Photochemistry and Liquid Crystals

From J. Am. Chem. Soc.:

Photoalignment Layers for Liquid Crystals from the Di-π-methane Rearrangement

http://pubs.acs.org/doi/full/10.1021/ja312090p#

The Swager group has used a clever di-pi-methane rearrangement along a polymer backbone to control liquid crystal alignment.