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. 2017 Apr 10;7(7):1820–1834. doi: 10.7150/thno.18614

Figure 1.

Figure 1

Characterizations of NIR775-doped CN-PPV Pdots. A) Hydrodynamic diameter of the Pdots. The inset shows a representative TEM image. B) Spectral overlap between the emission of CN-PPV and the absorption of NIR775. C) Absorption spectra of NIR Pdots at different NIR775 doping concentrations. D) Fluorescence spectra of NIR Pdots at different NIR775 doping concentrations. E) Room-light and fluorescence images of CN-PPV Pdots and the NIR Pdots under the same excitation but different emission channels using 593 nm and 775 nm band-pass filters, respectively. (F) Fluorescence stability of the NIR Pdots in DMEM medium supplemented with 10% FBS during 45 days storage.