Interface Engineered ZnO/rGO/AuNPs@MoS2 Heterojunction for Enhanced Photoelectrochemical DNA Sensing

Key Points

• Aim to improve DNA detection sensitivity using a novel photoelectrochemical approach.
• Engineered heterojunction made of ZnO, reduced graphene oxide, gold nanoparticles, and MoS2.
• Conducted experiments to compare sensitivity to conventional PCR methods.
• Analyzed photocurrent responses to assess effectiveness.
• Achieved significantly higher sensitivity in DNA detection compared to PCR.
• Demonstrated effective detection in lower concentration samples, below 10⁻² mmol.
• Highlighted improved linearity in response with the new method.