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首页> 外文期刊>Journal of mass spectrometry: JMS >Study by ESI-FTICRMS and ESI-FTICRMSn of zinc and cadmium thiophenolate complexes used as precursors for the synthesis of II-VI nanosemiconductors
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Study by ESI-FTICRMS and ESI-FTICRMSn of zinc and cadmium thiophenolate complexes used as precursors for the synthesis of II-VI nanosemiconductors

机译：通过ESI-FTICRMS和ESI-FTICRMSn研究用作合成II-VI纳米半导体前体的硫酚锌锌和镉复合物

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[M-4(SC6H5)(10)][(CH3)N](2), [M10L4(SC6H5)(16)][(CH3)N](4) and [Cd17S4(SC6H5)(28)][(CH3)N](2)(M = Cd or Zn, and L = S or Se) zinc and cadmium thiophenolates have been studied by electrospray ionization (ESI) Fourier transform ion cyclotron resonance (FTICR) mass spectrometry (ESI-FTICRMS) and tandem ESI-FTICRMS (ESI-FTICRMSn). ESI-FTICRMS demonstrated its ability to characterize and study such compounds, which may be used as precursors of II-VI nanomaterials. The obtained mass spectrum has been found to be highly relevant of the investigated thiophenolate and the fragmentation behavior of some of the detected ions is indicative of its stability. More specifically, it has been demonstrated that ESI in-source activation or fragmentation experiments conducted in the Fourier transform ion cyclotron resonance mass spectrometry (FTICRMS) cell induced the formation of a very stable entity, which corresponds to the general formula M4L4 (M = Zn or Cd and L = S or Se). The elimination of SC6H5- and/or M(SC6H5)(2) moieties by various activation processes from the studied thiophenolates led systematically to this structure.
机译：[M-4（SC6H5）（10）] [（CH3）N]（2），[M10L4（SC6H5）（16）] [（CH3）N]（4）和[Cd17S4（SC6H5）（28）] [ （CH3）N]（2）（M = Cd或Zn，L = S或Se）锌和苯硫酚镉盐已通过电喷雾电离（ESI）傅里叶变换离子回旋共振（FTICR）质谱（ESI-FTICRMS）进行了研究和串联ESI-FTICRMS（ESI-FTICRMSn）。 ESI-FTICRMS证明了其表征和研究此类化合物的能力，这些化合物可用作II-VI纳米材料的前体。已经发现，所获得的质谱与所研究的硫酚盐具有高度相关性，某些检测到的离子的碎裂行为表明了其稳定性。更具体地说，已证明在傅立叶变换离子回旋共振质谱（FTICRMS）细胞中进行的ESI源内活化或片段化实验可诱导形成非常稳定的实体，该实体对应于通式M4L4（M = Zn或Cd，L = S或Se）。从研究的硫酚盐中通过各种活化过程消除SC6H5-和/或M（SC6H5）（2）部分，系统地导致了这种结构。

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