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lxg133298

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[交流] 07 July 2013-[Nature Materials]- Band alignment of rutile and anatase TiO2已有6人参与

The most widely used oxide for photocatalytic applications owing to its low cost and high activity is TiO2. The discovery of the photolysis of water on the surface of TiO2 in 19721 launched four decades of intensive research into the underlying chemical and physical processes involved2, 3, 4, 5. Despite much collected evidence, a thoroughly convincing explanation of why mixed-phase samples of anatase and rutile outperform the individual polymorphs has remained elusive6. One long-standing controversy is the energetic alignment of the band edges of the rutile and anatase polymorphs of TiO2 (ref. 7). We demonstrate, through a combination of state-of-the-art materials simulation techniques and X-ray photoemission experiments, that a type-II, staggered, band alignment of ~ 0.4 eV exists between anatase and rutile with anatase possessing the higher electron affinity, or work function. Our results help to explain the robust separation of photoexcited charge carriers between the two phases and highlight a route to improved photocatalysts.07 July 2013-[Nature Materials]- Band alignment of rutile and anatase TiO2
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07 July 2013-[Nature Materials]- Band alignment of rutile and anatase TiO2-1
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07 July 2013-[Nature Materials]- Band alignment of rutile and anatase TiO2-2
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[ Last edited by pzypdl on 2013-7-13 at 11:19 ]
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  • 附件 1 : nmat3697Band_alignment_of_rutile_and_anatase_TiO2.pdf
  • 2013-07-13 09:10:48, 516.19 K
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求知者001

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引用回帖:
6楼: Originally posted by lxg133298 at 2013-07-13 12:15:18

是啊是啊
...

好可爱啊,在小洁英明的领导下,小刚童鞋越来越可爱了
人生最曼妙的风景,是内心的淡定与从容。
7楼2013-07-13 12:16:37
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0.8

顶一下,感谢分享!
3楼2013-07-13 11:00:20
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duanfsonne

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很好的资源,非常感谢分享!
回首向来萧瑟处归去也无风雨也无晴
4楼2013-07-13 11:46:45
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求知者001

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小刚换头像了啊~
人生最曼妙的风景,是内心的淡定与从容。
5楼2013-07-13 11:48:44
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