Depth profiling of SBS/PET layered materials using step-scan phase modulation Fourier transform infrared photoacoustic spectroscopy and two-dimensional correlation analysis

被引：2

作者：

Li BoBin ^{[1
]}

Zhang PuDun ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

来源：

SCIENCE CHINA-CHEMISTRY | 2010年 / 53卷 / 05期

关键词：

depth profiling; FTIR; photoacoustic; step-scan; two-dimensional correlation analysis; layered materials; PULPS; SOLIDS; MODEL;

D O I：

10.1007/s11426-010-0063-6

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper demonstrates the application of step-scan phase modulation Fourier transform infrared photoacoustic spectroscopy (FTIR-PAS) in non-destructively depth profiling of styrene-butadiene-styrene block copolymer/polyethylene terephthalate (SBS/PET) layered materials. The surface thicknesses of three layered samples were determined to be 1.2, 4.3 and 9.4 mu m by using phase difference analysis, overcoming the spatial detection limits of FTIR. Combined with generalized two-dimensional (G2D) FTIR correlation analysis, the spatial origins of peaks in the SBS/PET spectrum are identified with those having overlapping peaks between different layers are resolved.

引用

页码：1190 / 1194

页数：5

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