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Citation: Jiang Peng, Cheng Guang-Jun, Zhang Hao-Li, Cai Sheng-Min, Liu Zhong-Fan. Preparation of Atomically Flat Stripped- ld Substrate for Self-assembly[J]. Acta Physico-Chimica Sinica, ;1998, 14(07): 609-614. doi: 10.3866/PKU.WHXB19980707 shu

Preparation of Atomically Flat Stripped- ld Substrate for Self-assembly

1.
Center for Intelligent Materials Research(CIMR),College of Chemistry and Molecular Engineering,Peking University,Beijing 100871

Received Date: 13 November 1997
Available Online: 15 July 1998

A method for preparing of atomical flat ld substrate was reported. A series of ld substrates were prepared with the method from 25 C to 270 C and were characterized by using Scanning probe Microscope(SPM). The results show that the mean roughness values of these ld substrates are smaller than 0.4 nm for areas of 25 μm2. A higher resolution image made by using Scanning Tunneling Microscope (STM) shows a hexa nal pattern of high spots with nearest neighbor spacing of 0.30±0.04 nm, which is consistent with a Au-(111) lattice. Meanwhile, self-assembled monolayer film of 1,6-hexanedithiol on the ld has been characterized by electrochemical cyclic voltammetry and X-ray photoelectron spectra.
- Stripped- ld substrate,
- Scanning probe microscope,
- Self-assembly
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