Journal of Analytical Chemistry

, Volume 73, Issue 13, pp 1292–1300 | Cite as

A Study of Novel Organic Optoelectronics Materials Based on Thiophene and Silicon by Time-of-Flight Laser Desorption/Ionization Mass Spectrometry

  • A. P. PleshkovaEmail author
  • E. S. Kuznetsova


The results of investigation of a variety of new organic semiconductors for optoelectronics based on thiophene and silicon by time-of-flight direct laser desorption/ionization mass spectrometry are presented. The peculiarities of the behavior of these species are analyzed. The main ionization route for many of the compounds was found to be the only formation of a molecular radical cation. For a small group of species, protonation and deprotonation were observed rather than the above path. However, there are some molecules for which several competing routes were detected, namely, the formation of a molecular radical cation, protonation, and deprotonation


direct laser desorption/ionization time-of-flight mass spectrometry organic optoelectronics materials based on thiophene and silicon molecular radical cations protonation cationization deprotonation 



We are grateful to Professor A.T. Lebedev for useful advises in the discussion of the results obtained.


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Copyright information

© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  1. 1.Institute of Organoelement Compounds, Russian Academy of SciencesMoscowRussia
  2. 2.Institute of Physical Chemistry and Electrochemistry, Russian Academy of SciencesMoscowRussia

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