Ultrasensitive “on-off-on” photoelectrochemical aptasensor for tumor biomarker using BiOI/α-Fe2O3 p-n heterojunction arrays by in-situ regulation of electron donor distance

• DOI: 10.1016/j.snb.2022.132933
• Publication Date: 2022-11-01T07:06:19Z
• Authors: Fang-Fang Xin; Yadong Xue; Ben-Fang Xu; Ai-Jun Wang; Pei Song; Li-Ping Mei; Jiu-Ju Feng
• Keywords: Aptamer; Carcinoembryonic antigen; Linear range; Nanosheet; Photocurrent