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Interface phenomena in organic electronics and spintronics

打印|关闭日期:2013-11-28 14:50:01阅读

 

演讲人: Prof. Mats Fahlman

        Division of Surface Physics and Chemistry
           Department of Physics, Chemistry and Biology
           Linköping University, SE-58183, Linköping, Sweden
 
题目:Interface phenomena in organic electronics and spintronics
 
时间:2013年12月2日(星期一)上午10:00
 
地点:独墅湖校区909号楼一楼B会议室 (Conference Room B, 909-1F)
 
摘要:
    All organic-based electronic devices are made by deposition of successive layers (metal, oxide, insulating or semiconducting layers), and many key electronic processes (such as charge injection from metallic electrodes, charge recombination into light or light conversion into charges, etc.) occur at interfaces. In fact, as charges are localized on (parts of) molecules in most films, even charge transport through a film can be seen as a sequence of charge injection events at organic-organic junctions. Organic electronic and spintronic device performance thus is strongly linked to the energy level alignment at the various interfaces contained within, and it is of great importance to understand and predict energy level alignment at both metal-organic and organic-organic interfaces. Here we will give an overview on energy level alignment at interfaces and give examples of how photoelectron spectroscopy, sometimes combined with interface modeling, can shed light on device functionality in e.g. organic photovoltaics,1 transistors,2 thermoelectrics,3 and spin valves.4
 
1.     Mats Fahlman, Parisa Sehati, Wojciech Osikowicz, Slawomir Braun, Michel P. de Jong, Geert Brocks, J. Electron Spectrosc. Relat. Phenom, 2013, 10.1016/j.elspec.2013.02.001
2.     Simone Fabiano, Slawomir Braun, Mats Fahlman, Xavier Crispin and Magnus Berggren , Adv. Funct. Mater., 2013, 10.1002/adfm.201302070
3.     Olga Bubnova, Zia Ullah Khan, Abdellah Malti, Slawomir Braun, Mats Fahlman, Magnus Berggren and Xavier Crispin, Nature Mater., 10 (2011) 429.
4.     Yiqiang Zhan, Erik Holmström, Raquel Lizárraga, Olle Eriksson, Xianjie Liu, Fenghong Li, Elin Carlegrim, Sven Stafström and Mats Fahlman, Adv.  Mater., 22 (2010) 1626.
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欢迎感兴趣的老师和同学参加!
 
个人简介:Prof. Mats Fahlman 
功能纳米与软物质研究院
研究生院高水平学术交流中心