ICCAS OpenIR
Rectifying effect of heterojunctions between metals and doped conducting polymer nanostructure pellets
Long Yun-Ze1; Yin Zhi-Hua1; Hui Wen2; Chen Zhao-Jia3; Wan Mei-Xiang4
2008-07-01
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Volume17Issue:7Pages:2707-2711
AbstractThis paper reports that the Schottky junctions between low work function metals (e.g. Al and In) and doped semiconducting polymer pellets (e.g. polyaniline (PANI) microsphere pellet and polypyrrole (PPy) nanotube pellet) have been prepared and studied. Since Ag is a high work function metal which can make an ohmic contact with polymer, silver paste was used to fabricate the electrodes. The Al/PANI/Ag heterojunction shows an obvious rectifying effect as shown in I - V characteristic curves (rectifying ratio gamma = 5 at +/-6 V bias at room temperature). As compared to the Al/PANI/Ag, the heterojunction between In and PANI (In/PANI/Ag) exhibits a lower rectifying ratio gamma = 1.6 at +/-2 V bias at room temperature. In addition, rectifying effect was also observed in the heterojunctions Al/PPy/Ag (gamma = 3.2 at +/-1.6 V bias) and In/PPy/Ag (gamma = 1.2 at +/-3.0 V bias). The results were discussed in terms of thermoionic emission theory.
KeywordSchottky Junctions Rectifying Effect Conducting Polymer Nanostructures
Indexed BySCI
Language英语
WOS IDWOS:000257843000058
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65406
Collection中国科学院化学研究所
Corresponding AuthorLong Yun-Ze
Affiliation1.Qingdao Univ, Coll Phys Sci, Qingdao 266071, Peoples R China
2.Beijing Univ Technol, Beijing 100022, Peoples R China
3.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Long Yun-Ze,Yin Zhi-Hua,Hui Wen,et al. Rectifying effect of heterojunctions between metals and doped conducting polymer nanostructure pellets[J]. CHINESE PHYSICS B,2008,17(7):2707-2711.
APA Long Yun-Ze,Yin Zhi-Hua,Hui Wen,Chen Zhao-Jia,&Wan Mei-Xiang.(2008).Rectifying effect of heterojunctions between metals and doped conducting polymer nanostructure pellets.CHINESE PHYSICS B,17(7),2707-2711.
MLA Long Yun-Ze,et al."Rectifying effect of heterojunctions between metals and doped conducting polymer nanostructure pellets".CHINESE PHYSICS B 17.7(2008):2707-2711.
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