Self-assembled self-cleaning broadband anti-reflection coatings

- Colloidal self-assembly enables self-cleaning broadband anti-reflection (AR) coatings.
- Bioinspired moth-eye AR coatings show much better AR performance than quarter-wavelength AR coatings.
- AR gratings with high aspect ratios can be superhydrophobic.
- Langmuir-Blodgett and spin-coating based colloidal self-assemblies are inexpensive and scalable.