The inorganic-organic hybrid junction with n-ZnO nanorods/p-polyfluorene structure grown with low-temperature aqueous chemical growth method

Wei Wu; Jiming Bian; Yinglan Sun; Chuanhui Cheng; Jingchang Sun; Hongwei Liang; Yingmin Luo; Guotong Du

doi:10.1007/s11595-012-0456-9

Journal of Wuhan University of Technology Materials Science Edition ›› 2012, Vol. 27 ›› Issue (2) : 296 -300. DOI: 10.1007/s11595-012-0456-9

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The inorganic-organic hybrid junction with n-ZnO nanorods/p-polyfluorene structure grown with low-temperature aqueous chemical growth method

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Abstract

The inorganic-organic hybrid junction was synthesized on ITO glass substrate, which was consisted of an n-type ZnO nanorods (NRs) grown by low-temperature aqueous chemical growth method and a p-type polyfluorene (PF) organic film fabricated by spin-coating. The experimental results indicate that densely and uniformly distributed ZnO nanorods are successfully grown on the PF layer. The thickness of the PF layer plays a dominant role for the current-voltage (I–V) characteristic of the ZnO NRs/PF inorganic-organic hybrid junction device, and a p-n junction with obviously rectifying behavior is achieved with optimal PF layer thickness. The photoluminescence (PL) spectrum covering the broad visible range was obtained from the n-ZnO nanorods/p-polyfluorene (PF) structure, which was originated from the combination of the PF-related blue emission and the ZnO-related deep level emission.

Keywords

ZnO nanorods / polyfluorene / inorganic-organic hybrid junction / photoluminescence

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Wei Wu, Jiming Bian, Yinglan Sun, Chuanhui Cheng, Jingchang Sun, Hongwei Liang, Yingmin Luo, Guotong Du. The inorganic-organic hybrid junction with n-ZnO nanorods/p-polyfluorene structure grown with low-temperature aqueous chemical growth method. Journal of Wuhan University of Technology Materials Science Edition, 2012, 27(2): 296-300 DOI:10.1007/s11595-012-0456-9

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