I need a quote for 15 units of n-doped silicon/SiO2 wafers with a diameter of 100 mm and a 3,000 Å (300 nm) silicon dioxide layer for organic transistor fabrication. A backside oxide layer is not required.
Silicon Wafers for Organic Transistor Research
A postdoctoral researcher requested a quote for n-doped silicon wafers with thermal oxide for the fabrication of organic transistors and organic semiconductor devices.
Reference #26806 for pricing.
Highly Doped Silicon Wafers for Organic Field-Effect Transistors
A Ph.D. candidate working in organic semiconductor research requested highly doped n-type silicon wafers with a thin thermal oxide layer for the fabrication of Organic Field-Effect Transistors (OFETs).
I am performing organic semiconductor research and need a highly doped silicon wafer with a 200-300 nm thermal oxide layer. Diced chips are preferred, but full wafers are acceptable.
I would like highly doped n-type silicon with oxide on only one side. The chips should ideally be diced into 10 mm × 10 mm, 10 mm × 15 mm, or 15 mm × 15 mm pieces for constructing organic field-effect transistors.
Reference #207057 for specifications and pricing.
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Common Substrates Used for OFET and OTFT Devices
Researchers developing organic thin-film transistors commonly use highly doped silicon substrates with thermal oxide or silicon nitride dielectric layers. Typical oxide thicknesses range from 200 nm to 300 nm, and wafers are frequently diced into small chips for prototype fabrication.
Applications of Organic Transistors
- Organic field-effect transistors (OFET)
- Organic thin-film transistors (OTFT)
- Flexible electronics
- OLED and OLET devices
- Wearable electronics
- Electronic skin and biosensors
- Printed electronics
- Photodetectors and sensors
- Biomedical devices
- Human-machine interfaces
Highly Doped Silicon Substrates for OFET and OTFT Fabrication
A Ph.D. researcher requested highly doped silicon substrates with either SiO2 or LPCVD silicon nitride (Si3N4) for the fabrication of Organic Thin-Film Transistors (OTFTs). In this device architecture, the highly doped silicon acts as the gate electrode while the oxide or nitride layer functions as the dielectric. Organic semiconductor inks are deposited above the dielectric, followed by gold contacts formed by thermal evaporation.
Single-side dielectric coatings are often preferred because the backside conductive silicon serves as the gate electrode. Diced substrates can also be supplied for prototype device fabrication.
Reference #225835 for specifications and pricing.
What Are Organic Field-Effect Transistors (OFETs)?
Organic field-effect transistors (OFETs) are electronic devices that use organic semiconductors instead of conventional silicon channels. They are widely studied for flexible electronics, wearable sensors, low-cost displays, electronic skin, and biomedical devices. Because they can be fabricated at low temperatures and on flexible substrates, OFETs are attractive alternatives to traditional semiconductor technologies.
Benefits of Organic Transistors
- Low manufacturing cost
- Lightweight and flexible device structures
- Compatibility with printed electronics
- Low-temperature processing
- Large-area fabrication capability
- Suitable for wearable electronics and sensors
- Potential integration with OLED and photonic devices
Flexible Electronics and Wearable Devices
Organic semiconductors have excellent mechanical flexibility compared with conventional silicon devices. Researchers are developing OFETs for flexible displays, electronic skin, biomedical monitoring systems, pressure sensors, and implantable electronics. Polymer-based materials and solution-processable semiconductor inks enable large-area fabrication on plastic substrates and flexible films.
Organic Light-Emitting Transistors (OLETs)
Organic light-emitting transistors combine electrical switching with light emission in a single device. OLETs offer high luminous efficiency and are being investigated for next-generation displays, lighting technologies, and integrated photonic systems. Their structure allows efficient charge transport while simplifying device architecture compared to conventional OLED technologies.
Organic Semiconductor Materials
Common materials used in OFETs include conjugated polymers, pentacene, rubrene, thiophene derivatives, and solution-processable organic semiconductor inks. Researchers continue to improve carrier mobility, thermal stability, and environmental reliability to enable large-scale commercial applications.
Electrode Materials for OFET Devices
Gold, silver, graphene, carbon nanotubes, and conducting polymers are commonly used as source and drain electrodes. Carbon-based nanomaterials provide excellent electrical conductivity and thermal stability while reducing contact resistance. These materials play an important role in improving OFET performance and device lifetime.
Applications of Organic Transistors
- Organic field-effect transistors (OFETs)
- Organic thin-film transistors (OTFTs)
- Flexible displays
- Wearable electronics
- Electronic skin and biosensors
- OLED and OLET devices
- Printed electronics
- Photodetectors
- Biomedical sensors
- Human-machine interfaces
Substrates Used for Organic Transistors
Researchers commonly use highly doped silicon wafers with thermal oxide or silicon nitride dielectric layers. Prime-grade silicon substrates with carefully controlled oxide thickness and low resistivity provide excellent gate electrodes for OFET and OTFT fabrication. UniversityWafer, Inc. supplies custom wafer diameters, diced chips, and dielectric thicknesses to support long-term research projects.