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Resistive Memristors Using Robust Electropolymerized Porous Organic Polymer Films as Switchable Materials.

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Porous organic polymers (POPs) can now be fabricated into films for semiconductor devices. Electropolymerized POP films show promise for information storage applications, demonstrating excellent memristor performance.

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Nanotechnology

Background:

  • Porous organic polymers (POPs) possess inherent porosity, tunable pore environments, and semiconductive properties, making them suitable for advanced semiconductor devices.
  • The limited processability of POPs, typically prepared as powders, hinders their application in sophisticated electronic components.

Purpose of the Study:

  • To demonstrate the information storage capabilities of porous organic polymers (POPs) in a film format.
  • To explore the electrochemical preparation of POP films and their application in memristor devices.

Main Methods:

  • Electrochemical synthesis of porous organic polymer (POP) films.
  • Atomic force microscopy (AFM) to analyze film growth dynamics.
  • Characterization of memristor performance, including turn-on voltage and on/off current ratio.

Main Results:

  • Electropolymerized POP films were successfully prepared, following the Volmer-Weber growth model.
  • The fabricated memristors exhibited a low turn-on voltage (0.65 ± 0.10 V).
  • The devices demonstrated reliable data storage with a high on/off current ratio of 10^4.

Conclusions:

  • The porosity and interfacial properties of electropolymerized POP films are crucial for effective memristor function.
  • This work highlights the potential of using POPs in film form for advanced semiconductor applications, particularly in information storage.