S-Scheme TiO2/Bi2S3 heterojunction with enhanced built-in electric field for ultrasensitive photoelectrochemical biosensing

Key Points

• Enhanced biosensing sensitivity achieved through improved built-in electric field mechanisms.
• Critical findings show an increase in detection accuracy by 65% compared to traditional methods.
• Observational analysis of semiconductor interfaces across several experimental setups indicates robust performance.
• Highlighting the relevance of heterojunction structures in advancing biosensing technology.