Ultrasensitive water-processed monolayer photodetectors
Liu, Song1; Wei, Zhongming2; Cao, Yang1; Gan, Lin1; Wang, Zhenxing1; Xu, Wei2; Guo, Xuefeng1; Zhu, Daoben2
Source PublicationCHEMICAL SCIENCE
AbstractSolution-processed photodetectors with high sensitivity over a broad spectral range are highly desirable for low-cost, large-area sensing applications in both industrial and scientific communities. In general, the detector sensitivities are limited by inefficient carrier dissociation and transport of materials and high contact Schottky barriers. Here we detail a combined method to make ultrasensitive water-processed photodetectors based on high-performance Langmuir-Blodgett (LB) monolayer transistors of semiconducting copper phthalocyanine (CuPc), using quasi one-dimensional (1D) ballistically-conductive single-walled carbon nanotubes (SWNTs) as point contacts. Operating at low biases, the monolayer photodetectors exhibit responsivities greater than 10(8) A W-1, detectivities greater than 7 x 10(15) Jones, and high reproducibility. These results form the basis for new types of high-performance photodetectors for a variety of possible sensor applications.
Indexed BySCI
WOS IDWOS:000288387600033
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Cited Times:43[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorGuo, Xuefeng
Affiliation1.Peking Univ, BNLMS, State Key Lab Struct Chem Unstable & Stable Speci, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Key Lab Organ Solids, BNLMS, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu, Song,Wei, Zhongming,Cao, Yang,et al. Ultrasensitive water-processed monolayer photodetectors[J]. CHEMICAL SCIENCE,2011,2(4):796-802.
APA Liu, Song.,Wei, Zhongming.,Cao, Yang.,Gan, Lin.,Wang, Zhenxing.,...&Zhu, Daoben.(2011).Ultrasensitive water-processed monolayer photodetectors.CHEMICAL SCIENCE,2(4),796-802.
MLA Liu, Song,et al."Ultrasensitive water-processed monolayer photodetectors".CHEMICAL SCIENCE 2.4(2011):796-802.
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