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Negative differential resistance behaviors in porphyrin molecular junctions modulated with side groups
Long, Meng-Qiu1; Chen, Ke-Qiu1; Wang, Lingling2; Qing, Wan1; Zou, B. S.1; Shuai, Z.2
2008-06-16
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Volume92Issue:24
AbstractBy applying nonequilibrium Green's functions in combination with the density-functional theory, we investigate the electronic transport properties of molecular junctions constructed by the porphyrin molecule with donor or acceptor side groups. The results show that the side groups play important role on the electron transport properties. Negative differential resistance (NDR) is observed in such devices. Especially for the molecule with electron-donating group (-NH2), two NDR appear at different bias voltage regions, and the origins for both NDR behavior are different. A mechanism is proposed for the NDR behavior. (c) 2008 American Institute of Physics.
DOI10.1063/1.2924364
Indexed BySCI
Language英语
WOS IDWOS:000256934900103
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:65[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65056
Collection中国科学院化学研究所
Corresponding AuthorChen, Ke-Qiu
Affiliation1.Hunan Univ, Dept Appl Phys, Changsha 410082, Hunan, Peoples R China
2.Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Long, Meng-Qiu,Chen, Ke-Qiu,Wang, Lingling,et al. Negative differential resistance behaviors in porphyrin molecular junctions modulated with side groups[J]. APPLIED PHYSICS LETTERS,2008,92(24).
APA Long, Meng-Qiu,Chen, Ke-Qiu,Wang, Lingling,Qing, Wan,Zou, B. S.,&Shuai, Z..(2008).Negative differential resistance behaviors in porphyrin molecular junctions modulated with side groups.APPLIED PHYSICS LETTERS,92(24).
MLA Long, Meng-Qiu,et al."Negative differential resistance behaviors in porphyrin molecular junctions modulated with side groups".APPLIED PHYSICS LETTERS 92.24(2008).
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