Water-gated phthalocyanine transistors: Operation and transduction of the peptide–enzyme interaction

We demonstrate the operation of transistors containing copper phthalocyanine thin-films gated with water and discuss the charge dynamics at the CuPc/water interface

Rafael Furlan de Oliveira


Scholarcy highlights

  • The use of aqueous solutions as the gate medium is an attractive strategy to obtain high charge carrier density and low operational voltages in organic transistors. It provides a simple and favorable architecture to couple both ionic and electronic domains in a single device, which is crucial for the development of novel technologies in bioelectronics
  • Water-gated CuPc OTFTs were employed in the transduction of the biospecific interaction between tripeptide reduced glutathione and glutathione S-transferase enzyme, taking advantage of the device sensitivity and multiparametricity

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