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Development of high‐performance carbon dots (CDs) with emission wavelength longer than 660 nm (deep red emission) is critical in deep‐tissue bioimaging, yet it is still a major challenge to obtain CDs with both narrow full width at half maximum (FWHM) and high deep red/near‐infrared emission yield. Here, deep red emissive carbonized polymer dots (CPDs) with unprecedented FWHM of 20 nm are synthesized...
Near‐infrared‐emissive polymer‐carbon nanodots (PCNDs) are fabricated by a newly developed facile, high‐output strategy. The PCNDs emit at a wavelength of 710 nm with a quantum yield of 26.28%, which is promising for deep biological imaging and luminescent devices. Moreover, the PCNDs possess two‐photon fluorescence; in vivo bioimaging and red‐light‐emitting diodes based on these PCNDs are demonstrated...
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