Coulomb-explosion imaging using a pixel-imaging mass-spectrometry camera
Coulomb-explosion imaging using a pixel-imaging mass-spectrometry camera
复制标题
使用像素成像质谱相机进行库仑爆炸成像
DOI：
10.1103/physreva.91.053424
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发表时间：
2015
影响因子：
2.9
通讯作者：
H. Stapelfeldt
中科院分区：
文献类型：
--
作者：
C.S. Slater;S. Blake;M. Brouard;A. Lauer;H. Stapelfeldt
利用飞秒激光诱导库仑爆炸成像技术，研究了3，5-二溴-二氟-氰基联苯分子在空间中的预取向.快速事件触发相机允许在每个采集周期中对由多个分子的碎片化产生的所有离子碎片的相关二维动量图像或协方差图进行并行检测。协方差图的详细模拟表明，它们提供了丰富的信息的母体分子结构和断裂动力学。未来的机会成像的实时动态的分子内过程被认为是。
Femtosecond laser-induced Coulomb-explosion imaging of 3,5-dibromo--difluoro--cyanobiphenyl molecules prealigned in space is explored using a pixel-imaging mass-spectrometry (PImMS) camera. The fast-event-triggered camera allows the concurrent detection of the correlated two-dimensional momentum images, or covariance maps, of all the ionic fragments resulting from fragmentation of multiple molecules in each acquisition cycle. Detailed simulation of the covariance maps reveals that they provide rich information about the parent molecular structure and fragmentation dynamics. Future opportunities for imaging the real-time dynamics of intramolecular processes are considered.