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. 2023 Mar 16;3(2):20220011. doi: 10.1002/EXP.20220011

FIGURE 4.

FIGURE 4

Organic fluorophores for NIR‐II imaging. (A) Design principles for organic NIR‐II fluorescent dyes. Reproduced with permission.[ 51 ] Copyright 2020, American Chemical Society. (B) Chemical structure of D‐A‐D dyes with NIR‐II luminescence. Reproduced with permission.[ 106 , 107 , 108 , 111 , 112 ] Copyright 2015, Springer Nature (CH1055); Copyright 2016 Royal Society of Chemistry (Q4); Copyright 2017, Royal Society of Chemistry (H1 and H3); Copyright 2017 Springer Nature (CH‐4T); Copyright 2018 American Chemical Society (IR‐E1 AND IR‐FTAP). (C) Chemical structure of polymethylene dyes with NIR‐II luminescence. Reproduced with permission.[ 52 , 122 , 123 , 124 , 125 , 128 ] Copyright 2013, American Chemical Society (IRBTP‐B and IR1048‐MZ); Copyright 2017, John Wiley & Sons (Flav7 and IR‐26); Copyright 2018, American Chemical Society (5H5); Copyright 2019, John Wiley & Sons (CX‐3); Copyright 2018, John Wiley & Sons (FD‐1080); Copyright 2013, John Wiley & Sons (IR1061 and BTC1070). (D) Molecular design strategies for AIEs with NIR‐II luminescence and Jablonski diagrams of TICT. Reproduced with permission.[ 59 ] Copyright 2021, Royal Society of Chemistry. (E) Structure, size, and imaging of 2TT‐o C26B NP. Reproduced with permission.[ 101 ] Copyright 2020, Springer Nature.