学科分类
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1 个结果
  • 简介:Basedontheexperimentalresultsofabnormalinfraredeffects(AIREs)formoleculesadsorbedontransition-metalnanostructuredsurfaces,theinteractionsandthepolarizabilityoftheadsorbedmoleculesareanalyzedtheoretically.Bynumericalsimulations,thenormalabsorptionspectrum,theFano-likebipolarspectrumandtheanti-absorptionspectrumoftheadsorbedCOmoleculesareobtainedrespectively.Theresultsshowthattheadsorbedmoleculesonametalnanostructuredsurfacecanaccumulatetogetherduestotheeffectoflocalexternalelectricfield,whichleadstoachangeinimaginarypartofthemolecularpolarizabilitywithinacertainrangeoffrequency,andevenanegativevaluemayappear.

  • 标签: 分子纳米结构 异常红外效应 分子极化率 分子吸附 红外光谱 金属表面