用广角X射线衍射(WAXD)，sem, DSC和TGA方法研究了聚苯胺的晶性问题，结果表明，不同条件下所得聚苯胺其本征型的结晶行为差别较大。

WAXD, SEM, DSC and TGA were used to investigate the crystallinity of polyaniline (PAn). The results show that the crystallization behaviours of undoped PAn depend on its polymerization conditions.

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通过聚苯胺改进锐钛矿型二氧化钛的光催化性能具有重要的学术意义和实用前景，目前受到广泛关注。

More attention has been paid to polyaniline(PANI) improving anatase TiO2 photocatalysis activity because of its important significance and practically applied foreground.

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