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壁虎325金虫 (正式写手)
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[求助]
氧化锌纳米棒制备 已有2人参与
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问一个问题，文献中说使用基板晶种生长法制备氧化锌纳米棒的时候，在基板浸入生长液90℃生长的时候要求基板悬浮在生长液中，这怎么水平悬浮啊 用什么方法能使基板悬浮呢 |
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qingdacuihua
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例如Synthesis of ZnO NW films. A typical procedure for synthesizing the ZnO NW films is carried out as in the literature [29]. Firstly, a seed layer was deposited on the conductive F-doped SnO2 (FTO) glass by sol–gel method using the zinc acetate dihydrate (Zn(Ac)2·2H2O, 0.5 mol L−1) as the precursor and then the substrates coated with ZnO seed layer were calcined at 500 ◦C for 1 h. The precursor aqueous solution for the growth of ZnO NW was prepared in advance by mixing the hexamethylenetetramine (HMT, 0.025 mol L−1) and Zn(Ac)2·2H2O (0.025 mol L−1) in deionized water, and stirring for 20 min at 0 ◦C. Then the FTO substrates with ZnO seed layer were immersed into this solution immediately and sealed in a flask in an oven at 95 ◦C for 7 h. Then the films were rinsed in deionized water thoroughly and subsequently heated at 500 ◦C for 1 h. The film obtained in this step was marked as ZNW。Journal of Photochemistry and Photobiology A: Chemistry 219 (2011) 132–138。第一步就是晶种 |
12楼2015-12-10 17:56:29
弦断无人听
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2楼2013-12-08 20:29:39
壁虎325
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3楼2013-12-08 21:24:52
qingdacuihua
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4楼2013-12-11 19:00:48
