UniversityChangchunChina

Anti-predation strategies are critical to animal survival and are fundamental to deciphering predator–prey *** an important defense strategy,sensory predator detection(such as through acoustic and visual cues)enables animals to assess predation risk and execute predator-avoidance behavior;however,there are limited studies on the anti-predation behavior of nocturnal *** prey of bats provides an excellent representative system for examining the anti-predation behavior of nocturnal ***,we broadcasted different types of echolocation calls of the bird-eating bat Ia io to two wild passerine birds,namely,Zosterops japonicus and Sinosuthora webbiana,that are preyed upon by ***,and presented the birds with individual bats under different light *** results showed that both bird species were able to perceive the low-frequency audible portion of the bats’echolocation calls;however,they did not exhibit escape responses to the acoustic *** the dark and under moonlit conditions,both bird species were unable to respond to active bats at close range and the birds only exhibited evasive flight behavior when bats approached or touched *** results suggest that nocturnal passerine birds may not be able to use acoustic or visual cues to detect bats and adopt evasive maneuvers to avoid *** work suggests that bat predation pressure may not elicit primary predator-avoidance responses in nocturnal passerine *** results provide new insights into the anti-predation behavior of nocturnal animals.

关键词： anti-predation behavior nocturnal animals sensory cues sensory defenses

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以用户为中心的信息系统集成车载平台设计方法

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电子质量 2023年第12期 1-9页

作者：邢通余波吴博夏磊冯继林南京天海通信有限公司江苏南京210012 中央军委装备发展部军事代表局驻郑州地区军事代表室河南郑州450000

现代战场的环境愈发多变和严苛,这对系统集成装备提出了更高的要求,因此作为信息系统集成的最基础平台,车载平台应围绕着用户的实际使用需求,向着更高的性能方向发展。以用户为中心出发,介绍了车载平台设计的发展方向,包括轻量化、防护... 详细信息

现代战场的环境愈发多变和严苛,这对系统集成装备提出了更高的要求,因此作为信息系统集成的最基础平台,车载平台应围绕着用户的实际使用需求,向着更高的性能方向发展。以用户为中心出发,介绍了车载平台设计的发展方向,包括轻量化、防护性高和定制化等,并根据各方向叙述了相应的设计方法,为信息系统集成车载平台的设计制造提供了参考。

关键词：信息系统车载平台防弹隐身有限元分析

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Enhanced cycle stability of aprotic Li-O_(2) batteries based on a self-defensed redox mediator

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Chinese Chemical Letters 2024年第3期35卷 449-452页

作者： Guiru Sun Yan Wang Daming Yang Zexu Zhang Wei Lu Ming feng Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education Jilin Normal UniversityChangchun 130103China College of Information Technology Jilin Engineering Research Center of Optoelectronic Materials and DevicesJilin Normal UniversitySiping 136000China

LiBr as a promising redox mediator(RM)has been applied in Li-O_(2)batteries to improve oxygen evolution reaction kinetics and reduce ***,the redox shuttle of Br_(3)^-can induce the unexpected reactions and thus cause the degradation of LiBr and the corrosion of Li anode,resulting in the poor cyclability and the low round-trip ***,MgBr_(2)is firstly employed with dual functions for Li-O_(2)batteries,which can serve as a RM and a SEI film-forming *** Br^(–)is beneficial to facilitating the decomposition of Li_(2)O_(2)and thus decreasing the ***,a uniform SEI film containing Mg and MgO generates on Li anode surface by the in-situ spontaneous reactions of Mg^(2+)and Li anode in an O_(2)environment,which can suppress the redox shuttle of Br_(3)^-and improve the interface stability of Li anode and *** from these advantages,the cycle life of Li-O_(2)battery with MgBr_(2)electrolyte is significantly extended.

关键词： MgBr_(2) Redox mediator Redox shuttle Li anode SEI film

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动物育种规划最优化研究进展

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吉林农业科学 1999年第5期24卷 35-40页

作者：柳楠刘积凤孙宏艳吉林省农科院吉林公主岭136100 黑龙江畜牧兽医编辑部黑龙江哈尔滨150040

围绕动物育种规划最优化研究进展加以综述，在回顾动物育种规划最优化方法发展过程的基础上，重点介绍了动物育种目标、杂交繁育体系的优化问题和ＭＯＥＴ核心群育种规划研究３个方面的内容。

关键词：动物最优化育种规划研究进展遗传学

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Polarity-controllable magnetic skyrmion filter

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Chinese Physics B 2024年第10期33卷 400-404页

作者： Xiao-Lin Ai Hui-Ting Li Xue-feng Zhang Chang-feng Li Je-Ho Shim Xiao-Ping Ma Hong-Guang Piao Hubei Engineering Research Center of Weak Magnetic-Field Detection College of ScienceChina Three Gorges UniversityYichang 443002China Department of Physics College of ScienceYanbian UniversityYanji 133002China

The skyrmion generator is one of the indispensable components for the future functional skyrmion devices,but the process of generating skyrmion cannot avoid mixing with other magnetic textures,such as skyrmionium and nested skyrmion *** mixed magnetic textures will inevitably lead to the blockage of skyrmion transport and even the distortion of data ***,the design of an efficient skyrmion filter is of great significance for the development of skyrmion-based spintronic *** this work,a skyrmion filter scheme is proposed,and the high-efficiency filtering function is demonstrated by micromagnetic *** results show that the filtering effect of the scheme depends on the structure geometry and the spin current density that drives the *** on this scheme,the polarity of the filtered skyrmion can be controlled by switching the magnetization state at the output end,and the“cloning”of the skyrmion can be realized by geometric optimization of the *** believe that in the near future,the skyrmion filter will become one of the important components of skyrmion-based spintronic devices in the future.

关键词： spintronics skyrmions skyrmion filter skyrmion polarity skyrmion clone

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Oxygenic iron clusters in ZSM-5 zeolite promote quantum sieving of gaseous hydrogen isotopes

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Science China Chemistry 2024年第4期67卷 1242-1249页

作者： Jingjing Zhang Yongyan Deng Dongxu Gai Yang Shi Xingwen feng Peilong Li Yongtao An Xiaoqin Zou Institute of Materials China Academy of Engineering PhysicsMianyang 621907China Faculty of Chemistry Northeast Normal UniversityChangchun 130024China

Isotopic separation is of paramount importance for producing high-purity heavy hydrogen,yet the process remains hugely ***,we report on an Fe/ZSM-5 zeolite that was able to efficiently separate deuterium from protium via chemical quantum *** data showed that four types of Fe species were present in Fe/ZSM-5 and oligomeric Fe-O clusters in the zeolite pores were correlated directly with gas *** adsorption revealed that Fe-O species served as the main adsorption sites and interacted with D_(2) more strongly than with H_(2).D_(2)/H_(2)separation was exemplified using thermal desorption spectroscopy.D_(2)/H_(2) selectivity increased with Fe loading in Fe/ZSM-5 and a selectivity of 32.1 was obtained with an optimal loading of 7 wt%.The shift of desorption temperature supports the chemical affinity-based quantum sieving of D_(2)over H_(2).This study demonstrates an effective strategy for enhancing D_(2)/H_(2) separation and the high selectivity means that Fe/ZSM-5 has strong potential in hydrogen isotope separation.

关键词： iron zeolite hydrogen isotope gas separation quantum sieving thermal desorption

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长白落叶松（Larix olgensis）幼树生物量的初步研究

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吉林林学院学报 1995年第2期11卷 119-121页

作者：杨义波王晓红丰连海孙福臣吉林省林业学校吉林省松江河林业局

研究证明，长白落叶松幼树各器官生物量的分配随年龄增长的变动规律是：在幼年时期，枝和叶的生物量所占比重较大，根的生物量比重很小；１１ａ开始幼树生物量迅速上升，随年龄的增加，树干所占的比值迅速增加，枝叶所占的比值明显减少．

关键词：长白落叶松生物量相关性落叶松幼树

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Fabrication of Bio-inspired Superamphiphobic Aluminum Alloy Surface with Oil-triggered Wenzel-Slippery Transition via Femtosecond Laser

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Journal of Bionic Engineering 2024年第3期21卷 1375-1387页

作者： Weijian Liu feng Guan Fulin Zhang Chenrui Wang Wei Zheng Lu Zhai Zhaohua Lin Chunbao Liu AVIC Shenyang Aircraft Corporation Shenyang110000China School of Mechanical and Aerospace Engineering Jilin UniversityChangchun130022China

Surface-tension-confined microfluidic devices are platforms for manipulating 2D droplets based on patterned surfaces with special *** have great potential for various applications,but are still in the early stages of development and face some challenges that need to be *** study,inspired by the Wenzel and slippery transition of rose petal,develops a Patterned Oil-triggered Wenzel-slippery Surface(POWS)to examine the microfluidic devices.A laser-chemical composite method is established to fabricate POWSs,which take rose-petal-like microstructures as wettability pattern and a superamphiphobic surface as the *** prepared POWSs switched between high adhesion superhydrophobic state and the slippery liquid-infused surface state through adding or removing the lubricant *** the high adhesion superhydrophobic state,the droplets can be sticked on the *** the slippery liquid-infused state,the droplet can slide along the wettability pattern as the designed route.A POWS-based droplet reactor is further constructed,on which,the droplets can be remotely controlled to move,mix and react,as *** a POWS,which manipulates droplets with surface tension controlled by the switchable wettability patterns,would be a promising candidate to construct multiple surface-tension-confined microfluidic *** addition,the fabrication technique and design principle proposed here may aid the development of various field related to the bio-inspired surfaces,such as water collection,desalination and high throughput analysis,etc.

关键词： Biomaterials Bio-inspired surface Oil-triggered wenzel-slippery transition Superhydrophobicity Femtosecondlaser

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Intestinal Behçet's disease: A review of clinical diagnosis and treatment

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World Journal of Gastrointestinal Surgery 2024年第6期16卷 1493-1500页

作者： Ying Liu feng Gao Ding-Quan Yang Yan Jiao Department of General Surgery The Affiliated Hospital to Changchun University of Chinese MedicineChangchun 130021Jilin ProvinceChina Department of Gastrointestinal and Colorectal Surgery China-Japan Union Hospital of Jilin UniversityChangchun 130033Jilin ProvinceChina Department of Hepatobiliary and Pancreatic Surgery General Surgery CenterThe First Hospital of Jilin UniversityChangchun 130021Jilin ProvinceChina

Behçet's disease(BD)is a chronic inflammatory disorder prone to frequent re-currences,with a high predilection for intestinal ***,the ef-ficacy and long-term effects of surgical treatment for intestinal BD are *** the current issue of World J Gastrointest Surg,Park et al conducted a retrospec-tive analysis of 31 patients with intestinal BD who received surgical *** found that elevated C-reactive protein levels and emergency surgery were poor prognostic factors for postoperative recurrence,emphasizing the adverse impact of severe inflammation on the prognosis of patients with intestinal *** work has clinical significance for evaluating the postoperative condition of intestinal *** editorial attempts to summarize the clinical diagnosis and treatment of intestinal BD,focusing on the impact of adverse factors on surgical *** hope this review will facilitate more precise postoperative management of patients with intestinal BD by clinicians.

关键词： Intestinal Behçet's disease Diagnosis Treatment Surgery Recurrence

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