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Prof. Geoffrey J. Ashwell, Dr. Laurie J. Phillips, Dr. Benjamin J. Robinson, Susan A. Barnes, Aled T. Williams, Dr. Barbara Urasinska-Wojcik, Prof. Colin J. Lambert, Dr. Iain M. Grace, Dr. Timothy I. Cox and Dr. Ian C. Sage Synthesis of Covalently Linked Molecular Bridges between Silicon Electrodes in CMOS-Based Arrays of Vertical Si/SiO2/Si Nanogaps Angewandte Chemie International Edition 50

Article first published online: 26 JUL 2011 | DOI: 10.1002/anie.201102791

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Silicon nanogaps were bridged in situ by grafting 4-ethynylbenzaldehyde to activate the electrodes and coupling 2,6-diaminoanthra-9,10-quinone to link the coatings. The bridged structures exhibit currents of 11–14 nA at 1 V. The process is reversed by soaking in acidified solution, which causes the current to diminish.

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