期刊
JOURNAL OF WOOD SCIENCE
卷 49, 期 3, 页码 235-240出版社
SPRINGER-VERLAG TOKYO
DOI: 10.1007/s10086-002-0462-1
关键词
Raman spectroscopy; Japanese cedar; bark; pyrolysis; heat-treatment temperature
Raman spectra were measured for Japanese cedar wood and bark pyrolyzed in a nitrogen atmosphere at various temperatures (200degrees-1100degreesC). Two characteristic bands. near 1340 and 1590cm(-1). denoted as the D-band and G-band due to graphitic carbon. respectively, appeared on all the spectra: and the spectral features changed markedly with increasing heat-treatment temperature (HTT). The Raman parameters (band position, band width, D/G ratio) of the bands were deconvolved using of a curve-fitting method. There was no significant difference in the values of the parameters between the wood and bark. The D-band position and the G-band width showed a marked HTT dependence in the region of 400degrees-800degreesC. We described the correlations of the Raman parameters with HTT and investigated the availability of Raman spectroscopy as a means for evaluating HTT.
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