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Updated: May 11, 2026

Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors
Published on: November 7, 2016
A charge transfer single crystal field effect transistor operating at low voltages.
Abhay A Sagade1, K Venkata Rao, Subi J George
1Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore 560064, India.
This study presents a high-performance organic field-effect transistor (OFET) using a novel donor-acceptor crystal. The device achieves excellent charge carrier mobility under ambient conditions.
Area of Science:
- Materials Science
- Organic Electronics
- Solid-State Physics
Background:
- Organic field-effect transistors (OFETs) are crucial for flexible electronics.
- Developing high-mobility organic semiconductors is an ongoing challenge.
- Donor-acceptor systems offer tunable electronic properties.
Purpose of the Study:
- To develop and characterize a high-performance organic FET.
- To investigate charge transport mechanisms in novel organic crystals.
- To explore the potential of coronene tetracarboxylate and methyl viologen derivatives.
Main Methods:
- Fabrication of an organic FET device using a single crystal.
- Characterization of device performance under ambient conditions.
- Computational modeling using quantum mechanical calculations.
Main Results:
- Achieved a high charge carrier mobility of 0.53 cm(2) V(-1) s(-1).
- Device operated effectively at a low voltage of 2 V.
- Demonstrated stable operation in ambient atmosphere.
- Quantum mechanical calculations revealed hole-dominant charge transport.
Conclusions:
- The developed organic FET exhibits promising performance for electronic applications.
- Single crystals of donor-acceptor systems are viable for high-mobility organic electronics.
- Understanding charge transport is key to designing advanced organic semiconductor devices.
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