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Spectrally selective narrowband photodetection is critical for near‐infrared (NIR) imaging applications, such as for communicationand night‐vision utilities. It is a long‐standing challenge for detectors based on silicon, to achieve narrowband photodetection without integrating any optical filters. Here, this work demonstrates a NIR nanograting Si/organic (PBDBT‐DTBT:BTP‐4F) heterojunction photodetector...
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