X-ray photoelectron spectroscopy analysis of high oriented pyrolytic graphite surface structural changes induced by Ar ion bombardment

作者：Liu Li ming; Yang Pei zhi^*; Huang Zong tan

来源：New Carbon Materials, 2007, 22(4): 379-382.

• surface analysis
• Ar ion bombardment
• high oriented pyrolytic graphite
• X-ray photoelectron spectroscopy

Surface structure changes of high oriented pyrolytic graphite induced by 3.0 keV Ar ion bombardment were studied using X-ray photoelectron spectroscopy (XPS). The spectra, including C-1s, X-ray-excited Auger electron spectroscopy and XPS valence band spectroscopy were analyzed qualitatively and quantitatively. Results show that the conjugated Tr bond can be destroyed and local sp(2) hybridized carbon can be developed into sp(3) hybridized carbon by Ar ion bombardment. The ratio of sp(3) to sp(2) depends on the bombardment time.

• 出版日期2007-12
• 单位昆明物理研究所