Plasmon Coupled Colloidal Gold Nanorods for Near‐Infrared and Short‐Wave‐Infrared Broadband Photodetection

Solution‐processed plasmonic colloidal gold nanorods (Au NRs) are promising candidates leading to new photodetection applications. While plasmonic Au NRs of a specific dimension will lead to a well‐defined optical extinction due to the localized surface plasmon resonance, in photodetection applications broadband functioning is often desired. In this work, a broadband optical extinction is achieved from λ = 400 to 2000 nm by coupling colloidal Au...