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April 3, 2026Low Temperature Physics0 citations

Infrared-sensitive Cu2O/CuO nanocomposite films synthesized via vacuum condensation and atmospheric annealing

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SDSerhii DukarovMFMateusz FijalkowskiSPS. I. Petrushenko

Key Points

  • This work aims to explore the sensor properties of Cu2O/CuO nanocomposite films made using a specific synthesis method.
  • Synthesis of nanocomposite films via vacuum deposition and subsequent atmospheric annealing.
  • Characterization of structural element sizes, achieving around 20 nm.
  • Assessment of sensitivity to infrared radiation, including human body thermal radiation.
  • Demonstrated sensitivity of nanocomposite films to infrared radiation.
  • Observed reactions of films to human body thermal radiation.
  • Identified possible additional sensitivity mechanisms in the sensor layers.

Abstract

This work investigates the sensor properties of Cu2O/CuO nanocomposite films, obtained through vacuum deposition followed by atmospheric annealing. It was established that the proposed synthesis method allows for the creation of biphase nanocomposite films with structural element sizes around 20 nm. The obtained film structures are shown to be sensitive to infrared radiation and can even react to human body thermal radiation. Indications of additional sensitivity mechanisms within the sensor layers were observed, and physical considerations regarding these mechanisms are proposed.

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Cite This Study

Dukarov et al. (2026) studied this question.

synapsesocial.com/papers/69cf5de95a333a821460bf18https://doi.org/10.1063/10.0043158
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