Thin-Film Transistors: Devices for the Next Generation Large Area Electronics
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Thin Films and Interfaces".
Deadline for manuscript submissions: closed (20 August 2023) | Viewed by 2335
Special Issue Editor
Interests: thin film transistors; high-k dielectrics; solution process; oxide materials
Special Issues, Collections and Topics in MDPI journals
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Dear Colleagues,
For more than 40 years, thin-film transistors (TFTs) have come a long way from potential electronic devices to being used in our smart phones. TFTs are the mirror of technology improvement with the research and development on materials, processes, and devices.
From a material prospect, the semiconductor has been the main focus. amorphous and polycrystalline materials have been investigated: from amorphous silicon, polysilicon, to organic materials, oxide semiconductors, CNTs, and the recent development of perovskite and 2D materials. For the dielectric, SiO2 has been the main choice, but high-k dielectrics have been included. Ferroelectric dielectrics have also opened the way to other advanced applications. Materials used as the substrate have also changed with time, as nowadays, flexible or even stretchable substrates are commonly investigated. In terms of process, vacuum processes like sputtering and plasma enhanced chemical vapor deposition (PECVD) have been mostly used for practical industrial applications. Nonetheless, non-vacuum processes including but not limited to inkjet printing, spin-coating, spray coating, roll-to-roll have lead to the possibility of devices with reproducible and high mobility characteristics. Considering devices, the conventional TFT structures (staggered, inverted staggered, coplanar, inverted coplanar) and other structures (like the Corbino TFT, dual gate...) have been widely investigated to obtain devices with higher stability and higher mobility. More recently, hybrid solutions have been investigated for CMOS applications, like the LTPO inverters. Finally, let us not forget the development of technology computer aided design (TCAD) to better understand and strategise the development of circuits for large are electronics like active matrix organic light emitting diodes (AMOLED). Last but not least, TFTs can also be used in bioelectronics, or even biomimicing (e.g., synaptic) devices.
In this paper, we invite you to submit a manuscript relevant to the possibilities of the most recent and newest approaches of TFT materials, processes, and devices which could reflect tomorrow’s applications and set the first footsteps to new possibilities. Full papers, communications, and reviews are welcome.
Prof. Dr. Christophe Avis
Guest Editor
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Keywords
- thin-film transistor
- vacuum process
- solution process
- flexible and stretchable substrates
- oxide semiconductors
- 2D materials
- perovskite
- organic semiconductors
- LTPO
- bioelectronics
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