2um Photonic Crystal Standard PS Microspheres SPS2UM-10 5%

2um Photonic Crystal Standard PS Microspheres

SHBC SPS2UM-10 Photonic Crystal Standard PS Microspheres are uniform 2 µm polystyrene particles supplied as a 5% suspension.

The controlled particle size and spherical morphology make them suitable for micron-scale colloidal arrays, periodic surface structures, optical scattering, template fabrication and particle standard research.

SPS2UM-10 is available for laboratory testing, pilot projects and bulk production.

Product Specifications

Batch-specific particle size distribution, dispersion medium, surface charge and storage conditions should be confirmed in the product specification.

Key Features and Advantages

Controlled 2um Particle Size

The controlled particle size supports repeatable particle-array preparation, optical comparison and microsphere template research.

Uniform Spherical Morphology

Regular particle shape supports ordered packing, consistent surface patterning and reproducible material development.

Stable PS Matrix

Polystyrene provides a stable polymer matrix for colloidal processing, optical research and surface-structure fabrication.

Convenient 5% Suspension

The standard 5% solid content allows easy dilution, concentration adjustment and process screening.

Easy Observation and Recovery

The 2 µm particles are easier to observe and recover than many nanoscale microspheres, supporting convenient laboratory handling.

Bulk Manufacturing Support

SHBC provides samples, pilot quantities, customized specifications and stable batch production.

Photonic Structure and Colloidal Array Applications

SPS2UM-10 can be evaluated for:

• Micron-scale colloidal arrays

• Two-dimensional particle crystals

• Three-dimensional colloidal structures

• Periodic surface patterns

• Photonic structure research

• Optical scattering studies

• Diffraction structure development

• Colloidal self-assembly

• Microstructured coatings

• Photonic and plasmonic composites

• Ordered particle films

• Optical sensor research

The final optical response depends on particle spacing, array structure, refractive index, substrate and surrounding medium.

Why Choose 2um PS Microspheres?

The 2 µm size is suitable for research requiring larger periodic spacing and convenient microscopic observation.

Key benefits include:

• Easy particle visualization

• Convenient recovery and washing

• Suitable for micron-scale periodic arrays

• Stable spherical structure

• Strong light-scattering capability

• Flexible concentration adjustment

• Compatibility with different substrates

• Suitable for template fabrication

• Scalable laboratory and pilot processing

For visible structural-color applications, smaller particles may be more suitable. SPS2UM-10 is better positioned for micron-scale optical structures, diffraction, scattering and template research.

Template and Surface Patterning Applications

SPS2UM-10 can be used as a removable or permanent microsphere template for preparing:

• Ordered porous films

• Inverse structures

• Surface-patterned coatings

• Metal-coated microsphere arrays

• Microstructured polymer films

• Etching masks

• Lithography masks

• Periodic electrode structures

• Photonic and plasmonic surfaces

After particle assembly, the microspheres may be coated, embedded or removed according to the target material design.

Particle Standard and Optical Research

SPS2UM-10 can also be evaluated for:

• Particle size comparison

• Instrument performance testing

• Optical microscopy research

• Light-scattering analysis

• Particle tracking

• Microfluidic research

• Filter membrane testing

• Fluid dynamics studies

• Surface deposition experiments

• Colloidal interaction research

• Educational demonstrations

Use as a certified calibration standard requires confirmation of batch-specific measurement data and traceability documentation.

Suitable Assembly Methods

Potential processing methods include:

Drop Casting

The diluted suspension is deposited onto a clean substrate and dried under controlled conditions.

Spin Coating

Rotation speed, suspension concentration and coating cycles can be adjusted to prepare particle layers.

Vertical Deposition

A vertically positioned substrate can collect microspheres during controlled solvent evaporation.

Air–Water Interface Assembly

Particles can be organized at a liquid interface before transfer onto a solid substrate.

Template-Assisted Assembly

Patterned substrates or microchannels can guide the positioning of microspheres.

The preferred method depends on the required coverage, layer thickness, array structure and final application.

Factors Affecting Assembly Quality

Important processing parameters include:

• Particle size distribution

• Microsphere concentration

• Dispersion stability

• Surface charge

• Substrate cleanliness

• Substrate surface energy

• Deposition volume

• Temperature

• Humidity

• Evaporation rate

• Surfactant concentration

• Ionic strength

• Number of particle layers

Consistent processing conditions help reduce irregular packing, particle aggregation, voids and film defects.

Processing and Handling Guidance

• Mix gently before sampling.

• Fully redisperse settled microspheres.

• Avoid dust and particulate contamination.

• Use clean containers and substrates.

• Optimize concentration before deposition.

• Control temperature and humidity during drying.

• Avoid excessive salt or surfactant addition.

• Do not allow the stock suspension to dry.

• Avoid freezing unless permitted by the specification.

• Confirm substrate compatibility before scale-up.

Mild sonication may be evaluated when additional dispersion is required. Avoid overheating during sonication.

Quality Control and Batch Documentation

Available documentation may include:

• Certificate of Analysis

• Safety Data Sheet

• Product specification

• Particle size information

• Solid-content information

• Batch identification

• Storage guidance

• Handling recommendations

Customers requiring particle standards should confirm the available particle size tolerance, testing method and traceability level before ordering.

Customization and Bulk Production

Shanghai SanYu Biotechnology Co., Ltd. provides PS microsphere development and manufacturing services for optical material companies, universities, research institutions and industrial customers.

Customization options may include:

• Different particle sizes

• Different solid contents

• Narrow particle size distributions

• Custom dispersion media

• Surface functionalization

• Fluorescent modification

• Colored microspheres

• Crosslinked PS microspheres

• Custom packaging

• Pilot-scale manufacturing

• Bulk production

• OEM and ODM services

Customization feasibility depends on particle size, particle distribution, concentration, surface chemistry and order volume.

Why Choose SHBC?

• Specialized microsphere manufacturer

• Controlled 2 µm particle specification

• Uniform spherical morphology

• Standard 5% solid content

• Suitable for micron-scale colloidal arrays

• Suitable for optical and template research

• Laboratory samples available

• Pilot production support

• Stable batch manufacturing

• Customized particle specifications

• Bulk supply capability

• OEM and ODM support

Frequently Asked Questions

What is SPS2UM-10?

SPS2UM-10 is a 2 µm polystyrene microsphere suspension with 5% solids, developed by SHBC for photonic structures, optical materials and particle research.

What are 2um PS microspheres used for?

They can be evaluated for colloidal arrays, optical scattering, periodic templates, surface patterning, particle comparison and microfluidic research.

Can SPS2UM-10 form photonic crystal structures?

The microspheres can be assembled into ordered particle structures. Final array quality depends on particle uniformity, concentration, substrate and deposition conditions.

Can 2um microspheres produce structural color?

Their optical response differs from smaller particles commonly used for visible structural colors. The 2 µm size is more suitable for larger-period structures, diffraction and scattering research.

Which assembly methods can be used?

Drop casting, spin coating, vertical deposition, interface assembly and template-assisted assembly can be evaluated.

Are the microspheres surface-functionalized?

The standard SPS2UM-10 product is non-functionalized unless otherwise specified. Customized surface groups can be discussed.

Can proteins be adsorbed onto the PS surface?

Physical adsorption can be evaluated for research applications. Adsorption performance depends on the protein, buffer, pH, ionic strength and blocking conditions.

Can the product be used as a calibration standard?

It can be evaluated for particle comparison and instrument testing. Certified calibration use requires batch-specific certification and traceability.

Can SHBC customize the specification?

Yes. Particle size, concentration, dispersion medium, surface chemistry and packaging can be customized according to project requirements.

Are bulk quantities available?

Yes. SHBC supports sample evaluation, pilot orders and bulk production.

Request Samples and Bulk Pricing

Contact SHBC for SPS2UM-10 samples, technical specifications, customized particle sizes and bulk quotations.

Please provide:

• Required quantity

• Target application

• Required particle size tolerance

• Preferred solid content

• Dispersion medium requirements

• Surface modification requirements

• Packaging requirements

• Expected annual demand

Product: 2um Photonic Crystal Standard PS Microspheres
Catalog Number: SPS2UM-10
Material: Polystyrene, PS
Particle Size: 2 µm
Solid Content: 5%
Brand: SHBC
Manufacturer: Shanghai SanYu Biotechnology Co., Ltd.
Primary Applications: Photonic Structures, Optical Materials and Particle Research
Intended Use: Research and Material Development Use