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wolfmanhd

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Yijie_zhou

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¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ...
Mally89(½ð±Ò+1): ¸ÐлӦÖú£¡~»¶Ó­³£À´£¡~ 2012-03-08 06:29:56
Mally89(½ð±Ò+30): 2012-03-12 07:34:15
Mally89(½ð±Ò+30): 2012-03-12 07:34:21
Mally89(½ð±Ò+30): 2012-03-12 07:34:28
Mally89(½ð±Ò+10): ´úlz·¢·ÅBB£¡~¸ÐлӦÖú£¡~»¶Ó­³£À´£¡~ 2012-03-12 07:34:44
It is hard for one-dimensional nanoarrays to improve their photoelectric conversion efficiency in the field of DSSC duo to their low specific surface area. Our earlier work aimed at preparing multi-layer ZnO nanorods arrays with wet chemical method(WCM). The project will further investigate synthetic conditions of  multi-layer ZnO nanorods arrays, finding out the growth mechanism of ZnO nanorods arrays for preparing multilayers arrays which are well-controlled in the numbers of layers, the height of the layer, the dense of the nanorods and the growth orienatation in large scale. Multilayers structure are superior to single-layer structure in specific surface area. Coating with TiO2 can stabilize ZnO arrays and improve the separation efficiency of photoinduced electron-hole couple for preparing high efficient DSSC photo cation materials. The Core-shell interface and internal charge transfer and separation mechanism are investigated through surface photovoltage spectroscopy and AC impedance spectroscopy.Finally, ultra long TiO2 nanotube arrays are prepared with the ZnO template. It is of vital importance to research the new ZnO multilayers nanorods arrays and composite structure and prepare other new multilayers structure materials and design high efficient DSSC.
2Â¥2012-03-02 15:25:52
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