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稀土元素在光催化劑中的應(yīng)用及作用機理
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O643.36

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國家自然科學(xué)基金資助(50274045)


Application of Rare Earth Elements in Photocatalysts and the Mechanism of Action
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    摘要:

    稀土元素具有豐富的能級,特殊的4f電子躍遷特性和光學(xué)性質(zhì),不僅能夠以離子摻雜或半導(dǎo)體復(fù)合的形式有效提升傳統(tǒng)TiO2光催化劑的性能,而且可以構(gòu)造出多種新型的光催化劑體系。本文在歸納近年來相關(guān)文獻的基礎(chǔ)上,綜述了稀土元素在光催化劑中的應(yīng)用概況及研究進展,從稀土改性TiO2基光催化劑和含稀土非TiO2基新型光催化劑兩方面,探討了稀土元素在光催化劑體系中所起的作用及其機理,并對含稀土光催化劑的設(shè)計思想、研究重點、目前效果及不足之處進行了總結(jié)和評述。

    Abstract:

    Possessing multiple energy levels, unique 4f electron transition ability and optical properties, rare earth elements can improve efficiently the activity of TiO2 photocatalysts by doping or preparing compound semiconductors. Furthermore, novel photocatalysts have been secured with RE elements. Based on relative documents, the application of rare earth elements in photocatalysts is reviewed in this paper, including RE modified TiO2 photocatalysts and non-TiO2 photocatalysts. The roles of RE elements and its mechanism, as well as the focus and outlook of the research of RE-containing photocatalysts were deeply discussed.

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陳崧哲,徐盛明,徐剛,李林艷.稀土元素在光催化劑中的應(yīng)用及作用機理[J].稀有金屬材料與工程,2006,35(4):505~509.[Chen Songzhe, Xu Shengming, Xu Gang, Li Linyan. Application of Rare Earth Elements in Photocatalysts and the Mechanism of Action[J]. Rare Metal Materials and Engineering,2006,35(4):505~509.]
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  • 最后修改日期:2005-01-17
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