Anti-Dust Coatings
Anti-Dust Surface Coatings and Treatments
Anti-dust surface coatings and treatments are passive material layers, including lotus-effect nanocoatings, transparent conductive oxides, and anti-static films, engineered to reduce dust accumulation on critical hardware. These systems function by dissipating electrostatic charges and lowering van der Waals adhesion forces through hydrophobic micro- and nano-texturing. Lunar deployment presents severe durability challenges: abrasive lunar regolith mechanically erodes protective surface structures over time, while ultraviolet radiation and thermal cycling degrade coating stability. Additionally, applied materials must not outgas and contaminate sensitive optical or cryogenic surfaces across a projected 100-year operational lifetime.
Lotus-effect, conductive, and anti-static surface treatments reducing dust adhesion
Purpose
Reduce dust accumulation rates on critical surfaces through passive surface engineering
Context
Component of L1-DST within the Lunar Ark system
Principles
- ▸Hydrophobic/oleophobic nanocoatings reduce van der Waals adhesion forces with dust
- ▸Conductive surface treatments prevent electrostatic charge accumulation that attracts dust
- ▸Lotus-effect superhydrophobic surfaces use micro/nano texturing for self-cleaning
- ▸Transparent conductive oxides (TCO) enable charge dissipation on optical surfaces
Typical implementations
- ▸Lotus-effect biomimetic coatings (StoCoat Lotusan)
- ▸ITO (Indium Tin Oxide) conductive coatings on spacecraft surfaces
- ▸NASA Goddard dust-resistant coating research for lunar applications
- ▸Sol-gel anti-reflective and anti-dust coatings for solar panels
Lunar considerations
- ▸Coating durability under UV radiation and thermal cycling over decades is uncertain
- ▸Abrasive lunar dust may wear away protective coatings over time
- ▸Coatings must not outgas and contaminate sensitive optical or cryogenic surfaces
- ▸Reapplication of coatings requires ISRU-sourced materials or pre-positioned spares
Specifications
Functional
| primary function | Reduce dust accumulation rates on critical surfaces through passive surface engineering |
Operational
| thermal range c | -173, 127 |
| lifetime years | 100 |
Interfaces
Provides
- Dust-resistant coatings for solar array cover glass
Requires
- Coating materials and application equipment
Decomposes into
Cite this entry
Lunar Ark Codex. "Anti-Dust Coatings" (L2-DST-COAT). Retrieved 10 September 2026, from https://lunarark.com/entry/L2-DST-COAT
Licensed CC-BY-SA 4.0. You may reuse and adapt this entry with attribution, under the same licence.