Control of porosity geometry in amino acid derived nanoporous materials.
Substitution of the pillaring ligand in the homochiral open-framework [Ni(2)(L-asp)(2)(bipy)] by extended bipy-type ligands leads to a family of layer-structured, homochiral metal-organic frameworks. The 1D channel topology can be modified by the nature of the organic linker, with shape, cross-section and the chemical functionality tuneable. In addition, the volume of these channels can be increased by up to 36 % compared to the parent [Ni(2)(L-asp)(2)(bipy)]. The linker 1,4-dipyridylbenzene (3rbp) gives access to a new layered homochiral framework [Ni(2)(L-asp)(2)(3rbp)] with channels of a different shape. In specific cases, non-porous analogues with the linker also present as a guest can be activated to give porous materials after sublimation. Their CO(2) uptake shows an increase of up to 30 % with respect to the parent [Ni(2)(L-asp)(2)(bipy)] framework.
Perez Barrio
Jorge
J
Department of Chemistry, University of Liverpool, Liverpool, UK.
Rebilly
Jean-Noël
JN
Carter
Benjamin
B
Bradshaw
Darren
D
Bacsa
John
J
Ganin
Alexey Y
AY
Park
Hyunsoo
H
Trewin
Abbie
A
Vaidhyanathan
Ramanathan
R
Cooper
Andrew I
AI
Warren
John E
JE
Rosseinsky
Matthew J
MJ
D015082:2,2'-Dipyridyl / Q000737:chemistry; D001224:Aspartic Acid / Q000737:chemistry*; D008024:Ligands; D008958:Models, Molecular; D015394:Molecular Structure; D049329:Nanostructures / Q000737:chemistry*; D009532:Nickel / Q000737:chemistry; D009942:Organometallic Compounds / Q000737:chemistry*; D044367:Phase Transition; D016062:Porosity; D033362:Powder Diffraction; D013499:Surface Properties
D008024:Ligands; D009942:Organometallic Compounds; D001224:Aspartic Acid; D015082:2,2'-Dipyridyl; D009532:Nickel