Fig. 1

Structural and compositional analyses of the PtCo/CdS@GO luminophores. A Low-magnification TEM image of PtCo/CdS@GO luminophores. Scale bar is 50 nm. B High-magnification TEM image of PtCo/CdS@GO luminophores. Scale bar is 20 nm; C HRTEM image and lattice fringes of PtCo/CdS@GO luminophores. Scale bar is 5 nm. D STEM-EDS elemental mapping of PtCo/CdS@GO luminophores. Scale bar is 20 nm