As the semiconductor industry continues to push the boundaries of device miniaturization, performance, and energy efficiency, two-dimensional (2D) semiconductor materials have emerged as a promising platform for next-generation electronics and optoelectronics. Among the various material options available, single-crystal 2D semiconductor materials are widely recognized for their exceptional structural uniformity and superior electronic properties. To support advanced research and industrial innovation, Alfa Chemistry provides customers with a comprehensive portfolio of single-crystal products.
What Is the Single Crystal Series?
The single crystal series consists of wafer-scale 2D semiconductor materials featuring a continuous crystal lattice structure across large areas. Unlike polycrystalline materials that contain numerous grain boundaries and crystal defects, single-crystal materials provide a highly ordered atomic arrangement, enabling more consistent and predictable device performance.
These materials are manufactured using advanced growth technologies and strict process control, ensuring excellent crystal quality and wafer-level uniformity. They are ideal for both fundamental scientific research and the development of high-performance semiconductor devices.
Key Advantages of Single Crystal Materials
The unique crystal structure of the single crystal series delivers several important benefits for semiconductor applications:
- No Grain Boundaries
- Eliminates carrier scattering caused by grain boundaries.
- Supports more efficient charge transport.
- Excellent Electrical Performance
- Enables higher carrier mobility.
- Contributes to improved device efficiency and switching behavior.
- Outstanding Material Uniformity
- Maintains consistent properties across the entire wafer.
- Facilitates reproducible device fabrication and testing.
- Low Defect Density
- Reduces performance degradation caused by crystal imperfections.
- Enhances device reliability and operational stability.
- Scalable Wafer-Level Production
- Supports large-area device integration.
- Compatible with advanced manufacturing processes.
Performance Parameters
Alfa Chemistry's single crystal series is available in a variety of specifications to meet diverse research and application requirements, as shown below:
| Catalog Number | Material | Characteristic | Substrate | Size | Application |
| ACSEM-2D-0001 | MoS2-1 | - Single-Layer
- Grain Boundary-Free
- Excellent Electrical Properties
- Domain Unidirectionality > 90%
- Reference Mobility: 100 cm2·V-1·s-1
| - Sapphire
- Silicon Wafer
- Glass
- Quartz
- PI/PET
| - 10 mm×10 mm
- 2-8 inch wafer
| - Integrated Circuits (ICs)
- Quantum Capacitors
- High-Sensitivity Sensors
- Radio Frequency (RF) Devices
- Optoelectronic Devices
- Spintronics
|
| ACSEM-2D-0002 | MoS2-2 | - Single-Layer
- Grain Boundary-Free
- Domain Unidirectionality > 80%
- Reference Mobility: 80 cm2·V-1·s-1
|
| ACSEM-2D-0003 | WSe2 | - Single-Layer
- Grain Boundary-Free
- P-type Dominated
- Domain Unidirectionality > 90%
| |
| ACSEM-2D-0004 | MoSe2 | - Single-Layer
- Grain Boundary-Free
| - 10 mm×10 mm
- 2-8 inch wafer
| - Optoelectronic Devices
- Photodetectors
- Fundamental Research
|
Partner with Alfa Chemistry
As the demand for advanced semiconductor materials continues to grow, access to high-quality, wafer-scale single-crystal 2D materials has become increasingly important for both research and commercial development. Alfa Chemistry is dedicated to providing reliable single crystal series products that help bridge the gap between laboratory discoveries and real-world applications.
With a strong commitment to quality, innovation, and customer satisfaction, we support scientists, engineers, and manufacturers in accelerating the development of next-generation electronic, optoelectronic, and quantum devices. Whether your goal is fundamental research, prototype development, or large-scale production, Alfa Chemistry is ready to deliver the advanced material solutions needed to drive technological progress.
