title: Patterning NHS-terminated SAMs on germanium.
abstract: Here we report a simple, robust approach to patterning functional SAMs on germanium. The protocol relies on catalytic soft-lithographic pattern transfer from an elastomeric stamp bearing pendant immobilized sulfonic acid moieties to an NHS-functionalized bilayer molecular system comprising a primary ordered alkyl monolayer and a reactive ester secondary overlayer. The catalytic polyurethane-acrylate stamp was used to form micrometer-scale features of chemically distinct SAMs on germanium. The methodology represents the first example of patterned SAMs on germanium, a semiconductor material.
authors.affiliation: Department of Chemistry, Duke University, Durham, North Carolina 27708, United States.
authors.forename: Carleen J
authors.initials: CJ
authors.lastname: Morris
authors.forename: Alexander A
authors.initials: AA
authors.lastname: Shestopalov
authors.forename: Brian H
authors.initials: BH
authors.lastname: Gold
authors.forename: Robert L
authors.initials: RL
authors.lastname: Clark
authors.forename: Eric J
authors.initials: EJ
authors.lastname: Toone
mesh_terms: D000179:Acrylates / Q000737:chemistry; D002384:Catalysis; D005857:Germanium / Q000737:chemistry*; D011140:Polyurethanes / Q000737:chemistry; D013388:Succinimides / Q000737:chemistry*; D013499:Surface Properties
chemical_list: D000179:Acrylates; D011140:Polyurethanes; D013388:Succinimides; D005857:Germanium; C036658:acrylic acid; C001426:N-hydroxysuccinimide