PeakForce Scanning Electrochemical Microscopy with Nanoelectrode Probes

Abstract

This article describes new batch-fabricated, robust, and easyto-use scanning electrochemical microscopy (SECM) nanoelectrode probes with a characteristic dimension of about 50 nm. The resulting microscopy method, PeakForce SECM, provides electrochemical images with sub-100-nm resolution, as well as simultaneously acquired topographical, electrical, and mechanical maps on the nanometerscale. Using Bruker's existing high-bandwidth electronics, PeakForce SECM also provides the capability for high-quality nanoelectrical imaging in liquid. This article describes several applications of this new PeakForce SECM capability that enable various types of multidisciplinary research.