CS2+经由(B)2Σ+u←(X)2Πg,3/2跃迁的[1+1]光倒空和光碎片激发谱

来源 :化学物理学报 | 被引量 : 0次 | 上传用户：darfehost

【摘要】

：

用483.2 nm的电离激光使CS2分子经由[3+1] REMPI制备出CS2+ ((X)2Πg,3/2)后,在270～285 nm扫描解离激光获得了CS2+经由(B)2Σ+u←(X)2Πg,3/2跃迁的光倒空和光碎片激发谱,由此

【出处】

：

化学物理学报

【发表日期】

：

2004年期

【关键词】

：

CS2+ 光倒空光碎片激发谱 CS2+ Photo-depletion Photo-fragment excitation spectrum

【基金项目】

：

国家重点基础研究发展计划(973计划);国家自然科学基金

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用483.2 nm的电离激光使CS2分子经由[3+1] REMPI制备出CS2+ ((X)2Πg,3/2)后,在270～285 nm扫描解离激光获得了CS2+经由(B)2Σ+u←(X)2Πg,3/2跃迁的光倒空和光碎片激发谱,由此给出了CS2+(B)2Σ+u电子态的振动频率ν1=613 cm-1和2ν2=707 cm-1.分析表明,正是CS2+的[1+1]双光子光激发解离过程导致了母体离子CS2+的光倒空和光解离成碎片离子CS+和S+,该过程中光碎片离子的分支比CS+/S+大约为3.

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CS2+经由(B)2Σ+u←(X)2Πg,3/2跃迁的[1+1]光倒空和光碎片激发谱

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