Effect of pressure on the electrical properties of flexible NiPc thin films fabricated by rubbing-in technology

Nickel phthalocyanine (NiPc) film was deposited onto the surface of flexible conductive glass by rubbing-in technology and used to fabricate devices based on ITO/NiPc/CNT/rubber structure. The I-V characteristics of the devices were investigated under different uniaxial pressures of 200, 280, and 48...

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Bibliographic Details
Published in:Chinese physics B 2021-01, Vol.30 (1), p.14703
Main Authors: Karimov, Khasan S, Muhammadsharif, Fahmi F, Ahmad, Zubair, Rehman, M Muqeet, Ali, Rashid
Format: Article
Language:English
Subjects:
electrical property
NiPc
pressure
rubbing-in technology
thin film
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Summary:Nickel phthalocyanine (NiPc) film was deposited onto the surface of flexible conductive glass by rubbing-in technology and used to fabricate devices based on ITO/NiPc/CNT/rubber structure. The I-V characteristics of the devices were investigated under different uniaxial pressures of 200, 280, and 480 gf/cm2, applied perpendicular to the surface of the NiPc film. Results showed that the nonlinearity coefficients of the I-V curves are in the range of 2 to 3, which was found to be decreased with the increase of the pressure. The rectification ratio of the devices was estimated to be varied from 1.5 to 3 based on the applied pressure. Concluding, the resistance of the active layers was decreased with the increase of both pressure and voltage. We believe that using the rubbing-in technology under sufficient applied pressure it is possible to utilize NiPc for the development of various electronic devices such as diodes, nonlinear resistors, and sensors.
ISSN:1674-1056
DOI:10.1088/1674-1056/abb3ec