Journal
CHEMICAL COMMUNICATIONS
Volume 59, Issue 9, Pages 1185-1188Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc05683f
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A novel near-infrared self-powered photoelectrochemical platform was constructed using nonmetallic plasmon Ti3C2 MXene and sulphur vacancy engineered Bi2S3. The continuous photoelectron injection from Bi2S3 to Ti3C2 MXene induced a stable SPR effect and high photoelectric conversion efficiency, enabling the development of high-performance NIR self-powered biosensors. As a proof of concept, a sensitive NIR self-powered sensor was constructed using Microcystin-RR as a model analyte.
Herein, a novel near-infrared (NIR) self-powered photoelectrochemical platform was constructed based on nonmetallic plasmon Ti3C2 MXene coupled with sulphur vacancy engineered Bi2S3. The continuous photoelectron injection from Bi2S3 to Ti3C2 MXene induced a stable SPR effect and high photoelectric conversion efficiency, which is beneficial for developing high-performance NIR self-powered biosensors. As a proof of concept, a sensitive NIR self-powered sensor was constructed by conjunction with an aptamer using Microcystin-RR as a model analyte, which is one of the most common and toxic hepatotoxins released by cyanobacteria.
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