Abstract
A highly sensitive and selective sunlight-driven photoelectrochemical sensor for the direct detection and reduction of chromium(VI) was developed based on single crystal rutile titanium dioxide nanorods decorated with gold nanoparticles. Under sun simulator illumination via the amperometric technique, these Au decorated TiO2 photoelectrodes exhibited the highest sensitivity (13.94μAμM−1) ever reported among Au-based electrodes for Cr(VI) detection, with a very low detection limit (S/N=3) of 0.006μM and wide linear concentration range from 0.01μM to 50μM. Measurements in real water samples such as laboratory and river water also showed excellent anti-interference and recovery capabilities.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
