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Updated: May 10, 2026

08:43
Effect of Bending on the Electrical Characteristics of Flexible Organic Single Crystal-based Field-effect Transistors
Published on: November 7, 2016
Low-voltage self-assembled monolayer field-effect transistors on flexible substrates
Thomas Schmaltz1, Atefeh Y Amin, Artoem Khassanov
1Organic Materials & Devices, Dept. of Materials Science, University Erlangen-Nürnberg, Martensstraße 7, Erlangen, Germany.
Advanced Materials (Deerfield Beach, Fla.)
|June 22, 2013
Summary
Researchers developed novel self-assembled monolayer field-effect transistors (SAMFETs) using functionalized phosphonic acids. These SAMFETs achieve high charge carrier mobility and operate reliably on flexible substrates, even when bent.
Area of Science:
- Materials Science
- Organic Electronics
- Nanotechnology
Background:
- Self-assembled monolayers (SAMs) are crucial for organic electronics.
- Field-effect transistors (FETs) are fundamental semiconductor devices.
- Flexible electronics require robust and high-performance active materials.
Purpose of the Study:
- To fabricate and characterize novel SAMFETs using BTBT-functionalized phosphonic acids.
- To investigate the performance of SAMFETs on flexible and rough substrates.
- To demonstrate the potential of these devices for flexible electronic applications.
Main Methods:
- Fabrication of SAMFETs using BTBT-functionalized phosphonic acids.
- Electrical characterization of device performance, including charge carrier mobility.
- Testing device stability and operation under mechanical bending on PEN substrates.
Main Results:
- Achieved charge carrier mobilities up to 10(-2) cm(2) V(-1) s(-1).
- Demonstrated successful operation of SAMFETs on rough, flexible PEN substrates.
- Confirmed device functionality even under mechanical substrate bending.
Conclusions:
- BTBT-functionalized phosphonic acids enable high-performance SAMFETs.
- These SAMFETs are suitable for operation on flexible and rough surfaces.
- The developed technology advances the field of flexible organic electronics.

