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
用于扫描探针显微镜研究的原子级平整金基底的制备
报导了一种用于扫描探针显微镜（SPM）研究的原子级平整金基底的制备方法．采用这种方法，得到了25μm2范围内，膜的平均粗糙度小平0.4nm的原子级平整基底，并且得到金以（111）面取向在云母表面沉积的实验证据，同时使用电化学循环伏安法和X光电子能谱对这种膜的自组装性能进行了考察．
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关键词:
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扫描探针显微镜(SPM)
- / 金基底
- / 自组装
English
Preparation of Atomically Flat Stripped- ld Substrate for Self-assembly
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.
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Key words:
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Stripped- ld substrate
- / Scanning probe microscope
- / Self-assembly
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