2D Semiconductor WS₂ on Sapphire for Research & Device Development

ZMSH supplies high-quality WS₂ on Sapphire Wafers featuring continuous multilayer tungsten disulfide (WS₂) films grown on sapphire substrates. As a representative Transition Metal Dichalcogenide (TMD) material, WS₂ has attracted significant attention for next-generation electronics, optoelectronics, photodetectors, sensors, and advanced semiconductor research.

Our WS₂ wafers offer excellent crystal quality, high film uniformity, smooth surface morphology, and strong optical performance, making them ideal for universities, research institutes, semiconductor laboratories, and R&D projects worldwide.

Key Features

• Continuous multilayer WS₂ film
• High-quality hexagonal crystal structure
• Excellent wafer-scale uniformity
• Strong photoluminescence (PL) response
• Ultra-smooth surface (RMS ≈ 0.11 nm)
• Sapphire substrate with excellent thermal stability
• Available in 2-inch and 4-inch wafer sizes
• Suitable for device fabrication and material characterization
• Custom specifications available

Specifications

Why Choose WS₂ on Sapphire?

WS₂ combines a suitable bandgap, strong light-matter interaction, and excellent carrier transport properties, making it one of the most promising 2D semiconductor materials beyond conventional silicon technologies.

The sapphire substrate provides:

• High thermal stability
• Excellent optical transparency
• Superior mechanical strength
• Chemical resistance
• Reliable platform for wafer-scale growth

Compared with mechanically exfoliated flakes, wafer-scale WS₂ films provide better consistency, repeatability, and scalability for research and device development.

Characterization Results

Surface Morphology

Atomic Force Microscopy (AFM) measurements show an ultra-smooth surface with RMS roughness around 0.11 nm, suitable for nanoscale device fabrication.

Crystal Quality

Advanced characterization techniques including GIXRD and GI-WAXS confirm high crystal quality and excellent in-plane orientation.

Optical Performance

Strong photoluminescence (PL) intensity and narrow FWHM indicate superior optical quality and material uniformity.

Material Verification

Raman spectroscopy confirms the characteristic vibrational modes of WS₂, validating material composition and structural integrity.

Applications

2D Semiconductor Research

Fundamental studies of carrier transport, electronic properties, and low-dimensional materials.

Optoelectronic Devices

Suitable for photodetectors, optical sensors, light-emitting devices, and optical modulation research.

Advanced Logic Devices

Research platform for next-generation transistor architectures and ultra-thin semiconductor channels.

AI & Neuromorphic Computing

Emerging material candidate for future computing hardware and novel device structures.

Gas Sensors

High surface sensitivity enables gas detection and environmental monitoring applications.

Biosensors

Suitable for biochemical sensing and medical diagnostic research.

Flexible Electronics Research

Can be used as a growth and transfer platform for flexible electronic device development.

Academic Research

Widely used by universities, national laboratories, and semiconductor research institutes.

Available Products

Customization Services

ZMSH provides customized WS₂ wafer solutions based on customer requirements:

• Custom wafer sizes
• Different substrate types
• Film thickness adjustment
• Research-grade specifications
• Device fabrication support
• Material characterization reports

Please contact us for custom requirements and project discussions.

Advantages of ZMSH

• Professional semiconductor wafer supplier
• Experience in 2D materials and compound semiconductors
• Strict quality control
• Global shipping support
• Custom wafer manufacturing capability
• Technical support for research projects

FAQ

What is WS₂?

WS₂ (Tungsten Disulfide) is a two-dimensional semiconductor belonging to the Transition Metal Dichalcogenide (TMD) family. It exhibits excellent optical and electronic properties for next-generation semiconductor applications.

Why use sapphire as a substrate?

Sapphire offers excellent thermal stability, optical transparency, chemical resistance, and mechanical strength, making it an ideal substrate for high-quality WS₂ growth.

What wafer sizes are available?

Standard sizes include 2-inch and 4-inch wafers. Custom sizes can be provided upon request.

Can you provide characterization data?

Yes. AFM, Raman, PL, PL Mapping, TEM, GIXRD, and GI-WAXS reports are available depending on project requirements.

Is customization available?

Yes. We support customized substrate types, wafer sizes, film thicknesses, and research-grade specifications.