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Angular dependent NEXAFS study of the molecular orientation of PTCDA multilayers on Au (111) surface
  • ISSN号：1001-6538
  • 期刊名称：Chinese Science Bulletin
  • 时间：0
  • 页码：3575-3577
  • 分类：TN304.5[电子电信—物理电子学] O647.3[理学—物理化学;理学—化学]
  • 作者机构：[1]National Synchrotron Radiation Laboratory, School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230029, China, [2]Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China
  • 相关基金：The authors thank Dr. QI Dongchen from the National University of Singapore for helpful discussion. This work was supported by the National Natural Science Foundation of China （10975138, 10505019 and 10775126）
  • 相关项目：同步辐射共振发射-吸收方法研究有机半导体-金属界面电子传输动力学
作者： CAO Liang|WANG JiaOu|ZHANG WenHua|HAN YuYan|CHEN TieXin|ZHENG ZhiYuan|WAN Li|XU FaQiang|IBRAHIM Kurash|QIAN HaiJie|
关键词： PTCDA, NEXAFS, 分子取向, 表面, AU, 近边X射线吸收精细结构, 取向角, 多层膜, NEXAFS, perylene-3,4,9,10-tetracarboxylic acid dianhydride, organic electronics, molecular orientation
中文摘要：

multilayers 在 Au (111 ) 表面上吸附了的 perylene-3,4,9,10-tetracarboxylic 酸 dianhydride (PTCDA ) 的分子的取向用尖依赖 O 小锚近的边 X 光检查吸收被调查了好结构(NEXAFS ) 光谱学。重要反响的结构的重要尖依赖(* 并且 *) 表明 PTCDA 分子在底层表面上采用订的几何学。一般水准倾斜 PTCDA 分子的飞机的角度 27 是 ?????? ′？？

英文摘要：

The molecular orientation of perylene-3,4,9,10-tetracarboxylic acid dianhydride （PTCDA） multilayers adsorbed on Au （111） surface has been investigated using angular dependent O K-edge near edge X-ray absorption fine structure （NEXAFS） spectroscopy. The significant angular dependence of important resonant structures （π＊ and σ＊） reveals that PTCDA molecules adopt an ordered geometry on the substrate surface. The average tilt angle of the PTCDA molecular planes is 27°±10° from the Au （111） surface.

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