A self-powered photoelectrochemical aptasensor based on dual-photoelectrode photofuel cell for chloramphenicol detection

Recent advances in photoelectrochemical platforms based on porous materials for environmental pollutant detection

“…189,190 For instance, Zhang et al developed a dual-photoelectrode for detecting chloramphenicol, employing Au NPs doping porous three-dimensional g-C 3 N 4 and porous N-doped Cu 2 O/C used as the photoanode and photocathode, respectively. 173 The small-scale Au NPs were uniformly distributed across the 3D CN nanosheets. The photocurrent of Au-doped 3D CN was much higher than that of bulk g-C 3 N 4 , and it also had the smallest electron transfer resistance.…”

Dual Engine Boosts Organic Photoelectrochemical Transistor for Enhanced Modulation and Bioanalysis

“…For example, Yan et al employed WO 3 @CdS photoanode and Co-CuInS 2 photocathode for the analysis of carcinoembryonic antigen . Tang et al constructed g-C 3 N4 photoanode and N-doped Cu 2 O@C photocathode sensor for the detection of chloramphenicol . Inspired by these studies, we expected that proper engineering of the OPECT configuration with dual-photoelectrodes could enable novel OPECT operation and application.…”

An ultrasensitive photo-driven self-powered aptasensor for microcystin-RR assay based on ZnIn2S4/Ti3C2 MXenes integrated with a matching capacitor for multiple signal amplification

“…21 Hence, the use of the heterojunction of Ti 3 C 2 /ZnIn 2 S 4 in this work can be an effective and logical strategy in the field of photo-driven self-powered sensing. On the other hand, considering the energy band position and matched Fermi level for the photoanode and photocathode, Cu 2 O (a band gap of ∼2.17 eV), 9,22 a representative p-type semiconductor, is considered as a good choice of photocathode in this work.…”

“…Self-powered aptasensing is fast-developing, promising and innovative detection technology with excellent anti-interference capacity. 9 Due to its simple equipment, no need for traditional batteries or external power sources, high sensitivity, and rapid response, it has gradually attracted attention in the fields of food safety detection and environmental monitoring. 10 Further, a photo-driven self-powered aptasensor mainly collects sunlight energy and converts it to electrical energy, a process that relies on the synergistic effect of photoanode catalytic oxidation and cathode reduction reactions to achieve the self-supply of sensing electricity.…”