The Field-Effect Transistor Based on a Polyyne–Polyene Structure Obtained via PVDC Dehydrochlorination

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Abstract
We report on the formation of the field-effect transistor based on a polyyne–polyene structure. Polyvinylidene chloride (PVDC) drop casting and its subsequent dehydrochlorination in KOH solution allowed for the formation of porous polyyne–polyene material, which was analyzed via transmission electron microscopy, Fourier-transform infrared spectroscopy, and Raman spectroscopy, revealing the presence of sp- and sp2-hybridized chained fragments in the structure. The polyyne–polyene-based field-effect transistor showed a transconductance of 3.2 nA/V and a threshold voltage of −0.3 V. The obtained results indicate that polyyne–polyene-based transistors can be used as discrete elements of molecular electronics and that subsequent studies can be aimed toward the development of selective polyyne–polyene-based gas sensors with tunable sensitivity.
Funding Information
  • Basis Foundation fellowship program (20-2-2-7-1, 23-72-00037, 075-15-2022-1150)
  • Russian Science Foundation (20-2-2-7-1, 23-72-00037, 075-15-2022-1150)
  • Ministry of Science and Higher Education of the Russian Federation (20-2-2-7-1, 23-72-00037, 075-15-2022-1150)

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