CAS Key Laboratory of Standardization and Measurement for Nanotechnology;
CAS Center for Excellence in Nanoscience;
National Center for Nanoscience and Technology(NCNST);
Beijing 100190;
China;
Department of Chemistry;
School of Science;
Beijing Jiaotong University;
Beijing 100044;
China;
Center of Materials Science and Optoelectonics Engineering;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
Scanning probemicroscopy(STM); Selective adsorption; Host-guest chemistry; Supramolecular chemistry; Aromatic carboxylic acid;