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一篇关于Graphene和 半导体 的综述发表在Chem. Soc. Rev. 上的文章
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| 一篇关于Graphene 和 semiconductor 的综述文章：: Graphene-based semiconductor photocatalysts，与大家分享！[ 来自科研家族 小木虫监督委员会 ] |
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The conclusion will be helpful Graphene-based semiconductor photocatalysts have attracted extensive attention for their potential in environmental and energy-related applications. Although considerable progress has been achieved, the studies in this field are at the primary stage and further developments are required. First, as an essential component of the composites, the synthesis of graphene is not yet matured and the quality-control issues need to be addressed. New synthesis methods have to be developed for preparing high-quality graphene or graphene oxide sheets with high purity, tunable sizes of layers, compositions and defects. Second, the performance of graphene-based semiconductor composites is limited by the quantity of these composites and their microstructures. Therefore, a more careful design of the functional composites is required to obtain higher quality, more uniform morphology on the nanoscale and better photocatalytic properties. Third, the rapid development of material science and technique in the past few years has resulted in the creation of various advanced photocatalytic materials. Interesting properties may be explored by combining these novel photocatalysts with graphene or graphene oxide sheets. Finally, the mechanisms of photocatalytic enhancement by the graphene-based semiconductor composite systems are partly unclear. For example, whether the photocatalytic activity of TiO2–graphene composites is truly different from other TiO2–C (activated carbon, fullerenes, or carbon nanotubes) composite materials. Furthermore, the explanation of photocatalytic activity by the graphene content in the composites is still controversial. Therefore, more studies are needed to improve the general understanding of the enhancement mechanism of photocatalysts by graphene. Nevertheless, graphene-based semiconductor composite photocatalysts are expected to be developed as robust materials to address various environmental and energy-related issues. |
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liyuanZ5楼
2011-09-09 18:18
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五星好评 顶一下，感谢分享！
2011-09-09 20:10
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2011-09-09 20:49
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2011-09-10 16:03
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2011-09-10 17:25
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2011-09-10 19:10
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2011-09-10 19:48
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2011-09-10 21:26
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