Supramolecular functionalization of electron-beam generated nanostructures.
Electron-beam lithography was used to pattern poly(styrene-co-(methyldiaminotriazine) styrene) (PS-Triaz). These polymer nanopatterns were utilized as molecular scaffolds for assembling complementary thymine-functionalized CdSe-ZnS quantum dots (Thy-QDs) via three-point hydrogen-bonding molecular recognition. This interaction was very specific, with N-methyl thymine-functionalized QDs (MeThy-QDs) not depositing on the surfaces. The "lock and key" specificity of the assembly is mirrored in the disassembly process, where complete removal of the QD was observed using a competing thymine guest.
Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, USA.
Chandramouleeswaran
C
Subramani
Stefan
S
Dickert
Yi-Cheun
YC
Yeh
Mark T
MT
Tuominen
Vincent M
VM
Rotello