| Li Bo-yan,Zhang Yi,Liu Wei,Sun Yun.Influence of growth temperature and thickness on the orientation of Cu(In,Ga)Se2 film[J].Optoelectronics Letters,2012,8(5):348-351 |
| Influence of growth temperature and thickness on the orientation of Cu(In,Ga)Se2 film |
| Author Name | Affiliation | | Li Bo-yan | Tianjin Key Laboratory for Photoelectronic Thin Film Devices and Technology, Institute of Photoelectronic Thin Film
Devices and Technology, Nankai University, Tianjin 300071, China | | Zhang Yi | Tianjin Key Laboratory for Photoelectronic Thin Film Devices and Technology, Institute of Photoelectronic Thin Film
Devices and Technology, Nankai University, Tianjin 300071, China | | Liu Wei | Tianjin Key Laboratory for Photoelectronic Thin Film Devices and Technology, Institute of Photoelectronic Thin Film
Devices and Technology, Nankai University, Tianjin 300071, China | | Sun Yun | Tianjin Key Laboratory for Photoelectronic Thin Film Devices and Technology, Institute of Photoelectronic Thin Film
Devices and Technology, Nankai University, Tianjin 300071, China |
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| Abstract: |
| Cu(In,Ga)Se2 (CIGS) films are deposited on the Na-free glass substrate using three-stage co-evaporation process, and the effects of thickness
and growth temperature on the orientation of CIGS film are investigated by X-ray diffraction (XRD) and scanning electron microscopy
(SEM). When the growth of CIGS film does not experience the Cu-rich process, the increase of the growth temperature at the
second stage () promotes the (112) orientation of CIGS film, and weakens the (220) orientation. Nevertheless, when the growth of CIGS film
experiences Cu-rich process, the increase of significantly promotes the (220) orientation. In addition, with the thickness of CIGS film decreasing, the extent of (In,Ga)2Se3 (IGS) precursor orientation does not change except for the intensity of Bragg peak, yet the (220) orientation of following
CIGS film is hindered, which suggests that (112) plane preferentially grows at the initial growth of CIGS film. |
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| This work has been supported by the National Natural Science Foundation of China (Nos.60906033, 50902074, 90922037, 61076061), the Natural Science Foundation of Tianjin City (No.11JCYBJC01200), and the National “863” Key Project of China (No.2004AA513020). |
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