XRD Investigation of Self-Assembly and LB Films of Substituted Phthalocyanine and Porphyrin

LEI Sheng-Bin; WANG Jun; DONG Yu-Hui; XU Sai-Long; XU Shan-Dong; ZENG Qing-Dao; WANG Chen; BAI Chun-Li

Chinese Physics C> 2001, Vol. 25> Issue(S1) : 85-89

XRD Investigation of Self-Assembly and LB Films of Substituted Phthalocyanine and Porphyrin

Institute of Chemistry,CAS,Beijing 100080,China2 Institute of High Energy Physics,CAS,Beijing 100039,China

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Abstract：
Using X-ray diffraction and scanning tunneling microscopy (STM),the structure self assembly and langmuir-blodgett membrane of substituted phthalocyanine and porphyrin were investigated.It is demonstrated that these molecules adsorb with its molecular plane parallel to the substrate surface on graphite,but perpendicular to the surface of Si(111) and glass.These results indicate these molecules can form organic thin films with different structure on substrate which have different polarity.

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LEI Sheng-Bin, WANG Jun, DONG Yu-Hui, XU Sai-Long, XU Shan-Dong, ZENG Qing-Dao, WANG Chen and BAI Chun-Li. XRD Investigation of Self-Assembly and LB Films of Substituted Phthalocyanine and Porphyrin[J]. Chinese Physics C, 2001, 25(S1): 85-89.

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Received: 1900-01-01
Revised: 1900-01-01

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