Holey Carbon Film TEM Grids

Introduction

Holey Carbon Film TEM Grids feature a perforated carbon support film designed to provide partially unsupported imaging regions while maintaining structural integrity across the grid. These grids are widely used in cryo-electron microscopy (cryo-EM), nanoparticle analysis, and high-resolution transmission electron microscopy (TEM).

The perforated carbon film allows specimens to span open areas, reducing background contribution while preserving mechanical stability.

Structure and Film Characteristics

Holey carbon films consist of:

• A carbon support layer
• Irregular or semi-controlled perforations
• Variable hole size and distribution
• Defined overall film thickness

Depending on fabrication method, hole geometry may exhibit non-uniform distribution rather than perfectly periodic arrays. The irregular perforation pattern provides open imaging regions while retaining sufficient carbon framework for stability.

Key Advantages

Holey Carbon Film TEM Grids offer:

• Reduced background scattering in open regions
• Improved particle contrast
• Support for vitrified cryo-EM samples
• Compatibility with suspended specimen imaging
• Stable carbon framework for consistent performance

Compared to continuous films, holey carbon grids allow imaging over open areas while maintaining sufficient structural support.

Film Thickness Options

We provide both:

Thin Holey Carbon Film

• Higher electron transparency
• Optimized for high-resolution imaging
• Reduced background contribution

Thick Holey Carbon Film

• Greater mechanical durability
• Improved handling stability
• Suitable for routine screening

For enhanced beam stability, explore our:

• Formvar-Carbon Double Film TEM Grids
• Continuous Carbon Film TEM Grids

For applications requiring perforated support, explore our:

• Holey Carbon Film TEM Grids
• Holey Carbon Film TEM Grids with Continuous Carbon Coating
• Lacey Carbon Film TEM Grids
• Lacey Carbon Film TEM Grids with Continuous Carbon Coating