期刊
INTERNATIONAL SYMPOSIUM ON PHOTONICS AND OPTOELECTRONICS 2015
卷 9656, 期 -, 页码 -出版社
SPIE-INT SOC OPTICAL ENGINEERING
DOI: 10.1117/12.2205157
关键词
Polyethylene terephthalate; acid and alkaline treatment; Raman spectra; Atomic Force Microscopy
Raman spectrometry was employed to study the characteristics of Raman spectra of polyethylene terephthalate (PET), which were treated with sodium hydroxide, sulfuric acid and copper sulfate, respectively. Raman spectra under different conditions were obtained and the characteristics of the Raman spectra were analyzed. The morphology structures were observed under different conditions using Atomic Force Microscope. The results show that the spectral intensity of PET treated with sodium hydroxide is higher than that untreated between 200-1750 cm(-1), while the intensity of PET treated with sodium hydroxide is lower than that untreated beyond 1750 cm(-1) and the fluorescence background of Raman spectra is decreased. The spectral intensity of PET treated with sulfuric acid is remarkably reduced than that untreated, and the intensity of PET treated with copper sulphate is much higher than that untreated.
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