ICCAS OpenIR
Rectifying behaviors of Langmuir-Blodgett films of an asymmetrically substituted phthalocyanine
Zhou, SQ; Liu, YQ; Xu, Y; Hu, WP; Zhu, DB; Qui, XH; Wang, C; Bai, CL
1998-11-20
Source PublicationCHEMICAL PHYSICS LETTERS
ISSN0009-2614
Volume297Issue:1-2Pages:77-82
AbstractA multilayer Langmuir-Blodgett (LB) film of an asymmetrically substituted phthalocyanine derivative (NtBuPc), deposited onto a HOPG substrate, was studied by scanning tunneling microscopy using a Pt/Ir nanotip in air at 23 degrees C. The asymmetrical I-V curves for 3- and 7-layer LB films of NtBuPc reveal a rectifying behavior for a negative and a positive bias. This suggests that NtBuPc molecules cause the rectification and not the Schottky barrier formed at the electrode-LB interface. The rectification mechanism can be explained by a modification of the Aviram-Ratner model. The electron transfer between bilayers might be interpreted as a quantum well effect through interlayer tunneling. Such quantum tunneling between layers would accelerate charge transport between bilayers, and thus rectification of 7-layer films is better than that of three layers. (C) 1998 Elsevier Science B.V. All rights reserved.
Indexed BySCI
Language英语
WOS IDWOS:000077107600012
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74650
Collection中国科学院化学研究所
Corresponding AuthorZhou, SQ
Affiliation1.Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Inst Chem, STM Lab, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhou, SQ,Liu, YQ,Xu, Y,et al. Rectifying behaviors of Langmuir-Blodgett films of an asymmetrically substituted phthalocyanine[J]. CHEMICAL PHYSICS LETTERS,1998,297(1-2):77-82.
APA Zhou, SQ.,Liu, YQ.,Xu, Y.,Hu, WP.,Zhu, DB.,...&Bai, CL.(1998).Rectifying behaviors of Langmuir-Blodgett films of an asymmetrically substituted phthalocyanine.CHEMICAL PHYSICS LETTERS,297(1-2),77-82.
MLA Zhou, SQ,et al."Rectifying behaviors of Langmuir-Blodgett films of an asymmetrically substituted phthalocyanine".CHEMICAL PHYSICS LETTERS 297.1-2(1998):77-82.
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