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Characterization of GP-PGA-Fe3O4-CDs@BPQDs nanoplatform.
Notes: (A) XPS spectrum of the P 2p peaks from the BPQDs; (B) ζ-potential of as-prepared samples from different steps; (C) survey XPS spectrum of GP-PGA-Fe3O4-CDs@BPQDs; (D) Raman scattering spectra of BPQDs and GP-PGA-Fe3O4-CDs@BPQDs.
Abbreviations: XPS, X-ray photoelectron spectroscopy; BPQDs, black phosphorus quantum dots; GP, genipin; PGA, polyglutamic acid; CDs, carbon dots.
