Organic Phototransistor Based on Surface Plasmon Resonance Effect
Zhang Chanchan1,2; Zhang Fanghui1; Ding Lei1; Ni Zhenjie3; Jiang Lang3; Dong Huanli3; Zhang Xiaotao2; Li Rongjin2; Hu Wenping2
AbstractPhotoresponsive organic field. effect transistors (PhotOFET) require materials with high mobility, high absorbance and high exciton dissociation efficiency. Although great efforts have been made to realize high performance PhotOFET using various organic small molecules and polymeric semiconductors, both the responsivity and mobility were still low based on pristine materials. In this work, gold nanoparticles(Au NPs) were incorporated into the semiconductor layer of OFET. Owing to the surface plasmon effect of the Au NPs, the absorbance of the semiconductor could be greatly increased and high. performance PhotOFET were realized. Au NPs were prepared in situ on the substrates and used to fabricate PhotOFET directly. By utilizing the surface plasmon resonance effect of the Au NPs, high performance PhotOFET with a mobility of 0.12 cm(2) . V-1 . s(-1) and a responsivity of 11.6 A/W was obtained based on the materials without photoresponse in the visible spectrum. The surface chemical modification of gold nanoparticles with alkane thiol played a key role in improving the device performance. The device structure proposed here, i.e. the incorporation of Au NPs into the semiconductor layer of OFETs, provided an effective method for the construction of high performance PhotOFET based on common organic semiconductors.
KeywordGold Nanoparticles Surface Plasma Resonance Organic Phototransistor Photoresponse
Indexed BySCI
WOS IDWOS:000424914600014
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Document Type期刊论文
Corresponding AuthorZhang Fanghui; Ding Lei
Affiliation1.Shaanxi Univ Sci & Technol, Shaanxi Prov Flat Panel Display Technol Engn Res, Coll Elect & Informat Engn, Xian 710021, Shaanxi, Peoples R China
2.Tianjin Univ, Sch Sci, Dept Chem, Tianjin Key Lab Mol Optoelect Sci, Tianjin 300072, Peoples R China
3.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Key Lab Organ Solids, Beijing 100190, Peoples R China
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GB/T 7714
Zhang Chanchan,Zhang Fanghui,Ding Lei,et al. Organic Phototransistor Based on Surface Plasmon Resonance Effect[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2018,39(1):102-108.
APA Zhang Chanchan.,Zhang Fanghui.,Ding Lei.,Ni Zhenjie.,Jiang Lang.,...&Hu Wenping.(2018).Organic Phototransistor Based on Surface Plasmon Resonance Effect.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,39(1),102-108.
MLA Zhang Chanchan,et al."Organic Phototransistor Based on Surface Plasmon Resonance Effect".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 39.1(2018):102-108.
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