Introduction

Lacey Carbon Film TEM Grids with Continuous Carbon Coating combine the irregular, web-like structure of lacey carbon with an additional continuous carbon layer deposited over the film. This configuration enhances mechanical durability and electrical conductivity while preserving the characteristic large open regions of the lacey carbon network.

These grids are designed for demanding transmission electron microscopy (TEM) and cryo-electron microscopy (cryo-EM) applications requiring increased stability compared to standard lacey carbon films.

Structure and Film Configuration

This reinforced structure consists of:

• A lacey carbon film forming a randomly interconnected carbon network
• Large irregular open areas
• Variable strand width and geometry
• An additional continuous carbon coating deposited across the lacey framework

The continuous carbon coating strengthens the existing carbon network and may partially reduce extreme thin regions, improving overall robustness without eliminating the open imaging areas.

Functional Advantages

Lacey Carbon Film TEM Grids with Continuous Carbon Coating provide:

• Improved mechanical strength
• Increased resistance to beam-induced damage
• Enhanced electrical conductivity
• Reduced specimen charging
• Greater handling durability
• Retention of large suspended imaging regions

Compared to standard lacey carbon grids, the added carbon coating increases structural reliability during high-resolution and cryogenic imaging workflows.

Applications

These grids are commonly used in:

• Cryo-electron microscopy (cryo-EM)
• Single-particle analysis
• Nanoparticle and nanomaterial imaging
• Advanced materials research
• Beam-sensitive specimen studies

Available Base Grid Materials

• Copper TEM grids
• Molybdenum TEM grids

Multiple mesh sizes (e.g., 200, 300, 400 mesh) are available to match your imaging requirements. Copper and molybdenum substrates are available as standard. Additional base materials - including tungsten, nickel, titanium, and nylon - are available upon request. Please contact us to discuss custom grid configurations.

Manufacturing and Quality Control

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