An Ester‐Substituted Semiconducting Polymer with Efficient Nonradiative Decay Enhances NIR‐II Photoacoustic Performance for Monitoring of Tumor Growth

Photoacoustic agents have been of vital importance for improving the imaging contrast and reliability against self‐interference from endogenous substances. Herein, we synthesized a series of thiadiazoloquinoxaline (TQ)‐based semiconducting polymers (SPs) with a broad absorption covering from NIR‐I t...

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