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| 1 | 基于A位元素置换策略合成新型MAX相材料Ti_3ZnC_2显示文摘MAX相材料是一类兼具金属和陶瓷特性的三元层状材料,在高温导电、耐磨、耐腐蚀和耐辐照损伤等方面性能优异。目前已经合成出的MAX相材料已有70余种,但A位元素一直局限在ⅢA和ⅣA主族元素,如Al、Si、Ga等,而以副族元素占据A位的MAX相鲜有报道。本研究以Ti_3AlC_2为前驱体,利用熔盐中的A位置换反应,制备出了A位为Zn元素的全新MAX相材料Ti_3ZnC_2。结合X射线衍射、扫描电子显微镜和透射电子显微镜等分析手段对Ti_3ZnC_2的成分和结构进行了确认,并通过密度泛函理论对Ti_3ZnC_2的结构稳定性和晶格参数进行了确定。进一步通过热力学计算对Fe、Co、Ni、Cu等几种元素的A位置换反应进行了预测,发现采用这几种元素的氧化物进行置换反应在热力学上也都具有可行性。本研究所提出的元素置换策略是在保持MAX相六方层状晶体结构的基础上,利用Al、Zn在高温下形成共晶产物实现Zn原子向A层内的迁移,而熔盐介质的存在促进了反应动力学。本方法巧妙地避免了MAX相传统合成过程中竞争相的形成,如M-A合金相,因此可以用于探索更多未知的MAX相材料。 | 李勉 李友兵 罗侃 LU Jun EKLUND Per PERSSON Per ROSEN Johanna HULTMAN Lars 都时禹 黄政仁 黄庆 | 2019 | 无机材料学报2019，34，1： | 14 |
| 2 | Single Cr atom catalytic growth of graphene显示文摘 | Huy Q. Ta Uang Zhao Wanjian Yin Darius Pohl Bemd Rellinghaus Thomas Gemming Barbara Trzebicka Justinas Palisaitis Gao Jing Per O. A. Persson Zhongfan Liu Alicja Bachmatiuk Mark H. Rummeli | 2018 | Nano Research2018，11，5： | 3 |
| 3 | Electrochemical Lithium Storage Performance of Molten Salt Derived V_(2)SnC MAX Phase显示文摘MAX phases are gaining attention as precursors of two-dimensional MXenes that are intensively pursued in applications for electrochemical energy storage.Here,we report the preparation of V_(2)SnC MAX phase by the molten salt method.V_(2)SnC is investigated as a lithium storage anode,showing a high gravimetric capacity of 490 mAh g−1 and volumetric capacity of 570 mAh cm^(−3) as well as superior rate performance of 95 mAh g^(−1)(110 mAh cm^(−3))at 50 C,surpassing the ever-reported performance of MAX phase anodes.Sup-ported by operando X-ray diffraction and density functional theory,a charge storage mechanism with dual redox reaction is proposed with a Sn-Li(de)alloying reaction that occurs at the edge sites of V_(2)SnC particles where Sn atoms are exposed to the electrolyte followed by a redox reaction that occurs at V_(2)C layers with Li.This study offers promise of using MAX phases with M-site and A-site elements that are redox active as high-rate lithium storage materials. | Youbing Li Guoliang Ma Hui Shao Peng Xiao Jun Lu Jin Xu Jinrong Hou Ke Chen Xiao Zhang Mian Li Per OÅPersson Lars Hultman Per Eklund Shiyu Du Zhifang Chai Zhengren Huang Na Jin Jiwei Ma Ying Liu Zifeng Lin Qing Huang | 2021 | Nano-Micro Letters2021，13，10： | 2 |
| 4 | Product Profiles in Enzymic and Non - enzymic Oxidations of the Lignin Model Compound Erythro - 1 - (3,4 - Dimethox yphenyl) - 2 - (2 - Methoxyphenoxy) - 1,3 - Propanedio 显示文摘 | Christina Bohlin Per Persson Lo Gorton | 2005 | Journal of Molecular Catalysis B : Enzymatic2005，35，46： | 1 |
| 5 | An overview of wire-drawing dies and die-working technology显示文摘 | Dr Per Enghag Lars Persson | | 0，，03： | 1 |
| 6 | Field normal- ized citation rates, field normalized journal impact and norwe- gian weights for allocation of university research funds 显示文摘 | Per Ahlgren Cristian Cnlliander Olle Persson | 2012 | Seientametries2012，92，： | 1 |
| 7 | Sediment-chemistry response to land-use change and pollutant loading in a hypertrophic lake, southern Sweden显示文摘 | Siv Olsson Joachim Regnéll Anders Persson Per Sandgren | 1997 | Journal of Paleolimnology1997，，3： | 1 |
| 8 | Interaction of fungal laccases and laccase-mediator systems with lignin显示文摘 | Sergey Shleev Per Persson Galina Shumakovich | 2006 | Enzyme and Microbial Technology2006，39，： | 1 |
| 9 | Proto- nation and Charging of Nanosized Gibbsite Particles in Aqueous Suspension 显示文摘 | Jorgen Rosenqvist Per Persson Staffan Sjoberg | 2002 | Langmuir2002，18，12： | 1 |
| 10 | Sediment-chemistry response to land-use change and pollutant loading in a hypertrophic lake, southern Sweden显示文摘 | Siv Olsson Joachim Regnéll Anders Persson Per Sandgren | 1997 | Journal of Paleolimnology1997，，3： | 1 |
| 11 | Reductions in use of hormone replacement therapy: effects on Swedish breast cancer incidence trends only seen after several years显示文摘 | Mats Lambe Annette Wigertz Marit Holmqvist Jan Adolfsson Carola Bardage Tommy Fornander Per Karlsson Viveca Odlind Ingemar Persson Johan Ahlgren Leif Bergkvist | 2010 | Breast Cancer Research and Treatment2010，，3： | 1 |
| 12 | Packet video errorconcealment with Gaussian mixture models显示文摘 | Daniel Persson Thomas Eriksson Per Hedelin | 2008 | IEEE Transactions onImage Processing2008，17，2： | 1 |
| 13 | Sediment-chemistry response to land-use change and pollutant loading in a hypertrophic lake, southern Sweden显示文摘 | Siv Olsson Joachim Regnéll Anders Persson Per Sandgren | 1997 | Journal of Paleolimnology1997，，3： | 1 |
| 14 | MXene-based symmetric supercapacitors with high voltage and high energy density显示文摘MXene-based aqueous symmetric supercapacitors(SSCs)are attractive due to their good rate performances and green nature.However,it remains a challenge to reach voltages much over 1.2 V,which significantly diminishes their energy density.Herein,we report on Mo_(1.33)CTz MXene-based SSCs possessing high voltages in a 19.5 M LiCl electrolyte.Benefiting from the vacancy-rich structure and high stable potential window of Mo_(1.33)CTz,the obtained SSCs deliver a maximum energy density of>38.2 mWh cm^(-3) at a power density of 196.6 mW cm^(-3) under an operating voltage of 1.4 V,along with excellent rate performance and impressive cycling stability.This highly concentrated LiCl electrolyte is also applicable to Ti_(3)C_(2)Tz,the most widely studied MXene,achieving a maximum energy density of>41.3 mWh cm^(-3) at a power density of 165.2 mW cm^(-3) with an operating voltage of 1.8 V.The drop in energy density with increasing power in the Ti_(3)C_(2)Tz cells was steeper than for the Mo-based cells.This work provides a roadmap to develop superior SSCs with high voltages and high energy densities. | Wei Zheng Joseph Halim Per O.Å.Persson Johanna Rosen Michel W.Barsoum | 2022 | Materials Reports(Energy)2022，2，1： | 0 |
| 15 | A Dual-Promoter Gene Orchestrates the Sucrose-Coordinated Synthesis of Starch and Fructan in Barley显示文摘因为它在植物个体发生和复制期间为生长和开发保证精力供应,顺序的糖类合成为植物幸存是重要的。淀粉和 fructan 是在许多 flowering 植物并且在人的食谱的二个重要糖类。理解这协调淀粉和 fructan 合成并且解开植物怎么分配 photosynthates 并且为幸存优先考虑不同糖类合成,能为更大的食物的目的在农业导致改进到谷物 ? 安全和生产质量。这里,我们在大麦从单个基因报导一个系统 ? 雇用二个其他的倡导者,一 intronic/exonic,产生二个重叠顺序却机能上地反对的抄写因素在察觉到蔗糖,潜在地经由 sucrose/glucose/fructose/trehalose 6 磷酸盐发信号。系统在在一个倡导者上察觉一项控制蔗糖的 trans 活动并且安排采用自动调整的机制 ? 由另外的倡导者上的竞争抄写因素绑定的协调淀粉和 fructan 合成。作为在为系统的生理的角色的点的一个案例,我们证明了这个多任务系统能在与 fructan 的定制的数量引起大麦生产健康食物成分被利用。在招待基因的一个 intron/exon-spanning 倡导者的鉴定,与不同功能导致蛋白质,增加植物染色体的复杂性。 | Yunkai Jin Mingliang Fei Sara Rosenquist Lu Jin Suresh Gohil Corine Sandstrom Helena Olsson Cecilia Persson Anna-Stina Hoglund Gunnel Fransson Ying Ruan Per Aman Christer Jansson Chunlin Liu Roger Andersson Chuanxin Sun | 2017 | Molecular Plant2017，10，12： | 0 |
| 16 | 西伯利亚苔原对大陆架海域和北冰洋环境的影响显示文摘'94’苔原生态'考察队研究了河流输入到大陆架海域的无机和有机碳及其在海水和沉积物中的生物化学转化。另外,还研究了水和沉积物中的人为放射性核物质、^(137)Cs、^(90)Sr和^(239.240)Pu 。溶解的无机碳的分布表明鄂毕河和叶尼塞河大部分的径流进入北冰洋中心之前都经过了拉普捷夫海。沉积物研究表明不同位置海底氧的吸收、溶解无机碳和养分的迁移都具有明显的差异。切尔诺贝利事故泄漏的^(137)Cs的活动有30%分布在巴伦支海、喀拉海和拉普捷夫海。巴伦支海的^(137)Cs增加了5~8Bq/m^3,喀拉海增加了5~13Bq/m^3,拉普捷夫海增加了8~15Bq/m^3,但在河口出现局部的低浓度。^(90)Sr值也相应地达到2.5,3和4Bq/m^3。 | LeifG.Anderson Kjell-keCarlsson Elis Holm PerO.J.Hall Dan Josefsson Kristina Olsson Bertil R.R.Persson Tomas Persson Per Roos Anders Tengberg Margareta Wedborg 周才平 | 1999 | 人类环境杂志1999，28，3： | 0 |
| 17 | 气候变化对水质的影响:瑞典南部的模型预测结果显示文摘基于6种区域气候变化情景,用模型方法对伦讷(Rnnea)河流域的农田土壤氮淋溶量、水流量和氮的持留量进行了模拟。另外,利用模型对富营养化的灵湖(Lake Ringsjn)的生物学响应进行了研究。将模拟结果与其他流域类似的研究进行了比较。不同气候变化情景对于水质有相似的影响,但影响程度有所不同。但是,由于在水文上缺乏明显的季节变化,在一种情景下出现了与其他各种情景不同的转移模式。就平均情况来看,研究结果表明,在未来的气候条件下,可能出现如下结果:1)农田土壤根系区及河水中的氮浓度都会明显增加,分别增加+50%和+13%;2)由于冬季径流量明显增加,每年由陆地向海洋输送的氮量也会明显增加(+22%);3)湖泊的生物化学过程发生明显变化,总磷和总氮的浓度都明显增加,分别增加50%和20%,同时,浮游藻类(如蓝藻细菌)增加80%。 | Berit Arheimer Johan Andéasson Sofia Fogelberg Holger Johnsson Charlotta B. Pers Kristian Persson 许中旗(译) 许晴(校) | 2005 | AMBIO-人类环境杂志2005，34，B11： | 0 |
| 18 | Colorless-to-colorful switching of electrochromic MXene by reversible ion insertion显示文摘Electrochromic(EC)materials that change color with voltage have been widely studied for use in dynamic windows.However,colorless-to-colorful switching with high contrast ratio is generically unattainable,especially for colorless-to-black electrochromic materials with an ultrahigh contrast ratio over the entire visible region.In this work,we developed Nb_(1.33)C MXene-based dynamic windows with colorless-to-black switching of up to 75%reversible change in transmittance from 300 to 1,500 nm.By exploring the electrochromic effects of different electrolytes through in situ optical changes and electrochemical quartz crystal microbalance(EQCM),it is found that electrochromic behavior is greatly influenced by the extent of reversible Li^(+)insertion/deinsertion between the two-dimensional Nb_(1.33)C MXene nanosheets.In addition,a colorless-to-black EC device based on Nb_(1.33)C with an overall integrated contrast ratio over 80%was successfully constructed by a solution-processable spin coating method.This work enables a simple route to fabricate MXene-based high-performance electrochromic smart windows,which is important for further expanding the application of MXenes to optoelectronic and photonic applications. | Jianxia Jiang Leiqiang Qin Joseph Halim Per O.Å.Persson Lintao Hou Johanna Rosen | 2022 | Nano Research2022，15，4： | 0 |
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