We address a dual-mode amoebic photodetector (OPD) that has a trilayer arresting ablaze absorber/optical spacer/near-infrared (NIR) ablaze cushion configuration. In the attendance of NIR light, photocurrent is produced in the NIR light–absorbing bandage due to the trap-assisted allegation bang at the organic/cathode interface at a about-face bias. In the attendance of arresting light, photocurrent is produced in the arresting light–absorbing layer, enabled by the trap-assisted allegation bang at the anode/organic interface at a advanced bias. A aerial responsivity of >10 A/W is acquired in both abbreviate and continued wavelengths. The dual-mode OPD exhibits an NIR ablaze acknowledgment operated at a about-face bent and a arresting ablaze acknowledgment operated at a advanced bias, with a aerial specific detectivity of ~1013 Jones in both NIR and arresting ablaze ranges. A bias-switchable ashen acknowledgment OPD offers an adorable advantage for applications in ecology abuse detection, bioimaging process, wellness, and aegis ecology in two audible bands.
Organic photodetectors (OPDs) are a able another optical audition technology to accepted asleep
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