Adding Four Extra K-Regions to Hexa-peri-hexabenzocoronene

被引:48
作者
Dumslaff, Tim [1 ]
Yang, Bo [1 ]
Maghsoumi, Ali [2 ]
Velpula, Gangamallaiah [3 ]
Mali, Kunal S. [3 ]
Castiglioni, Chiara [3 ]
De Feyter, Steven [3 ]
Tommasini, Matteo [2 ]
Narita, Akimitsu [1 ]
Feng, Xinliang [4 ,5 ]
Muellen, Klaus [1 ]
机构
[1] Max Planck Inst Polymer Res, Ackermannweg 10, D-55128 Mainz, Germany
[2] Politecn Milan, Dipartimento Chim Mat & Ingn Chim G Natta, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy
[3] Univ Leuven, KU Leuven, Dept Chem, Div Mol Imaging & Photon, Celestijnenlaan 200 F, B-3001 Heverlee, Belgium
[4] Tech Univ Dresden, Ctr Adv Elect Dresden, D-01062 Dresden, Germany
[5] Tech Univ Dresden, Dept Chem & Food Chem, D-01062 Dresden, Germany
基金
欧洲研究理事会;
关键词
POLYCYCLIC AROMATIC-HYDROCARBONS; MOLECULES;
D O I
10.1021/jacs.6b01976
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A multistep synthesis of hexa-peri-hexabenzocoronene (HBC) with four additional K-regions was developed through a precursor based on two benzotetraphene units bridged with p-phenylene, featuring preinstalled zigzag moieties. Characterization by laser desorption/ionization time-of-flight mass spectrometry, Raman and IR spectroscopy, and scanning tunneling microscopy unambiguously validated the successful formation of this novel zigzag edge-rich HBC derivative. STM imaging of its monolayers revealed large-area, defect free adlayers. The optical properties of the modified HBC were investigated by UV/visible absorption spectroscopy.
引用
收藏
页码:4726 / 4729
页数:4
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