Self-assembly of thiophene derivatives on highly oriented pyrolytic graphite: hydrogen bond effect.

[Xu, Li-Ping; Liu, Yibiao; Zhao, Jing; Wang, Shuqi; Wen, Yongqiang; Du, Hongwu; Zhang, Xueji] Univ Sci & Technol Beijing, Res Ctr Bioengn & Sensing Technol, Beijing 100083, Peoples R China. [Lin, Chen-Sheng; Zhang, Rui-Qin] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China.