(A) Composition/structure of R848@NPs. Reprinted with permission from Ref. [93]. Copyright 2020, copyright Elsevier. (B) Chemical structures of DSPE-PEG, DPPC, SPII, and R848, and the synthesis of SPNIIR for NIR-II photothermal immunotherapy. Reprinted with permission from Ref. [106]. Copyright 2020, copyright Wiley-VCH. (C) Schematic illustrations for the preparation of AM@DLMSN@CuS/R848. Reprinted with permission from Ref. [108]. Copyright 2020, copyright American Chemical Society. (D) Schematic illustration of the preparation process of RIC NPs@PLEL hydrogels. Reprinted with permission from Ref. [109]. Copyright 2020, copyright Wiley-VCH.