ECS-SS Nano-Speed (10-500 nm/s) Dip Coater with Drying Oven (100℃), ESSNSDCDO
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A Nano-Speed Dip Coater with Drying Oven is the most precise iteration of dip-coating technology, specifically designed for "Bottom-Up" nanotechnology and the fabrication of ultra-thin, highly ordered monolayers or sub-micron ceramic membranes.
Standard dip coaters operate in the millimeter-per-minute range. A Nano-Speed unit utilizes specialized high-resolution piezo-drives or micro-stepping lead screws to achieve withdrawal speeds as low as 0.1 nm/s to 10 nm/s. (1) Evaporation-Regime Coating: At these ultra-low speeds, the film formation is no longer governed by fluid dynamics (Landau-Levich) but by the rate of solvent evaporation at the meniscus (the "Coffee Ring" effect utilized for uniform coating). (2) Molecular Assembly: This speed range is critical for Layer-by-Layer (LbL) assembly and the deposition of 2D materials (like graphene or MXenes) where you need to allow time for molecules to orient themselves on the substrate surface.
Dip Coating Process Sketch and Working Mechanism
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