Journal Article attoscale‐noise organic photodiode bifunctional organic photonic conversion devices charge carrier dynamics dark‐current suppression electron blocking layers electron‐blocking layer energetic band switching femtowatt‐scale noise equiv. power indoor photovoltaics interfacial energetic alignment interfacial energetic offset minimalist synthesis multi-component photoactive layer multi-spectrum image sensor organic photodetectors organic photodiode photonics pico‐scale noise equivalent power quantum dot photodiode selective near-infrared detection self-screenable optical window self‐assembled monolayer self‐assembled monolayers short‐wave infrared organic photodetector spatial charge distribution suppressed dark current suppressed electronic noise levels thick organic blocking layer