Nature Study Grows PbS Infrared Detector Film Directly on CMOS Readout

A Nature paper published online Oct. 28 describes room-temperature aqueous growth of lead-sulfide detector material directly on readout integrated circuits. The researchers fabricated a 640 x 512-pixel focal-plane array and reported infrared imaging, plus a proof-of-concept extension to PbSe. This is a research demonstration; the paper does not establish commercial wafer yield, lifetime or production cost.

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Why it matters

Analysis: Direct detector-on-readout growth could remove a separate bonding step in some infrared architectures. Uniformity, pixel defects, packaging and long-term stability remain essential gates before a manufacturing comparison is justified.

Original source

Original source: Nature research article, published Oct. 28, DOI 10.1038/s41586-026-11222-y. Device and array claims are laboratory results.