| Twin—layer films of copper phthalocyanine and amorphous titanyl or vanadyl phthalocyanine |
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| 引用本文： | 沈电洪,沈铁汉,长泽忠,村上健司.Twin—layer films of copper phthalocyanine and amorphous titanyl or vanadyl phthalocyanine[J].中国物理 B,2002,11(4):393-398. |
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| 作者姓名： | 沈电洪 沈铁汉 长泽忠 村上健司 |
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| 作者单位： | State Key Laboratory for Surface Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;Joule Physics Laboratory, Institute for Materials Research, University of Salford, Maxwell Building, Salford, Greater Manchester M5 4WT, UK;Research Institute of Electronics, Shizuoka University, 3-5-1 Johoku, Hamamatsu 432-8001, Japan;Research Institute of Electronics, Shizuoka University, 3-5-1 Johoku, Hamamatsu 432-8001, Japan |
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| 摘 要： | Metallophthalocyanine (MPc) twin-layer thin films on glass substrates, consisting of copper phthalocyanine (CuPc) overlayer and amorphous vanadyl phthalocyanine (VOPc) as well as titanyl phthalocyanine (TiOPc) buffers, were found to have different gas sensing characteristics. These twin-layer thin films were studied using x-ray photoemission spectroscopy. Photoelectrons of either V or Ti core levels were found to be present at the surface, indicating the existence of possible molecular migrations. The stability of the twin-layers under thermal annealing up to a maximum temperature of 250℃ and low-energy Ar ion bombardment was also examined and compared with that of CuPc directly grown on the substrates. We concluded that the twin-layer structures were thermally fairly stable. Ar ion bombardment, however, caused substantial damage to the Pc ligands and a reduction of the valence state of the central Cu atoms.
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| 关 键 词： | 铜酞菁孪晶 Ar^＋轰击 X射线谱 薄膜 |
Twin-layer films of copper phthalocyanine and amorphous titanyl or vanadyl phthalocyanine |
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| Shen Dian-Hong,Shen Tie-Han,T. Nagasawa and K. Murakami.Twin-layer films of copper phthalocyanine and amorphous titanyl or vanadyl phthalocyanine[J].Chinese Physics B,2002,11(4):393-398. |
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| Authors: | Shen Dian-Hong Shen Tie-Han T Nagasawa and K Murakami |
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| Abstract: | |
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| Keywords: | phthalocyanine x-ray photoemission spectra annealing Ar+ bombardment |
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