Center f or electron transport in molecular nanostructures Columbia - - PDF document

Center f or electron transport in molecular nanostructures

Managing Director: James Yardley Scientif ic Directors: Ronald Breslow, Horst Stormer

Columbia University in the City of New York

in the City of New York

Columbia Columbia Nanocenter Nanocenter team. team.

Columbia University

David Adams Ronald Breslow Louis Brus George Flynn Richard Friesner Tony Heinz Irving Herman Thomas J. Katz Philip Kim Ann McDermott Colin Nuckolls Stephen O’Brien Aron Pinczuk Horst Stormer Yasutomo Uemura James Yardley Daniel Akins Ramona Brown Christian Kloc Robert Willett Linda Doerrer Robert Krchnavek

• T. J. Watson Lab.

Phaedon Avouris Cherie Kagan Norton Lang Richard Martel Discipline: Chemistry. Physics/Engineering. Education.

Molecular nanost ruct ures Molecular nanost ruct ures

Three major thrust areas

Transport in carbon nanot ubes Transport in carbon nanot ubes Transport in single molecules Transport in single molecules

. . . . . .

Underst anding and cont rolling π

• t o-πint eract ions

New Materials—Novel Properties

• Elect rical: swit ches and wires
• I nt erconnect ions
• Polar: energy conversion

Design and Synthesis of π

• stacking motif s
• Direct ional assembly
• Pat t erns on molecular scale
• I solat ed nanost ruct ures

3 molecules wide

Underst anding and cont rolling Assembly in SAMs Nanoelectronics

• scanned probe elect ronics
• molecular elect ronics
• single molecule t ransist ors

–1 V, 50 pA, 30 nm/ sec 14 x 13 nm

50 nm

Design and Synthesis

• upright conf ormat ion
• variet y of f unct ional groups
• self -assembly on monolayers

S O C12H25O N O N O S O C12H25O N O N O S O OC12H25 C12H25O H H H