Angular dependent NEXAFS study of the molecular orientation of PTCDA multilayers on Au (111) surface

被引：7

作者：

Cao Liang ^{[1
]}

Zhang WenHua ^{[1
]}

Han YuYan ^{[1
]}

Chen TieXin ^{[1
]}

Zheng ZhiYuan ^{[1
]}

Wan Li ^{[1
]}

Xu FaQiang ^{[1
]}

Ibrahim, Kurash ^{[2
]}

Qian HaiJie ^{[2
]}

Wang JiaOu ^{[2
]}

机构：

[1] Univ Sci & Technol China, Sch Nucl Sci & Technol, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China

[2] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Lab, Beijing 100039, Peoples R China

来源：

CHINESE SCIENCE BULLETIN | 2011年 / 56卷 / 33期

基金：

中国国家自然科学基金;

关键词：

NEXAFS; perylene-3,4,9,10-tetracarboxylic acid dianhydride; organic electronics; molecular orientation; AU(111); GROWTH; FILMS; STM;

D O I：

10.1007/s11434-011-4792-5

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

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 (pi* and sigma*) reveals that PTCDA molecules adopt an ordered geometry on the substrate surface. The average tilt angle of the PTCDA molecular planes is 27A degrees A +/- 10A degrees from the Au (111) surface.

引用

收藏

页码：3575 / 3577

页数：3

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