Portable self-powered photoelectrochemical immunosensor based on Cu 3 SnS 4 nanoflower for ultra-sensitive and real-time detection of human cytochrome c

A self-powered photoelectrochemical immunosensor based on a Cu 3 SnS 4 nanoflower is constructed, and a real-time monitoring platform using smartphones is designed, enabling ultra-sensitive portable real-time detection of Human cytochrome c .