8,10-二炔廿五碳酸LB膜的周期结构  

PERIODIC STRUCTURE OF PENTACOSDIYNE-8,10 ACID-1 LB FILM

作　　者：何平笙[1] 陈昕[1] 田清平[1] 汪永忠[1] 李春娥[1] 陈世华[2] 

机构地区：[1]中国科学技术大学材料科学与工程系 [2]安徽大学化学系

出　　处：《高分子学报》1990年第1期87-92,共6页Acta Polymerica Sinica

基　　金：国家自然科学基金资助的课题;中国科学技术大学结构成分中心开放实验室部分资助

摘　　要：合成了8,10-二炔廿五碳酸,在玻璃片、石英片和镀金片上沉积了它的LB膜,X-射线衍射研究了LB膜的周期结构和聚合对它的影响。在2θ=1°—15°范围内观察到了多达7个布拉格衍射峰。由此计算了等同周期和分子在基片上的倾斜角。用分子模型计算了衍射峰强度,得到了与实验结果相符合的衍射峰强度奇偶起伏现象。Pentacosdiyne-8,10 acid-1 has been synthesized and deposited by LB techniques onto glass, quartz and gold-covered glass slides. X-ray diffraction has been used to investigate the periodic structure of the film and effect of polymerization on the structure. Seven Bragg peaks were observed in the 26 angle range of1°-15′. From this point, the spacings of the LB film and the angle of molecular orientation on the substrate were calculated. A model was employed to calculate the diffraction intensity which was in good agreement with the experimental phenomenon of even-odd intensity oscillation.

关 键 词：二炔廿五碳酸 LB膜 周期结构 

分 类 号：TN44[电子电信—微电子学与固体电子学]