Supramolecular Packing Controls H₂ Photocatalysis in Chromophore Amphiphile Hydrogels.

ABSTRACT: Light harvesting supramolecular assemblies are potentially useful structures as components of solar-to-fuel conversion materials. The development of these functional constructs requires an understanding of optimal packing modes for chromophores. We investigated here assembly in water and the photocatalytic function of perylene monoimide chromophore amphiphiles with different alkyl linker lengths separating their hydrophobic core and the hydrophilic carboxylate headgroup. We found that these chromophore amphiphiles (CAs) self-assemble into charged nanostructures of increasing aspect ratio as the linker length is increased. The addition of salt to screen the charged nanostructures induced the formation of hydrogels and led to internal crystallization within some of the nanostructures. For li

SUBMITTER: Weingarten AS 

PROVIDER: S-EPMC4676032 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature