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TiO_2(110)面的弛豫结构及吸附O_2的密度泛函研究 被引量:4

Density Functional Study on the Relaxation Structures and O_2 Adsorption of TiO_2(110) Surfaces
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摘要 采用DFT/B3LYP方法研究了TiO2 ( 110 )的完整和氧缺陷表面的弛豫构型 ,并对O2 在氧缺陷表面的三种可能吸附构型进行了优化 ,计算了它们的吸附能、振动频率和重叠布居 .分析并预测了吸附后可能产生的物种 .本文的计算结果与XPS 。 The relaxation configurations of perfect and defect surface of TiO 2(110)were studied by DFT/B3LYP method. Three structures that O 2 adsorbed on TiO 2(110) defect surface were optimized. Their adsorption energies, overlap populations and vibration frequences were calculated. The species induced after O 2 adsorption were presumed. The results are in good agreement with the experiments.
出处 《化学学报》 SCIE CAS CSCD 北大核心 2003年第5期705-710,共6页 Acta Chimica Sinica
基金 国家自然科学基金 (No .2 0 2 730 1 3) 福州大学科技发展基金 (2 0 0 2 XY 0 5)
关键词 TI02 (110)面 弛豫结构 吸附 O2 密度泛函 缺陷表面 光催化剂活性 二氧化钛 氧气 relaxation, TiO 2(110) surface, defect, density function, O 2 adsorption
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参考文献31

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同被引文献41

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