Low-voltage, long-term stable organic heterojunction transistors with a broadband bidirectional photoresponse for in-sensor vision computing

An organic heterojunction transistor with a HfO 2 /SiO 2 dielectric enables <5 V operation with a broadband bidirectional photoresponse (530–1050 nm). It retains >80% responsivity after 70 days and supports linear, gate-tunable in-sensor computing.