Facile <i>in situ</i> synthesis of core–shell MOF@Ag nanoparticle composites on screen-printed electrodes for ultrasensitive SERS detection of polycyclic aromatic hydrocarbons

Abstract

An HKUST-1@Ag-based SERS chip is fabricated by an <italic>in situ</italic> electrodeposition method and used for on-site detection of PAHs in environmental samples.