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中文摘要：
采用化学氧化法,合成一种聚（3-己基噻吩）,即P3 HT,将之与多壁碳纳米管（MWCNTs）有效复合,最后形成一种透明的电子给体——受体异质结型P3 HT-MWCNTs光敏性纳米复合薄膜.采用核磁共振、红外光谱、紫外-可见光谱和透射电镜等测试手段,对合成产物进行表征和分析.研究表明,己基的引入使得聚噻吩的溶解性能明显改善,同时通过对碳纳米管的表面修饰和改性,碳纳米管与P3 HT具有较好的相容性.紫外-可见光吸收光谱显示,P3 HT薄膜比其相应的溶液具有更高的电子共轭效应,随着氧化剂用量的提高,有助于提高其电子共轭效应.在一定范围内,随着MWCNTs含量的增加,P3 HT-MWCNTs光敏薄膜发生红移,提高了对太阳能的利用率.
英文摘要：
A new type of photosensitive hybrid films based on poly（3-hexylthiophene）（P3HT） and multiwall carbon nanotubes（MWCNTs）was effectively developed,with P3HT as electron donor and the MWCNTs as electron acceptor.The resulting P3HT were characterized and investigated by 1H NMR,FTIR,UV-Vis and TEM.The solubility of polythiophene materials was greatly improved with the introduction of hexyl group.And the MWCNTs were chemically modified to improve its compatibility with P3HT.The UV-Vis spectra show that the conjugate effect of P3HT film is relatively higher than its solution.The conjugate effect in the P3HT film increases as its amount of oxidants increasing.The results show that the red-shift phenomenon of P3HT-MWCNTs hybrid films occurs as its MWCNTs content increases,and the solar energy usage improves with the P3HT-MWCNTs hybrid films than pure P3HT film.
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