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taozhikai

金虫 (著名写手)


[资源] nature materials 最新: TiO2用于光解水制氢

A leading approach for large-scale electrochemical energy production with minimal global-warming gas emission is to use a
renewable source of electricity, such as solar energy, to oxidize water, providing the abundant source of electrons needed in
fuel synthesis.We report corrosion-resistant, nanocomposite anodes for the oxidation of water required to produce renewable
fuels. Silicon, an earth-abundant element and an efficient photovoltaic material, is protected by atomic layer deposition (ALD)
of a highly uniform, 2nm thick layer of titanium dioxide (TiO2) and then coated with an optically transmitting layer of a known
catalyst (3nm iridium). Photoelectrochemical water oxidation was observed to occur below the reversible potential whereas
dark electrochemicalwater oxidationwas found to have low-to-moderate overpotentials at all pH values, resulting in an inferred
photovoltage of550 mV.Water oxidation is sustained at these anodes for many hours in harsh pH and oxidative environments
whereas comparable silicon anodes without the TiO2 coating quickly fail. The desirable electrochemical efficiency and corrosion
resistance of these anodes is made possible by the low electron-tunnelling resistance (<0:006cm2 for pC-Si) and uniform
thickness of atomic-layer deposited TiO2.
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先进材料 半导体光催化与纳米TiO2 光催化 材料 organic solar cell
DSSC(偏重以TiO2为光阳极资料的收集) 宇宙超级无敌霹雳囧死人不偿命纳米技术 功能材料——能源材料方向 数据处理
TiO2 文献收录与学术探讨 思想波一波 物理材料类
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shuzhongle

银虫 (小有名气)


帖子真精彩!
已经收录到淘贴专辑《TiO2
17楼2011-08-30 16:09:42
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happyacd

银虫 (初入文坛)


★★★ 三星级,支持鼓励

有木有大虾,翻译成中文呀,这样看很费劲的
11楼2011-07-08 16:03:10
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简单回复
zhoujun652楼
2011-06-24 02:44   回复  
五星好评  顶一下,感谢分享!
dgf20083楼
2011-06-24 17:30   回复  
五星好评  顶一下,感谢分享!
suxlei5楼
2011-07-02 21:36   回复  
五星好评  顶一下,感谢分享!
ronghappy6楼
2011-07-04 09:34   回复  
五星好评  顶一下,感谢分享!
2011-07-05 21:43   回复  
五星好评  顶一下,感谢分享!
2011-07-06 19:27   回复  
五星好评  顶一下,感谢分享!
2011-07-07 09:40   回复  
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caoge12楼
2011-07-12 10:25   回复  
五星好评  顶一下,感谢分享!
pinghome13楼
2011-07-12 14:48   回复  
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ok1984121014楼
2011-07-12 15:21   回复  
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